Qualification Testing Standards - AEDON · UPD 10.02.17 Page 1 of 19. AEDON LLC. All rights ... [email protected] eng.aedon.ru Qualification Testing Standards Product platform MDV, MDR,

UPD 10.02.17

Page 1 of 19.

AEDON LLC. All rights reserved. �Тel:�+7�473�200-87-80 [email protected] eng.aedon.ru

QualificationTesting StandardsProduct platform MDV, MDR, MDN Families

UPD 10.02.17

Page 2 of 19.


Environmental�Qualification�Testing�StandardsProduct platform MDV, MDR, MDN Families

Table�of�contents1. Testing ........................................................................................................................................................................................................................................................31.1.� Qualification�testing�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�4

1.2.� Periodical�testing�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�4

1.3.� Acceptance�tests�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Control of compliance to the requirements of the design ..........................................................................................................................................................................42.1.� External�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.2.� Durability�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.3.� Solderability�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.4.�� Heat�resistance�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.5.� Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3. Control of compliance to electric parameters and electric operating modes ...........................................................................................................................................63.1.� Isolation�voltage�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�7

3.2.� Isolation�resistance�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�7

3.3.� Output�voltage�setup�...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�7

3.4.� Output�voltage�ripple�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�8

3.5.� Set�output�voltage�deviation�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�8

3.6.� Transient�deviation�of�output�voltage�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.7.�� Total�output�regulation�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�9

3.8.� Overload�protection�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�9

3.9.� Output�overvoltage�protection�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

3.10.� No�load�operation�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.11.� Current�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.12.� Power�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.13.� Efficiency�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.14.� Remote�power�off�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.15.� Parallel�operation�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�10

3.16.� Output�voltage�setup�...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�11

4. Control of compliance to the requirements of environmental stability ..................................................................................................................................................114.1.� Vibration�resistance�and�strength�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.2.� Shock�resistance�and�strength�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.3.� Single�impacts�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�12

4.4.� High�ambient�temperature�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�12

4.5.� Low�ambient�temperature�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�13

4.6.� Rapid�ambient�temperature�change�...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

4.7.�� High�humidity�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�13

4.8.� Low�atmospheric�pressure�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

4.9.� High�atmospheric�pressure�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

4.10.� Radio�interference�voltage�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

4.11.� Precipitation�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .�14

4.12.� Salt�fog�(marine)�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

4.13.� Static�dust�(sand)�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

5. Reliability compliance control .................................................................................................................................................................................................................16

6. Testing and control of DC/DC converters in production .............................................................................................................................................................................176.1.� Control�of�surface�mounting�by�automatic�optical�inspection�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6.2.� QCD�inspection�of�soldered�joints�quality�of�air�and�surface�mounting�by�automatic�optical�inspection�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6.3.� Control�of�electric�parameters�during�production�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6.4.� QCD�inspection�of�product�assembly�accuracy�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6.5.� Isolation�resistance�check�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6.6.� Operation�test�of�products�at�the�lowest�temperature�of�the�operating�temperature�range�...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6.7.� Long-term�testing�of�powered-on�units�at�the�highest�operating�temperature�measured�on�the�product’s�case�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6.8.�� Isolation�resistance�test�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6.9.� Electric�parameters�verification�by�factory�QCD�...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6.10.� External�inspection�of�the�product,�accompanying�documents�set�and�accuracy�of�packing�..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

UPD 10.02.17

Page�3�of�19.



Qualificatio

n

Perio

dica

l

Acce

ptan

ce

Check�of�appearance,�legibility�and�content�of�labeling + + +

Durability�test�of�marking + + +

Control�of�overall�dimensions,�setting�and�mounting�dimensions + + +

Control�of�electrical�insulation�resistance + + +

Control�of�stable�output�voltage�deviation + + +

Control�total�regulation:��—�output�voltage�regulation�with�smooth�alteration�of�input�voltage�and�output�current�(HU+HI);��—�thermal�instability�of�output�voltage;��—�temporal�instability�of�output�voltage

+ + +

Control�of�output�voltage�ripple + + +

Control�of�overvoltage,�overcurrent�and�short-circuit�protection. + + +

Control�of�manual�adjustment�limits. + + +

Remote�power-on�control.� + + +

Check�of�voltage�of�no�load�operation + + +

Functional�testing�of�parallel�operation + + +

Short-term�operational�reliability�testing + +

Vibration�strength�test�(short-term) + +

Vibration�resistance�test + +

Shock�strength�test + +

Shock�resistance�test + +

Single�impact�test +

Ambient�temperature�change�impact�test�(Temperature�Cycling�Test) + +

High�ambient�temperature�operation�test + +

Low�ambient�temperature�operation�test + +

High�humidity�test�(accelerated) + +

Weight�control + +

Marking�resistance�to�cleaning�solvents + +

Solderability�test�of�pins�and�terminal�blocks + +

Heat�resistance�during�soldering + +

Durability�test�of�output�pins�and�connection�of�external�pins�with�conducting�elements + +

