sMrt single, dual and triple space dc-dc convertersinterpoint.com/product_documents/SMRT_Space_DC_DC_Converters.… · sMrt single, dual and triple ... 19-56 Volt input – 35 Watt

Features• RadiationtolerantspaceDC-DCconverter

- Singleeventeffects(SEE)LETperformanceto86MeVcm2/mg- Totalionizingdose(TID)guaranteedperMIL-STD-883method1019,radiationhardnessassurance(RHA)P=30krad(Si),L=50krad(Si),R=100krad(Si)- 50-300rad(Si)/secdoserate(ConditionA)- 10mrad(Si)/secdoserate(ConditionD)

• BuiltinMIL-STD-461EMIfilter• Outputtrimfrom51%to125%ofnominal• Operatingtemperature-55°to+125°C• QualifiedtoMIL-PRF-38534ClassHandK• Inputvoltagerange19to56volts• Transientprotection80voltsfor120ms• Fullyisolated,5portisolation• Magneticfeedback• Fixedhighfrequencyswitching• Remotesense• Inhibitfunction• Synchronizationinput• Indefiniteshortcircuitprotection• MeetsMIL-STD-704Atransientstandards

descriptionTheInterpoint®SMRTSeries™ofDC-DCconvertersoffersupto35wattsofpowerinaradiationtolerantdesign.ThelowprofileSMRTconvertersaremanufacturedinourfullycertifiedandqualifiedMIL-PRF-38534ClassKproductionfacilityandpackagedinhermeticallysealedsteelcases.Theyareidealforuseinprogramsrequiringhighreliability,smallsize,andhighlevelsofradiationhardnessassurance.

TheSMRTconvertersareswitchingregulatorswhichuseatwo-phase,phaseshiftedflybackdesignwithanominalswitchingfrequencyof300kHz.Tightregulationismaintainedwithadvancedconstantfrequencypulsewidthmodulationdesigntechniques.TheSMRT’sfeed-forwardcompensationanddiscontinuoustopologiesprovidehighlevelsofinput-to-outputripplerejection.SeeFigure10onpage29,Figure29andFigure30onpage33andFigure45andFigure46onpage36.

Twoindependentfeedbackloopsareusedtoregulatethedualandtripleoutputs,onefeedbackloopregulatesthetwo-phasedsingleoutput.Eachsetofoutputsiselectricallyisolatedfromtheotherandfromtheinput.Thisproductconfigurationeliminatescrossregulationeffectsbetweenoutputsets.

Configurations:

•SingleOutput:Onedual-phaseoutput•DualOutput:Twoisolatedsingle-phaseoutputs•TripleOutput:Onesingle-phasedoutput(Main)isolatedfromonesingle-phasedualoutput(±Auxiliary)

MODELSOutput VOltage (V)

SINGLE DUAL TRIPLE3.3 VoutA5V,VoutB5V +3.3&±12

5 VoutA12V,VoutB12V +3.3&±15

8.7 VoutA15V,VoutB15V +5&±7

12 +5&±12

15 +5&±15

Crane Aerospace & Electronics Power Solutions

sMrt single, dual and triple space dc-dc converters

Page1of44

19-56 Volt input – 35 Watt – space qualiFied

SMRT28RevAK-2017.11.20Crane Aerospace & ElectronicsPower Solutions – Interpoint Products10301 Willows Rd. NE, Redmond, WA 98052+1 425.882.3100 • [email protected]/interpoint

underVOltage lOckOutTheconvertershaveanundervoltagelockoutthatwillallowpowerconversionatapproximately17voltsonarisinginputvoltageandaconversionshut-downonafallingvoltageatapproximately14.5volts.

InhIbIt FunctIOnTheSMRTSeriesincorporatesaninhibitterminalthatcanbeusedtodisableinternalswitching.ItisnotrecommendedtotietheInhibitpinofanSMRTdirectlytotheInhibitpinofanotherconverterastheSMRTInhibitpincansinkcurrent.Whenpullingmultipleinhibitsignalslow,aseparateinterfaceisrecommendedforeachSMRT.TheconverterisinhibitedwhentheInhibitpinispulledlow(0.4V).Intheinhibitmodetheinhibitpincurrentrequirementislessthan~2mA.TheconverterresumesnormaloperationwhenanopencircuitisappliedtotheInhibitpinortheInhibitpinisopen(unconnected).TheopencircuitvoltageoftheInhibitpinis5to6volts.ToenabletheconverteruseanopencollectorontheInhibitpinorleaveitunconnected.