Isolation�voltage�control + +

Control�of�output�voltage�transient�deviation + +

Control�of�output�voltage�setup�time + +

Total�regulation�control + +

Control�of�current�consumed�from�the�mains�at�power-on. + +

Control�of�full�consumed�power. + +

Efficiency�control + +

Control�of�output�overvoltage�protection + +

Failure-free�operation�test�(long-term) +

Control�of�packing�overall�dimensions� +

Packing�durability�control� +

Salt�(sea)�fog�testing +

Atmospheric�сondensed�precipitation�(frost,�dew)�test. +

Static�dust�(sand)�testing +

High�humidity�test�(long-term) +

Marking�test�for�legibility�and�durability�during�transportation,�operation�and�storage +

Test�for�critical�frequency�absence�check +

Control�of�industrial�radiointerference�level +

Testing�of�basic�design�and�technological�safety�margins +

All�specifications�valid�for�normal�climatic�conditions�(ambient�temp.�15...35°C;�relative�humidity�45…80%;�air�pressure�

8,6*104…10,6*104�Pa),�Uin.�nom,�Iout.�nom,�unless�otherwise�stated.

1. List of tests

UPD 10.02.17

Page�4�of�19.



1.1. Qualification testing

Testing�of�products�for�compliance�to�the�Specifications�carried�at�implementation�into�production�to�estimate�the�

readiness�of�the�factory�and�products�for�manufacturing.

1.2. Periodical testing

Control�testing�of�product�samples�for�compliance�to�the�Specifications�with�the�purpose�of�periodical�performance�

consistency�check,�compliance� to�Specifications�and�possibility�of� further�production.�Units�passed�acceptance�

tests are used for testing.

Frequency�of�periodical�testing�—�once�per�year.

1.3. Acceptance tests

Control�tests�of�manufactured�products�for�compliance�to�the�Specifications,�results�of�which��are�used�to�make�

decision�of�usability�for�delivery�and/or�application.��After�storing�modules�on�stock�over�6�months�they�must�be�

verified�prior�to�shipment�to�the�consumer�in�the�amount�necessary�for�acceptance�tests.

2.�Control�of�compliance�to�the�requirements�of�design��

2.1. External

External�inspection�is�used�to�check�quality�and�integrity�of�coatings,�structural�integrity,�fastening�places,�as�well�

as�the�absence�of�dents,�cracks,�and�traces�of�corrosion�on�the�outer�surfaces.

Applied�standard GOST�20.57.406�method�405-1

2.2. Durability

Durability�of�output�pins�is�checked�by�applying�stretching�force��directed�along�axis�of�the�pin�with�the�help�of�

weight�and�a�clamping��device.�

Stretching�force�is�applied�at�the�distance�of�max�4�mm�from�the�end�of�each�pin�for�(10±1)�sec.�

Diameter of pins, mm Force, N0,8 10

1,0 20

1,5 40

Control of testing allowable�deviation�of�values�—�max�±10%


2.3. Solderability

Solderability�of�output�pins�is�controlled�using�soldering�iron�and�braze�POS�61.

First� product� undergoes� artificial� aging:� the�product� is� exposed� to� constant� extreme�humidity� for� 10�days� at�

temperature�of�(40±2)°C�and�relative�humidity�(93±3)%.�The�temperature�of�the�soldering�tip�must�be�(350±10)°C.�

Exposure�time�—�5�ses.�Number�of�pins�under�test�—�three.

It�is�allowed�to�have�defects�(pores,�cavities)�not�concentrated�in�one�place.�Stretching�force�is�applied�at�distance�

of�4�mm�max�from�the�end�of�each�output�pin�for�(10±1)�sec.

Control of testing Magnifier�x4–10


External product inspection.

UPD 10.02.17

Page�5�of�19.



2.4. Heat resistance

Heat�resistance�during�soldering�is�controlled�using�soldering�iron�and�braze�POS�61.

The�temperature�of�the�soldering�tip�must�be�(350±10)°C.�Exposure�time�—�5�sec.�Number�of�pins�under�test�—�

three.�Re-soldering�test�is�allowed�not�to�hold�if�during�other�tests�the�pins�are�re-soldered�at�least�three�times�

for�measuring�electric�parameters.

Control of testing Magnifier�x4–10


2.5 Weight

Weight�is�controlled�by�weighing�on�scales.

Control of testing allowable�error�max�±5%


UPD 10.02.17

Page�6�of�19.



3.�Control�of�compliance�to�electric�parameters�and�electric�operating�modes

Control�of�electric�parameters�before�and�after�testing�at�normal�climatic�conditions.

Layout 1.�Parameters�measurement�of�single-channel�power�supply�units.

С2,�С6 Ceramic�or�polymer�film�capacitor�(depends�on�the�nominal�value�of�the�mains�and�power�of�the�converter)�is�described�in�the�Specifications.

С1 Tantalum�or�electrolytic�capacitor�(depends�on�the�nominal�value�of�the�mains�and�power�of�the�converter)�is�described�in�the�Specifications.

С3,�С5 Ceramic�capacitor�3300�pF,�3�kW

С4 Tantalum�capacitor�(depends�on�the�value�of�the�output�voltage�and�power�of�the�converters)�is�described�in�the�Specifications.

L1 Choke�0.5�mH�for�low-voltage�networks,�5�mH�for�high�voltage

R4 Resistor�0.25–47�Ohm

R5 Resistor�0.25–470�Ohms

S1,�S3,�S5...S7 Toggle�switch�or�circuit�breaker

S2 Button

S4 Switch

S8 Switch

VD1,�VD2 Diode

Electronic equipment adjuster’s workplace. Control room of electric parameters.

UPD 10.02.17

Page 7 of 19.



3.1. Isolation voltage

Isolation�voltage�of�the�units�is�checked�by�universal�breakdown�tester�UPU-10M�or�its�equivalent�within�1�minute�

under�50�Hz�test�voltage.

Input-case,�input-output�nominal�input�voltage�A,�B,�V,�D,�E,�W 500�VDC

Input-case,�input-output�nominal�input�voltage�N,�M 1500�VDC

Output-Case,�Output-Output� 500

For power supply units the tester is connected between points “1” and “2”, “1” and “3”, “2” and “3” (Figure 1), where:

— point “1” - connected pins “+IN”, “-IN” and “ON”;

— point “2” - “CASE” pin connected with the base or flange of the case;

— point “3” - pins of all channels connected between each other, “ADJ”, “PARAL”, “-RS”, “+RS”.


Applied�standard GOST�12997

3.2. Isolation resistance

Isolation�electric�resistance�of�units�is�checked�by�test�500VDC�voltage.

For power supply units the tester is connected between points “1” and “2”, “1” and “3”, “1” and “4”, “1” and “5”, “2”

and “3”, “2” and “4”, “2” and “5”, “3” and “4”, “3” and “5”, “4” and “5”, where:

— point “1” - connected pins “+IN”, “-IN” and “ON”;

— point “2” - “CASE” pin connected with the base or flange of the case;

— point “3” - pins “+OUT” and “-OUT” of the first channel, “ADJ”, “PARAL”, “-RS”, “+RS” connected between each other;

— point “4” - pins “+OUT2” and “-OUT2” of the second channel connected between each other;

— point “5” - pins “+OUT3” and “-OUT3” of the third channel connected between each other;

The�readings�are�registered�every�1�minute�after�supplying�the�measuring�voltage�or�less�time�if��the�isolation�

voltage�does�not�change.�

Consider the following test modules, if the insulation resistance iswithin�normal�climatic�conditions at least 20 MOhm

at�high�(low)�operating�temperature at�least�5�MOhm

at�high�humidity at least 1 MOhm


Applied�standard GOST�12997

3.3. Output voltage setup

Output�voltage�set-up�time�of�power�supply�units�is�checked�within�normal�climatic�conditions�at�nominal�input�

voltage�and�max�output�current�of�single-channel�units�and�all�channels�of�multi-channel�units.�Output�voltage�

set-up�time�is�defined�as�a�period�of�time�between�supply�of�control�signal�to�“ON”�pin�and�time�when�output�

voltage�reaches�the�nominal�value�with�account�for�the�total�regulation.

The�units�are�considered�as�accepted�is�the�set-up�time�of�the�output�voltage�of�the�first�channel�after�supply�of�

the�control�signal�to�“ON”�pin�is�under�0.1�sec.

Resistance and isolation voltage tester.

UPD 10.02.17

Page�8�of�19.



3.4. Output voltage ripple

Output�voltage�ripple�of�power�supply�units�is�checked�within�normal�climatic�conditions�at�min�value�of��input�

voltage�and�max�output�current�of�single-channel�units,�and�all�channels�of�multi-channel�units.

For�measuring�output�voltage�ripple�(to�reduce�pickups),�please�use�the�device�shown�in�the�layout�2.

Output

100

R130 cm

C1Input

Layout 2. Device�for�measuring�output�voltage�ripple.

R1 Resistor�100�Ohm

С1 Capacitor�type�1206�X7R�100�V�2.2�µF

3.5. Steady-state deviations of output voltage

Steady-state�output�voltage�deviations�ΔUste,�%,�is�verified�under�normal�climatic�conditions�at�nominal��input�

voltage�and�max�output�current�of�single-channel�units,�and�all�channels�of�multiple-channel�units.

ΔUste=(Uout-Unom)/Unom•100,

where Unom is nominal voltage, V;

Uout is output voltage art max output current, V.

3.6. Transient deviations of output voltage

During�output�voltage�transient�deviation�test�of�power�supply�units�δUtrans,�%,�the�changes�of�output�voltage�are�

registered�for�each�channel�after�impact�of�a�factor�(transient�deviation�of�input�voltage,�step�change�of�output�

current)�and�calculation�of�transient�deviation�by�the�followings�formula:

δUtran = [(Umax(min) – U)/ U]• 100, (7.8)

where Umax. (min.) is the max (min) value of output voltage during impact of a given factor, V;

U — is the value of output voltage prior to the impact of a given factor, V.