SynchrOnIzatIOnTheSyncInputpinisisolatedwhichallowsSyncReturnpintobetiedtotheprimaryside,secondaryside,orfloatwithrespecttoallinputsandoutputs.Inputcurrentintothispinislimitedbyaseries1kohmresistance.

radIatIOn tOleranceTheSMRTDC-DCconvertersaredesignedtoprovidecontinuousnormaloperationthroughradiationlevelsassociatedwithspacemissionsandintacticalandstrategicmilitaryenvironments.TheRHAlevelRconverterswilloperatenormallyinradiationenvironmentswithupto100krad(Si)totaldoseandwillnotexhibitlowdoserate(LDR)effectsat10mrad(Si)/secdoserateuptoaTIDof100krad.

TheselevelsofradiationtolerancemaketheSMRTconverterssuitableforelectronicsinprogramswhereoperationinhighradiationenvironmentsisrequired.

ScreenIngSMRTconvertersofferscreeningoptionstospaceprototype(O),ClassHorKandradiationhardnessassurance(RHA)levelsP-30krad(Si),L-50krad(Si)orR-100krad(Si).Singleeventeffects(SEE)LETperformanceto86MeVcm2/mg.SeeTable27andTable28formoreinformation.

eMITheSMRThasabuilt-inEMIinputfilterwhichbringstheconductedemissionsintocompliancewithbothmethodsofMIL-STD-461,revisionsC-CE03andD-/E-/F-CE102.

electrOStatIc dIScharge (eSd) SenSItIVItyPerMIL-PRF-38534,theSMRTSeriesconvertersareratedtoESDclass3Bdefinedassensitivityequalto,orgreaterthan,8000volts.

SenSeTightloadregulationismaintainedviawidebandwidthmagneticfeedbackandthroughtheuseofremotesenseonsingleoutputmodelsandVOUTAondualoutputmodels.Thesensepinfunctionallowsaremoteconnectionforthevoltageregulationcircuittocompensateforvoltagedropsbetweentheconverterandthepointofuse.

Notethatifthesensepinsareconnectedbuttheoutputvoltagepinsarenot,theconvertermaybedamaged.

ThemaximumvoltagedropfromtheoutputtothesensepinisshowninTable1below.

NOMINALOUTPUTVOLTAGE(V)1

MAxVOLTAGEDROP(V)

MAxVOLTAGEATCONVERTER

(VMAx)1

3.32 0.58 3.885 1.0 6.08.72 1.9 10.5812 2.68 14.6815 3.36 18.36

NotesforTable11.Donotexceedmaximumvoltage.2.Thesensepinfunctionfor3.3and8.7isonlyavailableonsingleoutputmodels.

Table 1: MaxiMuM VolTage Drop using reMoTe sense single anD Dual MoDels only


www.craneae.com/interpoint Page2of44

sMrt single, dual and triple space dc-dc converters19-56 Volt input – 35 Watt – space qualiFied

SMRT28RevAK-2017.11.20

Output VOltage trIMTherearetwopossiblemethodsforoutputvoltagetrim.Trimcanbeachievedusingtheprovidedtrimpinorinsomecasesthesensepin.Thepreferredmethodistheuseofthetrimpin.EveryconverterintheSMRTfamilyprovidesatrimpinthatallowsatleastoneoutputtobeadjusted.SeeTable3andTable4formaximumadjustrangeforeachoutputvoltage.Thesingleoutputmodelsprovideatrimpinandremotesense.ThedualoutputmodelsallowremotesenseonVOUTAandhaveatrimpinontheVOUTB.ThetripleshaveatrimpinontheVOUTA(main)andasingletrimpinforbothVOUTBauxiliaries.

Foroutputswithoutatrimpin,theoutputattheconvertercanbeadjustedupbyaddingresistanceinserieswiththesensepin.

SeeTable2forasummaryoftrimfeaturesandseebelowfordetailsonthetrimfeatures.SeeFormula1fortrimmingdownwhenusingatrimpin,Formula2fortrimmingupwhenusingatrimpinandFormula3whentrimmingupusingSenseApinonadualoutputmodel.

NOTE:Donotexceedmaximumcurrentratingwhentrimmingdown.NOTE:Donotexceedmaximumpowerratingwhentrimmingup.

VoltageAdjustFeature Singles Duals TriplesTrimPin(Formulas1and2) TrimandSensePin TrimB TrimA,TrimB±SensePin(Formula3) — SenseA —

table 2: trIM and SenSe VOltage adjuSt

Output VOltage trIM detaIlSTheoutputvoltagetrimpinfunctionisimplementedwitharesistorbetweenthetrimpinandeithertheoutputvoltagepinor

thesensepin.Figure1andFigure2showtheconnectionsforthetrimresistor(RTRIM).

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141312111098

SMRT Single

Sense

TrimVout A

Vout A

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SMRT Dual

Vout BTrim B

12345

141312111098

SMRT Triple

Vout ATrim A

Trim B

+Vout B

FIgure 1: trIM dOwn dIagraMS

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SMRT Single

Sense Return

Trim

Vout A Return

Vout A Return

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SMRT Dual

Vout B Return

Trim B

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SMRT Triple

Vout A Return

Trim A

Trim B

Vout B Return

FIgure 2: trIM up dIagraMS





TRIMDOWNUSINGTRIMPIN,ALLMODELSTotrimtheoutputvoltagelowerthanthenominalsetpoint,connectRTRIMasshowninFigure1.ThevalueofRTRIMiscalculatedbythefollowingequation:

FOrMula 1: trIM dOwn uSIng trIM pIn

RTRIM=K(VOUT–VMIN)/(VNOM–VOUT)Where:K=MultiplicationconstantfromTable3VOUT=Desiredoutputvoltage(mustbegreaterthanVMIN)VMIN=MinimumoutputvoltagefromTable3VNOM=Nominalsetpointvoltageoftheconverter

CAUTION:-Donotexceedmaximumcurrentratingwhentrimmingdown.-DonotmakeanyconnectionsbetweenTRIMB,pin8,andVOUTBNegative,pin9.Anyconnectionbetweenthetwocancausetheauxiliaryvoltagestogoexcessivelyhighandcandamagetheconverter.

TRIMUPUSINGTRIMPIN,ALLMODELSTotrimtheoutputvoltagehigherthanthenominalsetpoint,connectRTRIMasshowninFigure2.ThevalueofRTRIMiscalculatedbythefollowingequation:

FOrMula 2: trIM up uSIng trIM pIn

RTRIM=K(VMAx–VOUT)/(VOUT–VNOM)Where:K=MultiplicationconstantfromTable4VOUT=Desiredoutputvoltage(mustbelessthanVMAx)VMAx=MaximumoutputvoltagefromTable4VNOM=Nominalsetpointvoltageoftheconverter

CAUTION:-Donotexceedmaximumpowerratingwhentrimmingup.-DonotmakeanyconnectionsbetweenTRIMB,pin8,andVOUTBNegative,pin9.Anyconnectionbetweenthetwocancausetheauxiliaryvoltagestogoexcessivelyhighandcandamagetheconverter.

TRIMUPUSINGSENSEAPINONDUALMODELSONLyTrimUpVOUTA

Inadditiontoremotesensing,theSenseApinmaybeusedtoincreasetheregulatedoutputvoltageattheVOUTApin.Thisisaccomplishedbyattachingaresistor(RADjUST)betweentheSenseApin(pin8)andtheVOUTApin(pin11).ThevalueofRADjUSTiscalculatedbythefollowingequation:

FOrMula 3: trIM up uSIng SenSe a pIn

RADjUST = 240 (Vout–Vnom ) / (K + (Vmax–Vout))Where: VOUT=Desiredoutputvoltage(mustbelessthanVMAx)VNOM=NominalsetpointvoltageoftheconverterVMAx=Maximumachievableoutputvoltage

CAUTION:Donotexceedmaximumpowerratingwhentrimmingup.

VNOM K VMAx %ofVNOM3.3 3000 3.70 1125singleandtriple 3000 6.26 1255dual 5280 5.82 1167 5300 8.27 1188.7 5300 10.46 12012 5300 14.69 12215 5300 18.54 124

VNOM K VMIN %OFVNOM3.3 3500 3.18 965singleandtriple 4520 4.16 835dual 7040 4.38 887 8020 5.47 788.7 9040 6.13 7012 11030 7.05 5815 12900 7.65 51

Output VOltage trIM detaIlS (cOntInued)

table 3: trIM dOwn cOnStantS when uSIng trIM pIn

table 4: trIM up cOnStantS when uSIng trIM pIn

table 5: trIM up cOnStantS when uSIng SenSe pIn On Output a OF dual Output MOdelS

VNOM K VMAx %ofVNOM5 1 6.00 12012 0.98 12.98 10815 1.134 16.13 107.5





FIgure 3: SMrt SIngle blOck dIagraM

Bias 1

Error Amp / ref /compensation

Bias 1

EMI Filter Prim. Bias

PWM

Isolation

PWM

Isolation

28V

28V

Vout A Rtn.

Vout A Rtn.

OCP

OCPInhibit

Vin

Vin Rtn.

TrimSense

Sense Rtn.

Vout A

Vout A

Vout A Rtn.

ClockPhase A

Phase B

Prim. Bias

Prim. Bias

Sync In

Prim. Bias

Bias 2

Feed forwardcompensation

28VPrim. Bias

Feedback

Feedback

5.1V Z

Prim. Bias

Primary Secondary

Sync Rtn.

Vout A Rtn.





FIgure 4: SMrt dual blOck dIagraM

Bias 1


Bias 1


PWM

Isolation

PWM

Isolation

28V

28V

Vout A Rtn.

Vout A Rtn

OCP

Inhibit

Vin

Vin Rtn.

Sense A

Sense A Rtn.