Diagram�3�shows�the�nature�of�output�voltage�change�of�power�supply�units�when�powered-on.

Layout 3. Parameters measurement of single-channel power supply units.

НΣ <±4%

Uout.�() Output�voltage

t set <0.1�sec

1 Oscillating�process

2 Aperiodic�process

Ripple measurement, MDR series.

UPD 10.02.17

Page 9 of 19.



Electronic equipment adjuster’s workplace.

Diagram�4� shows� the� nature� of� output� voltage� change� exposed� to� transient� input� voltage� deviation� (or� step�

change�of�output�current).

Layout 4. Change�nature�of�output�voltage�when.

a) exposed to the input voltage transient deviation;

b) step change of input voltage.

3.7. Total output regulation

Total�regulation�of�power�supply�units�HΣ,�%,�is�verified�by�summing�up�separate�values�of�partial�positive�and�

negative�regulation�by�the�following�formula:

HΣ = НU + HI + HT+ Нt , (7.9)

where HU is output voltage regulation with gradual change of input voltage, %; HI is output voltage regulation

with gradual change of output current,%;

HT - thermal instability,%;

Нt – time instability, %.

3.8. Overload protection

Overcurrent�and�short-circuit�protection�are�verified�under�normal�climatic�conditions�with�min�input�voltage�and�

max�output�current�of�single-channel�units,�and�all�channels�of�multichannel�units.

Output�pins�of�channels�are�closed�one�by�one�for�8±2�seconds.�After�opening�output�pins�the�value�of�output�

voltage�is�checked.

To�check�overcurrent�protection,�one�by�one�(for�multichannel�units)�and�smoothly�increase�the�load�current�of�the�

channel�under�test�(with�max�load�of�all�other�channels),�control�the�actuation�of�overcurrent�protection�(decrease�

of�output�voltage�of�the�channel�under�test�that�increases�nominal�value�with�account�to�the�total�regulation).

UPD 10.02.17

Page 10 of 19.



3.9. Output overvoltage protection

Overvoltage�protection�of�the�first�channel�is�verified�under�normal�climatic�conditions�with�nominal�input�voltage�

and�min�output�current�of�single-channel�units,�and�all�channels�of�multichannel�units.

The�output�of�unit’s�first�channel�is�exposed�to�the�voltage�exceeding�the�nominal�1.5�times�from�an�additional�

power�supply.�Current�consumption�should�reduce�down�to�200mA�and�less.

3.10. No load operation

No�load�operation�of�units�is�checked�with�max�input�voltage.�The�unit�is�put�into�no�load�operation�mode�and�the�

output�voltage�of�each�channel�is�measured�(for�multi-channel�units).

3.11. Current

The�current�consumed�from�the�mains�at�the�time�of�power�on�of�power�supply�unit�is�checked�with�max�input�

voltage� and�max� output� current� for� single-channel� units,� and� all� channels� of�multi-channel� units.� Consumed�

current�is�checked�by�measuring�resistance�Rchan,�value�of�which�must�be�less�that�the�input�resistance�of�the�unit.

The�alteration�of�voltage�is�registered�at�resistance�Rchan,�Ohm,�at�the�time�of�unit�power�on�by�supplying�control�

signal�to�“ON”�pin,�then�the�max�value�Umax,�V,�is�defined,�and�the�value�of�at�the�time�of�power�on�Ip.on,�A,�is�

calculated�using�the�following�formula:

Ip.on=Umax / Rchan

3.12. Power

Full� power� consumption�of� power� supply�units� is� checked�with�nominal� input� input�voltage� and�max�output�

current�of�single-channel�units,�and�all�channels�of�multichannel�units.��Value�of�full�power�consumption�P,�W,�is�

determined�by�the�following�formula:

P=U•I,

where U is the value of the input voltage, V;

I is the value of the input current, A.

3.13. Efficiency

Efficiency�of� the�power�supply�units� is�verified�with�nominal� input�voltage�and�max�output�current�of� single-

channel�units,�and�all�channels�of�multi-channel�units.�Full�power�consumption�P,�W,�and�total�(for�multi-channel�

units)�output�power�Pout,�W�are�defined.�The�value�of�efficiency�is�determined�by�the�following�formula:

ƞ=Pout/P

3.14. Remote power off

Remote�power�off�is�of�the�power�supply�units�is�verified�with�nominal�input�voltage�and�max�output�current�of�

single-channel�units,�and�all�channels�of�multi-channel�units.

3.15. Parallel operation

Parallel�operation�of�power�supply�unit�verified�at�nominal� input�voltage�by�control�of�voltage�of� the�parallel�

operation�pin�and�alteration�of�the�output�voltage�when�supplying�voltage�to�the��parallel�operation�pin�from�an�

external�power�supply.�

Set�toggle�switches�S1,�S5�to�“ON”.�Set�toggle�switch�S6�to�position�“1”�and�using�resistors�R1,�R2,�set�the�max�

output�current�of�the�unit.�The�voltage�at�the�“PARAL”�output�pin�should�be�(2.0�±�0.2)VDC.

Set� the� load� current� to� 0.5•(Inmax+Inmin).� � Set� the� output� voltage� at� the� output� pin� of� the� adjusted� power�

supply�G3�to�0�VDC.�Set�the�toggle�switch�S4�to�“ON”.�Smoothly�increase�the�voltage�at�G3�power�supply�up�to�

(2.0�±�0.2)�VDC;�make�sure�that�the�output�voltage�increases�not�less�than�5%.

UPD 10.02.17

Page 11 of 19.



3.16. Output voltage setup

Verification�of� the� limits� of�manual� output�voltage� setup�of� power� supply�units.�The� limits� of�manual� output�

voltage� setup� is�verified�with�max�output� current,�min� and�max� set�values�of� output�voltage�by� rotating� the�

resistor�rotor�connected�between�pins�“ADJ”�and�“-OUT”�(to�increase)�or�“ADJ”�and�“+OUT”�(to�reduce)�output�

voltage.�Nominal�of�the�resistor�is�indicated�in�the�unit’s�technical�passport.

Adjustment�range�ΔUadj,�%,�is�determined�with�the�account�of�the�sign�according�to�the�following�formula:

ΔUadj = (Umax(min)–Un)/Un•100

where Umax. is the upper limit of output voltage setup; Umin. is the lower limit of the output voltage setup;

Un is the nominal output voltage, VDC.

4.�Control�of�compliance�to�the�requirements of�environmental�stabilityNumber�of�tested�units:�2�pcs�of�each�size

4.1. Vibration resistance and strength

Testing� for�vibration� resistance�and� strength�of�units� exposed� to� sinusoidal�vibration.�The�units� are� tested� in�

powered-on� condition� with� nominal� input� voltage� and� min� output� current� of� single-channel� units,� and� all�

channels�of�multi-channel�units�with�vibratory�acceleration�of�20g,�transition�frequency�50�Hz�for�each�of�three�

mutually�perpendicular�directions�of�axes.

Before�and�after�the�testing�external�inspection�must�be�done.�During�testing�the�output�voltage�and�its�ripple�

are�controlled.�Duration�of�sinusoidal�vibration�exposure�in�each�subrange�of�frequencies�must�be�at�least�two�

minutes.�It�is�allowed�to�combine�these�tests�with�vibration�strength�tests.�Testing�by�smooth�change�of�frequency.

Tests�are�carried�out�at�vibration�impact�in�three�mutually�perpendicular�directions�in�relation�to�the�product.��The�

total�duration�of�exposure�of�three�axes�should�be�6�hours�with�short-term�testing�and�24�hours�with�long-term�

testing.

Frequency�range 10–2000�Hz

Vibration�displacement�amplitude 0.3�mm

Transition�frequency 50�Hz

Acceleration�amplitude 200�m/sec2�(20�g)

Rate�of�change 1–2�octave�per�minute

Test�duration 10�hours�(6�hours�and�24�hours�are�specified,�10�hours�of�no-failure�operation)

Applied�standard GOST�20.57.416,�methods�102-1,�103-1.1.�Compliance�to�MIL-STD-810G,�method�514.6

4.2. Shock resistance and strength

Shock�resistance�and�strength�of�units�is�checked�at�nominal�input�voltage�and�max�output�current�of�single-channel�

units,�and�all�channels�of�multi-channel�units.

Units�are�exposed�to�shocks�in�each�of�three�mutually�perpendicular�directions.�Testing�for�shock�strength�needs�the�

total�number�of�strokes�of�1000�(evenly�divided�between�directions).

Peak�shock�acceleration 150�g

Duration�of�the�shock�acceleration 1 ms

Frequency 40-120�beats�per�minute

Applied�standard GOST�20.57.416,�methods�104-1,�105-1.�Compliance�to�MIL-STD-810G,�method�514.6

UPD 10.02.17

Page 12 of 19.



4.3. Single impacts

Exposure�to�single�impact�is�tested�in�powered-off�condition.��Units�are�exposed�to�tree�impacts�one�by�one�in�

each�direction�on�three�mutually�perpendicular�axes�(six�directions).

Peak�shock�acceleration 1000 g

Duration�of�action 0.5–2�ms

Applied�standard GOST�20.57.416,�methods�106-1.Partial�compliance�to�MIL-STD-810G,�method�514.6

4.4. High ambient temperature

Testing�of�exposure�to�high�ambient�temperature.�Absolute�humidity�of�air�in�the�chamber�must�not�exceed�an�

amount�equal�to�20�g�of�water�vapour�per�1�m3�of�air� (50%�at�35°C).�Before�testing�the�external�appearance,�

electrical� isolation� resistance,�established�deviation�of�output�voltage,�and�output�voltage� ripple�are�checked.�

Units�are�mounted�on�the�heatsink�(radiator)�with�base�thickness�at�least�10�mm�and�are�placed�in�a�chamber.�

Units�are�powered�on�at�nominal�input�voltage�and�max�output�current;�temperature�in�the�chamber�is�regulated�

so�that�unit’s�case�temperature�is�(90±2)�ºС�for�i-version�of�units,�and�(120±5)ºС�for�m-version.�

Test�duration:��after�the�setting�thermal�equilibrium�the�units�are�kept�in�powered-on�condition�within�2�hours,�

output�voltage�must�be�controlled.�Then,�without� removing� the�product� from�the�chamber�electrical� isolation�

resistance�established�output�voltage�deviation�and�output�voltage�ripple�are�checked.��Unit�are�removed�from�

the�chamber�and�exposed�to�normal�climatic�conditions�at�least�2�hours,�then�the�external�inspection�is�done�and�

controlled�parameters�are�verified.