Vout A

Vout B

Vout B Rtn.

Vout B Rtn.

ClockPhase A

Phase B

Prim. Bias

Prim. Bias

Sync In

Prim. Bias

Bias 2


28VPrim. Bias

Feedback

Feedback

5.1V Z

Prim. Bias

Primary Secondary

Sync Rtn.

OCP

Bias 2

Trim BError Amp / ref /compensation





FIgure 5: SMrt trIple blOck dIagraM

Vout B Neg.

Bias 1


Bias 1


PWM

Isolation

PWM

Isolation

28V

28V

Vout A Rtn.

Vout A Rtn.

OCP

OCPInhibit

Vin

Vin Rtn.

Trim A

Vout A

Vout B Pos.

Vout B Rtn.

Vout B Rtn.

ClockPhase A

Phase B

Prim. Bias

Prim. Bias

Sync In

Prim. Bias

Bias 2


28VPrim. Bias

Feedback

Feedback

5.1V Z

Prim. Bias

Primary Secondary

Sync Rtn.

Bias 2

Trim BError Amp / ref /

compensation





FIgure 6: pIn Out

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141312111098

TOP VIEW

FordimensionsseeFigure66onpage41.

pin outpin single output dual output triple output1 Vin Vin Vin2 VinReturn VinReturn VinReturn3 Inhibit Inhibit Inhibit4 SyncIn SyncIn SyncIn5 SyncReturn SyncReturn SyncReturn8 Sense SenseA TrimB9 SenseReturn SenseAReturn VoutBNegative10 VoutAReturn1 VoutAReturn VoutBReturn11 VoutA1 VoutA VoutBPositive12 Trim TrimB TrimA13 VoutA1 VoutB VoutA14 VoutAReturn1 VoutBReturn VoutAReturn

1.TomeetspecificationsforSingleOutputmodels,VoutApins(11and13)mustbetiedtogetherandVoutAReturnpins(10and14)mustbetiedtogether.

CAUTION:DonotmakeanyconnectionsbetweenTRIMB(pin8)andVOUTBNegative(pin9).Anyconnectionbetweenthetwocancausetheauxiliaryvoltagestogoexcessivelyhighandcandamagetheconverter.

pins not in useInhibit LeaveunconnectedSyncIn ConnecttoSyncReturnSenseLines(SingleandDual)

Mustbeconnectedtoappropriateoutputs

Trim Leaveunconnected

table 6: pIn Out

table 7: pInS nOt In uSe





Model nuMbering key

SMRT 28 515 T / K R Base Model

Input VoltageOutput Voltage

Environmental Screening

Radiation HardnessAssurance (RHA)

Number of Outputs (S=single, D=dual, T=triple)

(single or dual Vout for single or dual modelsmain and aux. Vout for triple models)

sMd nuMbersStandard Microcircuit

drawing (SMd)SMrt SiMilar Part

5962R0622001KxC SMRT283R3S/KR5962R0622101KxC SMRT2805S/KR5962R1220101KxC SMRT288R7S/KR5962R0821001KxC SMRT2812S/KR5962R0622201KxC SMRT2815S/KR5962R0622301KxC SMRT2805D/KR5962R0720201KxC SMRT2812D/KR5962R0622401KxC SMRT2815D/KR5962R0821101KxC SMRT283R312T/KR5962R0821201KxC SMRT283R315T/KR5962R1322101KxC SMRT28507T/KR5962R0622501KxC SMRT28512T/KR5962R0622601KxC SMRT28515T/KRTheSMDnumbershownisforClassKscreeningandradiationhardnessassurance(RHA)levelR.SeetheSMDforthenumbersforotherscreeningandradiationlevels.ForexactspecificationsforanSMDproduct,refertotheSMDdrawing.SMDscanbedownloadedfrom:https://landandmaritimeapps.dla.mil/programs/smcr/

Model nuMber options to deterMine the Model nuMber enter one oPtion froM

each category in the forM below.

category base Model and input Voltage

output Voltage 1 number of outputs 2

screening 3 rHa 4

options SMRT28

3R3,05,8R7,12,15 S O O05,12,15 D H P

3R312,3R315, T K L

507,512,515 R

Fill in For Model # 5 SMRT28__________ __________ / _______

Notes1.OutputVoltage:AnRindicatesadecimalpoint.3R3is3.3voltsout.The3R3outputvoltageisonlyavailableinsingleandtripleoutputmodels.The3R312and3R315tripleoutputconvertersare+3.3voltmainand±12or±15voltauxiliaries.The507tripleoutputconverteris+5mainand±7voltauxiliaries.The512and515tripleoutputconvertersare+5voltmainand±12or±15voltauxiliaries.

2.NumberofOutputs:Sisasingleoutput,Disadualoutput,andTisatripleoutput3.Screening:AscreeninglevelofOisaSpacePrototypeandisonlyusedwithRHAO.SeeTable27andTable28formoreinformation.

4.RHA:Interpointmodelnumbersusean“O”intheRHAdesignatorpositiontoindicatethe“-”(dash)RHAlevelofMIL-PRF-38534,whichisdefinedas“noRHA.”RHAOisonlyavailablewithscreeninglevelO.SeeTable28formoreinformation.

5.Iforderingbymodelnumberadda“-Q”torequestsolderdippedleads(SMRT2805S/KR-Q).AvailableonlyforClassHandK.

table 8: SMd nuMber crOSS reFerence

table 9: MOdel nuMber OptIOnS

FIgure 7: MOdel nuMberIng key





ALLMODELSPARAMETER CONDITIONS MIN TyP MAx UNITSLEADSOLDERINGTEMPERATURE1 10SECONDSMAx. — — 300 °CSTORAGETEMPERATURE1 -65 — +150 °C

CASEOPERATING FULLPOWER -55 — +125 °CTEMPERATURE ABSOLUTE1 -55 — +135

DERATINGOUTPUTPOWER/CURRENT1 LINEARLy From100%at125°Cto0%at135°C

ESDRATING1 MIL-STD-883METHOD3015 — — ≥8000 VMIL-PRF-38534,3.9.5.8.2 CLASS3B

ISOLATION:INPUTTOOUTPUTOR @500VDC 100 — — MegohmsANyPINTOCASE

UNDERVOLTAGELOCKOUT1 RISINGVIN(TURNON) 13.07 — 16.37 VFALLINGVIN(TURNOFF) 12.26 — 15.80

OUTPUTPOWERLIMIT2 %OFFULLLOAD — 145 — %

AUDIOREjECTION1 — 50 — dB

SWITCHINGFREQUENCy INPUTFREQUENCy 270 — 330 kHz

SyNCHRONIzATION3 DUTyCyCLE1 20 — 80 %

SyNCISFLOATINGANDISOLATED ACTIVELOW — — 0.8 VACTIVEHIGH1 2.5 — 10

REFERENCEDTO SyNCRETURNIFNOTUSED CONNECTTOSyNCRETURN

INHIBITACTIVELOW(OUTPUTDISABLED) INHIBITPINPULLEDLOW1,4 — — 0.4 V

DonotapplyavoltagetotheInhibitpin INHIBITPINSOURCECURRENT1 — — 2 mA

REFERENCEDTO INPUTCOMMON

INHIBITACTIVEHIGH(OUTPUTENABLED)DonotapplyavoltagetotheInhibitpin

INHIBITPINCONDITION OPENCOLLECTORORUNCONNECTED

OPENPINVOLTAGE1 5 — 6 V

Notes1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Attheoutputpowerlimitpointtheoutputvoltagewillstarttodropastheoutputcurrentincreasesinordertolimittheoutputpower.Tripleoutputs:Theover-currentlimitwilltriggerwhenthesumoftheauxiliarycurrentsreaches145%(typicalvalue)ofthemaximumrated“total”currentoftheauxiliaryoutputs.

3.Ifsyncisusedatlowerendofrange,fullloadoperationisnotguaranteed.4.TestedwithInhibitpinat0volts.

table 10: OperatIng cOndItIOnS - all MOdelS, 25° caSe, 28 VIn, unleSS OtherwISe SpecIFIed.

For mean time between failures (MTBF) contact Applications [email protected] +1 425.882.3100 option 7





table 11: electrIcal characterIStIcS: -55°c tO +125°c caSe, 28 VIn, 100% lOad, unleSS OtherwISe SpecIFIed.

Notes1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Lineregulationistestedatfullload.However,tomaintainregulationabove28voltsinput,aminimumloadisrequiredof0%at28voltsinputincreasinglinearlyto5%at56voltsinput.

3.ConvertersmeetMIL-STD-461specificationrevisionsforconductedemissionsC-CE03andD-/E-/F-CE-102.Theactualvalueofinputripplecurrentismuchless,thelimitinthecharacteristictableisbasedonmeasurementresolution.

4.Maximumpowerdissipationwhenoutputisshorted.

5.RecoverytimeismeasuredfromapplicationofthetransienttopointatwhichVOUTiswithin1%ofVOUTatfinalvalue.

6.Steploadtestisperformedat10microsecondstypical.7.Halfloadto/fromfullload.8.Steplinetestisperformedat100microseconds±20microseconds.9.Measuredfromreleaseofinhibitorinputvoltagestep.