Applied�standard GOST�20.57.406�method�201-2.2.�Compliance�to�MIL-STD-810G,�method�501.5

Climatic chambers.

UPD 10.02.17

Page�13�of�19.



4.5. Low ambient temperature

Testing�of�exposure�to�low�ambient�temperature.�Absolute�humidity�of�air� in�the�chamber�must�not�exceed�an�

amount�equal�to�20�g�of�water�vapour�per�1�m3�of�air� (50%�at�35°C).�Before�testing�the�external�appearance,�

electrical�isolation�resistance,�established�deviation�of�output�voltage,�and�output�voltage�ripple�are�checked.

If� necessary�units� are�mounted�on� the�heatsink� and� then�placed� in� chamber,� then� the� chamber� is� set� to� low�

temperature�-(60±3)ºС.��It�is�allowed�to�place�products�into�the�chamber�with�preset�temperature.�After�reaching�

thermal�equilibrium�units�are�kept�in�powered-on�condition�within�2�hours.�Then�electrical�isolation�resistance�is�

verified.�Units�are�powered�on�with�nominal�input�voltage�and�max�output�current.

Applied�standard GOST�20.57.406,�method�203.�Compliance�to�MIL-STD-810G,�method�502.5

4.6. Rapid ambient temperature change

Exposure� of� units� to� ambient� temperature� change� is� tested� by�method� of�“two� chambers”(rapid� temperature�

change).

The� external� appearance,� electrical� isolation� resistance,� established� deviation� of� output� voltage,� and� output�

voltage�ripple�are�checked�before�testing.

Units�are�placed�in�a�chamber�with�preset�low�temperature�(–60°С)�and�are�kept�in�powered-off�condition�during�

1�hour.�Then�units�are�moved�to�the�chamber�with�preset�high�temperature� (90±2)ºС,� for�units�of� i-version,�or�

(125±2)ºС�for�units�of�m-version,�and�are�kept�in�powered-off�condition�during�1�hour.�Total�number�of�cycles:�

three.

Transfer�time�must�be�the�shortest,�but�not�more�than�5�minutes.

After� completing� the� last� cycle�units� are�exposed� to�normal� climatic� conditions�during�2�hours�and� then� the�

external�appearance�and�electrical�isolation�resistance�are�checked.

Test�duration 1�hour,�3�cycles,�total�duration�6�hours


4.7. High humidity

Testing� of� exposure� to� high� humidity.� Before� testing� the� external� appearance,� electric� isolation� resistance,�

established�output�voltage�deviations,�and�output�voltage�ripple�are�verified.�

Testing�shall�be�carried�out� in�continuous�mode�(without�moisture�condensation).�Products�are�tested�without�

electrical�load.�The�products�are�placed�in�humidity�chamber.��The�temperature�inside�the�chamber�is�increased�

up�to�40�(55)ºС�and�the�units�are�exposed�to�this�temperature�during�2�days.��Relative�humidity�is�increased�up�

to�(93±3)%,�then�the�temperature�and�humidity�inside�the�chamber�are�kept�constant�during�56�(21)�days�with�

humidity�of�98%.

UPD 10.02.17




Units�are�removed�from�the�chamber�and�exposed�to�normal�climatic�conditions�during�at�least�2�hours,�then�the�

external�appearance,�electric�isolation�resistance,�established�output�voltage�deviation�and�output�voltage�ripple�

are�checked.�

Test�duration 21�day


4.8. Low atmospheric pressure

Testing�of�units�for�exposure�to�low�atmospheric�pressure.�Units�are�placed�in�chamber�and�exposed�to�pressure�

reduced�down�to�0,67•103�Pa�(5�mm�Hg)�during�1�hour.�Units�are�switched�on�with�nominal�input�voltage�and�

min�output�current�of�single-channel�units�and�all�channels�of�multi-channel�units,�kept�in�powered-on�condition�

during�30�minutes,�then�the�established�output�voltage�deviation�and�output�voltage�ripple�are�measured.�Power�

off�the�units.�Pressure�in�chamber�in�increased�up�to�normal.�

Max.�operation�altitude�—�35�km�above�sea�level�(based�on�the�value�of�allowable�low�pressure).