SINGLEOUTPUTMODELS SMRT283R3S SMRT2805S SMRT288R7SUNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE 3.23 3.30 3.37 4.90 5.00 5.10 8.52 8.70 8.87 VOUTPUTCURRENT — — 6.97 — — 6.0 — — 4.0 AOUTPUTPOWER — — 23 — — 30 — — 35 WOUTPUTRIPPLE TC=25°C — — 250 — — 180 — — 160 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 280 — — 200 — — 200

LINEREGULATION2 VIN=19TO50V — 5 30 — 5 30 — 5 30 mVLOADREGULATION NL-FL — 5 40 — 5 40 — 5 40 mVTOTALREGULATION1VOUT

ALLCONDITIONSOFLINE,LOAD,AGING,TEMPANDRADIATION

3.0 — 3.6 4.7 — 5.3 8.3 — 9.1 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 19 28 56 VTRANSIENT120ms1 — — 80 — — 80 — — 80 V

INPUTCURRENT NOLOAD — — 110 — — 110 — — 115 mAINHIBITED — — 50 — — 50 — — 50

INPUTRIPPLECURRENT3 10kHz-20MHz — 10 50 — 10 50 — 10 50 mAp-pEFFICIENCy TC=25°C 61 64 — 67 71 — 74 75.5 — %

TC=-55°Cto+125°C 60 — — 66 — — 72 — —

LOADFAULT4 POWERDISSIPATION — — 31 — — 28 — — 25 WRECOVERy1 — — 25 — — 25 — — 25 ms

STEPLOADRESPONSE5,6,7 TRANSIENT — — ±450 — — ±450 — — ±450 mVpk50%-100%-50% RECOVERy — — 3 — — 3 — — 4 msSTEPLINERESPONSE1,5,8 19-50-19VIN

TRANSIENT — — ±500 — — ±500 — — ±600 mVpk

RECOVERy — — 4 — — 4 — — 4 msSTART-UP9 DELAy — — 35 — — 25 — — 25 ms

OVERSHOOT — — 50 — — 50 — — 95 mVpk

CAPACITIVELOAD1TC=25°C

UNCONDITIONALLySTABLE,START-UPDELAyINCREASED

— — 5000 — — 5000 — — 5000 µF






SINGLEOUTPUTMODELS SMRT2812S SMRT2815SUNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE 11.76 12.00 12.24 14.70 15.00 15.30 VOUTPUTCURRENT — — 2.92 0 — 2.33 AOUTPUTPOWER — — 35 0 — 35 WOUTPUTRIPPLE TC=25°C — — 160 — — 140 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 200 — — 180

LINEREGULATION2 VIN=19TO50V — 5 30 — 5 30 mVLOADREGULATION NL-FL — 5 40 — 5 40 mVTOTALREGULATION1VOUT


10.9 — 13.1 14.0 — 16.0 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 VTRANSIENT120ms1 — — 80 — — 80 V

INPUTCURRENT NOLOAD — — 110 — — 110 mAINHIBITED — — 50 — — 50

INPUTRIPPLECURRENT3 10kHz-20MHz — 10 50 — 10 50 mAp-pEFFICIENCy TC=25°C 76 78 — 76 80 — %

TC=-55°CTO+125°C 75 — — 75 — —

LOADFAULT4 POWERDISSIPATION — — 20 — — 20 WRECOVERy1 — — 25 — — 25 ms

STEPLOADRESPONSE5,6,7 TRANSIENT — — ±575 — — ±575 mVpk50%-100%-50% RECOVERy — — 3 — — 3 msSTEPLINERESPONSE1,5,8 19-50-19VIN

TRANSIENT — — ±700 — — ±700 mVpk

RECOVERy — — 4 — — 4 msSTART-UP9 DELAy — — 25 — — 25 ms

OVERSHOOT — — 120 — — 150 mVpkCAPACITIVELOAD1TC=25°C


— — 5000 — — 5000 µF











DUALOUTPUTMODELS SMRT2805D SMRT2812D SMRT2815DUNITS

PARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx MIN TyP MAxOUTPUTVOLTAGE VOUTA 4.90 5.00 5.10 11.76 12.00 12.24 14.70 15.00 15.30 V

VOUTB 4.90 5.00 5.10 11.76 12.00 12.24 14.70 15.00 15.30

OUTPUTCURRENT2 VOUTA — — 3.0 — — 1.46 — — 1.17VOUTB — — 3.0 — — 1.46 — — 1.17 A

OUTPUTPOWER2 VOUTA — — 15 — — 17.5 — — 17.5 WVOUTB — — 15 — — 17.5 — — 17.5

OUTPUTRIPPLE TC=25°C — — 180 — — 150 — — 140 mVp-p10kHz-20MHz±VOUT TC=-55°CTO+125°C — — 200 — — 200 — — 180

LINEREGULATION3 VIN=19TO50V — — 30 — 5 25 — 5 30 mVLOADREGULATION NL-FL — 5 40 — 5 50 — 5 40 mVTOTALREGULATION1VOUT


4.6 — 5.4 10.9 — 13.1 14.0 — 16.0 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 19 28 56 VTRANSIENT120ms1 — — 80 — — 80 — — 80 V


INPUTRIPPLECURRENT4 10kHz-20MHz — 10 50 — 10 50 — 10 50 mAp-pEFFICIENCy TC=25°C 67 70 — 76 76 — 76 80 — %

TC=-55°CTO+125°C 66 — — 75 — — 75 — —

LOADFAULT5 POWERDISSIPATION — — 28 — — 20 — — 20 WRECOVERy1 — — 25 — — 25 — — 25 ms

STEPLOADRESPONSE6,7,8 TRANSIENT — — ±450 — — ±450 — — ±575 mVpk50%-100%-50% RECOVERy — — 3 — — 2 — — 3 msSTEPLINERESPONSE1,6,9

19-50-19VINTRANSIENT — — ±500 — — ±1000 — — ±700 mVpk


OVERSHOOT — — 50 — — 350 — — 150 mVpk

CAPACITIVELOAD1,11TC=25°C


— — 5000 — — 5000 — — 5000 µF

Notes1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Thespecifiedmaximumcurrent/powerisavailablefromeachoutput.3.Lineregulationistestedatfullload.However,tomaintainregulationabove28voltsinput,aminimumloadisrequiredof0%at28voltsinputincreasinglinearlyto5%at56voltsinput.Appliestobothoutputs.


5.Maximumcombinedpowerdissipationwhenbothoutputsareshortedsimultaneously.


7.Steploadtestisperformedat10microsecondstypical.8.Halfloadto/fromfullload.9.Steplinetestisperformedat100microseconds±20microseconds.10.Measuredfromreleaseofinhibitorinputvoltagestep.11.Appliestoeachoutput.





TRIPLEOUTPUTMODEL–SMRT283R312T 3.3(MAIN) ±12(AUxILIARIES)UNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE MAINANDPOS.AUx 3.23 3.30 3.37 11.76 12.00 12.24 VNEG.AUx. — — — -11.58 -12.00 -12.42

OUTPUTCURRENT2 EITHEROUTPUT — — 4.5 — ±0.625 11 AMAxTOTALAUx — — — — — 1.25

OUTPUTPOWER2 EITHEROUTPUT — — 15 — ±7.5 121 WMAxTOTALAUx — — — — — 15

OUTPUTRIPPLE TC=25°C — — 180 — — 140 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 180 — — 140

LINEREGULATION3 MAINANDPOS.AUx — — 30 — 5 30 mVVIN=19TO50V NEG.AUx. — — — — 10 70

LOADREGULATION MAIN&+AUx.,NL-FL — 5 40 — 5 40

BALANCEDAUx. -AUx.,NL-FL — — — — 10 300 mV

TOTALREGULATION1VOUT


3.0 — 3.6 ±10.9 — ±13.1 V

CROSSREGULATION1,4,5TC=25°C

EFFECTONNEGATIVEAUxILIARy — — — — — 2.5 %

INPUTVOLTAGE CONTINUOUS 19 28 56 — — — V

TRANSIENT120ms1 — — 80 — — — VINPUTCURRENT NOLOAD — — 110 — — — mA

INHIBITED — — 50 — — —INPUTRIPPLECURRENT6 10kHz-20MHz — 10 50 — — — mAp-pEFFICIENCy7 TC=25°C 69 70.5 — — — — %

TC=-55°CTO+125°C 68 — — — — —

LOADFAULT8 POWERDISSIPATION — — 28 — — — WRECOVERy1 — — 25 — — 25 ms

STEPLOADRESPONSE9,10,11,12 TRANSIENT — — ±450 — — ±450 mVpk50%-100%-50% RECOVERy — — 3 — — 3 msSTEPLINERESPONSE1,9,13 19-50-19VINTRANSIENT — — ±500 — — ±750 mVpk


OVERSHOOT — 0 50 — 0 120 mVpk


UNCONDITIONALLySTABLE,START-UPDELAyINCREASED — — 5000 — — 1000 µF

NotesSeepage19







NotesSeepage19


OUTPUTVOLTAGE MAINANDPOS.AUx 3.23 3.30 3.37 14.70 15.00 15.30 VNEG.AUx. -14.48 -15.00 -15.53

OUTPUTCURRENT2 EITHEROUTPUT — — 4.5 — ±0.5 0.81 AMAxTOTALAUx — — — — — 1.0



LINEREGULATION3 MAINANDPOS.AUx — — 30 — 5 30 mVVIN=19TO50V NEG.AUx. — 10 70


BALANCEDAUx. -AUx.,NL-FL — — — — — 300 mV



3.0 — 3.6 ±14.0 — ±16.0 V





INHIBITED — — 50 — — —INPUTRIPPLECURRENT6 10kHz-20MHz — 10 50 — — — mAp-pEFFICIENCy7 TC=25°C 70 71 — — — — %

TC=-55°CTO+125°C 68 — — — — —




OVERSHOOT — 0 50 — 0 150 mVpk







NotesSeepage19

TRIPLEOUTPUTMODEL–SMRT28507T 5(MAIN) ±7(AUxILIARIES)UNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE MAINANDPOS.AUx 4.90 5.00 5.10 6.86 7.00 7.14 VNEG.AUx. -6.79 7.00 -7.21