4.9. High atmospheric pressure

Testing�of�units�for�exposure�to�high�atmospheric�pressure.�Units�are�placed�in�chamber;�the�chamber�pressure�is�

increased�up�to�2.92�•�105�Pa�(2207�mm�Hg)�and�exposed�during�4�hours.�Units�are�switched�on�with�input�voltage�

and�min�output�current�of�single-channel�units,�and�all�channels�of�of�multi-channel�units,�kept�in�powered-on�

condition�during�1�hour,�then�the�established�deviation�of�output�voltage,�and�output�voltage�ripple�are�checked.�

Power�off�the�units.�The�pressure�in�the�chamber�is�lowered��down�to�normal.

Test�duration In�powered-off�condition�—�4�hours,�in�powered-on�condition�1�hour.


4.10. Radio interference voltage

Radio�interference�level�of�power�supply�units�is�checked�according�to�MIL-461�methods�for�CE102�requirements.

4.11. Precipitation

Condensed�atmospheric�precipitation�(frost,�dew).�Products�in�the�powered-on�condition�are�placed�in�the�cold�

chamber�which�is�set�to�-(25±3)°С�and�exposed�during�2�hours.

Products�are�removed�from�the�camera�and�exposed�to�normal�climatic�conditions,�and�supplied�with�electric�

voltage.�The�products�are�kept�In�powered-on�condition�during�3�hours.

Test�duration 2�hours��3�hours

Complies�to� MIL-STD-810G�method�521.3�by�value�VF.

UPD 10.02.17




4.12. Salt fog (marine)

Product� exposure� to� salt� fog� with� periodic� spraying� of� salt� solution.� Salt� solution� is� prepared� by� dissolving�

sodium�chloride�in�distilled�water.�Hydrogen-ion�concentration�(pH)�of�the�solution�should�be�within�6.5-7.2�at�

temperature�of�(20�±�2)°C�and,�if�necessary,�it�must�be�corrected�to�this�level�by�adding�dilute�hydrochloric�acid�

(Hcl)�or�sodium�hydroxide.�Error�in�determining�the�pH�should�not�exceed�0.1�pH.

The�product�is�exposed�to�normal�climatic�conditions�during�two�days.�The�temperature�in�the�chamber�is�set�

to�(27�±�2)°С�and�the�products�are�exposed�to�salt�fog.�Salt�fog�must�have�such�dispersiveness�and�fog�water�to�

reach�the�amount�of�condensate,�averaged�during�16�hour�chamber�operation,�to�0.1-0.3�ml/hour�for�each�80cv2�

of�horizontal�surface�of�the�testing�are.

The�solution�us�sprayed�during�15�minutes�every�45�minutes�of�exposure.

Products�are�washed�in�distilled�water�at�temperature�of�35-40°C�with�full�immersion�of�products�in�water�and�

shaking�them�for�1�minute.�Then�the�product�is�dried�during�2�hours�at�55°C�and�visually�inspected.

Test�duration 2�days

Applied�standard GOST�20.57.416,�methods�215-2,�215-3.�Compliance�to�MIL-STD-810G,�method�509.5

4.13. Static dust (sand)

Products�are�placed�in�chamber�and�the�temperature�is�set�to�(60�±�3)°C.�Relative�humidity�of�air�—�not�more�than�

25%.�The�product�is�blown�by�dust-sand�mix,�20%�of�chalk�and�20%�of�kaolin,�passing�through�a�sieve�with�mesh,�

during�2�hours.�Then�the�fan�is�turned�off�during�2�hours�the�dust�deposits�without�air�circulation.

Particle�size�of�dust�mix 150�g

Remnants�of�particles�not�sifted�through�the�sieve 1 ms

Speed�of�air�circulation�in�Chamber�before�the�dust��starts�depositing

40–120�beats�per�minute

Concentration�of�dust 2�g/m3�or�0.1%�of�usable�volume�of�chamber

Test�duration 4�hours

Applied�standard —

UPD 10.02.17




1.�Compliance� to� the� requirements�of� reliability�of�units� is�controlled�by�short-term�and� long-term�testing� for�

failure-free�operation�with�estimation�of�failure-free�operation�indices�based�on�generalization�of�testing�results,�

including�shelf-life�testing.�

Testing� is� carried� by� two� cycles� with� max� input� voltage� and� max� output� current.� Duration� of� each� cycle�—�

250�hours.

2.�Short-term�failure-free�operation�testing�performed�during�500�hours.�In�the�process�of�testing�every�100�hours�

the�deviation�and�ripple�of�output�voltage�is�checked.

3.� Long-term� failure-free� operation� testing� continues� the� short-term� failure-free� operation� testing� within�

qualification�testing.��During�and�after�the�testing�the�units�are�visually�inspected,�output�voltage,�ripple,�thermal�

and�time�instability�of�output�voltage�are�measured.�Criteria�parameters�of�validity�are�controlled�during�testing�

every�1000�hours�during�first�10�000�hours,�then�—�every�5000�hours.

5.�Reliability�compliance�control

Mechanical and climatic factors Exposure time in one cycle, hRepeated�shock�loads�with�speed�from�40�to�120�beats�per�minute

0,5

Vibration�loads 10

High�temperature 60

Low�temperature 4

High�humidity 60

Temperature�cycling 6

Normal�conditions 110

Reliability test cycle at high temperature.

UPD 10.02.17

Page 17 of 19.



6.�Testing�and�control�of�DC/DC�converters�in�production�100%�of�products�undergo�repeated�testing�and�quality�control,�ongoing�throughout�whole�production�process.�

The�main�aim�is�to�control�the�quality�of�manufactured�products�and�assurance�of�best�reliability.��Each�product�in�

the�course�of�technological�cycle�undergoes�the�quality�control�operations�specified�below.�

6.1. Control of surface mounting by automatic optical inspection

Control�is�carried�out�immediately�after�the�operation�of�surface�mounting,�using�automated�optical�inspection.��

Points�to�control:�location�of�all�elements�mounted�on�PCB�surface,�correctness�of�nominal�values�of�mounted�

elements,�quality�of�soldered�joints�with�obligatory�control�of�shape�and�height�of�hollows�of�soldered�joints.

6.2. QCD inspection of soldered joints quality of air and surface mounting by automatic optical inspection

Factory’s�QCD�carries�control�using�automatic�optical� inspection�of�PCBs�after�mounting�all�necessary�electric�

components.� �Automatic� inspection�allows� to�discover�all�possible� soldering�defects�of� surface�mounting�and�

components�that�are�soldered��in�holes�of�PCB.��

6.3. Control of electric parameters during production

During�production�of�power�supply�units�electric�parameters�are�checked�upto�three�times.

First� testing� of� electric� parameters� and� the� required� adjustment� of� product� parameters� is� performed� after�

mounting�of�all�necessary�elements�on�the�PCB.�

Electric�parameters�are�measured�using�contemporary�highly�accurate�measuring�equipment.

The�second� testing� is�performed�after� the�complete�of�assembly�of� the�product.�Basic�electric�parameters�are�

registered�and�recorded�in�the�product’s�protocol�and�in�factory’s�database.�

Final�testing�of�products’�electrical�parameters�at�production�sites�is�performed��after�filling�of�the�product�with�

polymer�compound.

6.4. QCD inspection of product assembly accuracy

After� full�product�assembly�and�mounting� it� in�a�case� that�QCD�controls�by�visual� inspection� the�accuracy�of�

assembly�based�on�factory’s�quality�standards.�

6.5. Isolation resistance test

Additional�control�of�assembly�quality�and�mounting�is�the�measurement�of�isolation�resistance�of�products,�that�

allows�to�avoid�assembly�errors.

Automated stand with the output of parameters to the PC.

Automatic optical inspection.

UPD 10.02.17




6.6. Operation test of products at the lowest temperature of the operating temperature range

Operational� control� of� products� and� conformity� of� electrical� parameters� after� exposure� to� cold� in� chamber.�

Electrical�parameters�are�measured�at�a�temperature�corresponding�to�the�the�lower�limit�of�the�temperature�

range�specified�in�the�product’s�Specifications.

6.7. Long-term tests of powered-on units at max operating temperature measuredon product case

Product�reliability�and�stability�of�electrical�parameters�are�monitored�at�continuous�operation�of�products�with�

heating�up�to�upper�limit�of�high�temperatures�of�product’s�case.�During�testing�the�units�are�placed�in�special�

heating�stands.�Electric�parameters�are�monitored�during�the�comlete�cycle�of�temperature�test.

6.8. Isolation resistance test

In�order�to�ensure�compliance�with�the�stated�safety�requirements,�the�product’s�isolation�resistance�breakdown�

test�is�performed�by�50�Hz�test�AC�voltage.��Verification�is�performed�at�final�production�stages�using�universal�

breakdown�tester.

6.9. Electric parameters verification by factory QCD

Before� passing� the� product� to� packaging� quality� officers� measure� again� all� electric� parameters� regulated�

by�technical�requirements�for�a�given�type�of�product.�

6.10. External inspection of the product, accompanying documents set and accuracy of packing

Before�passing�the�product� to� the�finished�store�the�products�appearance� is�checked�and�verified�for�absence�

of� case� defects,� completeness� of� documentation� and� correctness� of� overall� dimensions.� Comleteness,� quality�

and��appearance�of�packing�are�checked.

Long testing of units at max operating temperature.

UPD 10.02.17

Page 19 of 19.


AEDON,�LLC�is�the�leading�Russian�developer and�manufacturer�of�DC/DC�converters�and�power supply�systems�for�critical�applications.

eng.aedon.ru [email protected]

Druzinnikov�str.�1,�Voronezh 394026,�Russia�

+7�473�200-87-80

1,�bld.�2,�BC�“W�Plaza�1”, office�A403,�Moscow 101000,�Russia�

+7�499�372-50-10�

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Qualification Testing Standards - AEDON · UPD 10.02.17 Page 1 of 19. AEDON LLC. All rights ... [email protected] eng.aedon.ru Qualification Testing Standards Product platform MDV, MDR,