OUTPUTCURRENT2 MAINANDEITHEROUTPUT — — 3.0 — ±1.00 1.61 AMAxTOTALAUx — — — — — 2.0

OUTPUTPOWER2 MAINANDEITHEROUTPUT — — 15 — ±7.0 11.21 WMAxTOTALAUx — — — — — 14


LINEREGULATION3 MAINANDPOS.AUx — — 30 — — 100 mVVIN=19TO50V NEG.AUx. — — — — — 150

LOADREGULATION MAINAND+AUx.,NL-FL — 5 40 — 5 150




4.7 — 5.3 ±6.53 — ±7.47 V






TC=-55°CTO+125°C 69 — — — — —




OVERSHOOT — 0 50 — 0 70 mVpkCAPACITIVELOAD1,15TC=25°C







NotesSeepage19



OUTPUTCURRENT2 EITHEROUTPUT — — 3.0 — ±0.625 11 AMAxTOTALAUx — — — — — 1.25



LINEREGULATION3 MAINANDPOS.AUx — — 30 — 5 30 mVVIN=19TO50V NEG.AUx. — 20 70


BALANCEDAUx. -AUx.,NL-FL — — — — 10 300 mV



4.7 — 5.3 ±10.9 — ±13.1 V






TC=-55°CTO+125°C 68 — — — — —












NotesSeepage19



OUTPUTCURRENT2 EITHEROUTPUT — — 3.0 — ±0.5 0.801 AMAxTOTALAUx — — — — — 1



LINEREGULATION3 MAINANDPOS.AUx — 5 25 — — 25 mVVIN=19TO50V NEG.AUx. — 20 35





4.7 — 5.3 ±14.0 — ±16.0 V






TC=-55°CTO+125°C 70 — — — — —



RECOVERy — — 1.5 — — 1.5 msSTART-UP14 DELAy — — 25 — — 20 ms







NotesfortripleoutputmodelsonTable14throughTable18.

1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Uptothemaximumspecifiedauxiliaryoutputcurrent/powerisavailablefromeitherauxiliaryoutputprovidedthetotalauxiliaryoutputcurrentpowerdoesnotexceedthemaximumtotalcurrent/powerspecified.

3.Lineregulationistestedatfullload.However,tomaintainregulationabove28voltsinput,aminimumloadisrequiredof0%at28voltsinputincreasinglinearlyto5%at56voltsin.Loadpercentageappliestothemainoutputandalsotothesumoftheauxiliaries.

4.Tomaintainthecrossregulationspecification,oneoftheauxiliariesmustalwaysprovideaminimumof20%ofthetotalauxiliarypowerused.NegativeVoutcrossregulationisreferencedto50%/50%balancedloads(at100%oftotalratedoutputpower-fullload).

5.Crossregulationonlyaffectsthenegativeoutputoftheauxiliariesandismeasuredunderthefollowingconditions:Condition1:+POUT=20-80%,/-POUT=80-20%

Condition2:-POUT=20-80%,/+POUT=80-20%6.ConvertersmeetMIL-STD-461specificationrevisionsforconductedemissionsC-CE03andD-/E-/F-CE-102.Theactualvalueofinputripplecurrentismuchless,thelimitinthecharacteristictableisbasedonmeasurementresolution.

7.Efficiencymeasuredwithalloutputsatfullloadandisthecombinedefficiencyofalloutputs.8.Maximumcombinedpowerdissipationwhenallthreeoutputsareshortedsimultaneously.9.RecoverytimeismeasuredfromapplicationofthetransienttopointatwhichVOUTiswithin1%ofVOUTatfinalvalue10.Steploadtestisperformedat10microsecondstypical.11.Thesteploadspecificationforthenegativeauxiliaryoutputisguaranteedbyqualificationtest.Itisnotanin-linetest.12.Halfloadto/fromfullload.13.Steplinetestisperformedat100microseconds±20microseconds.14.Measuredfromreleaseofinhibitorinputvoltagestep.15.Appliestoeachauxiliary.

.

electrIcal characterIStIcS: -55°c tO +125°c caSe, 28 VIn, 100% lOad, unleSS OtherwISe SpecIFIed.






SINGLEOUTPUTMODELS SMRT283R3S SMRT2805S SMRT288R7SUNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE 3.23 3.30 3.37 4.90 5.00 5.10 8.52 8.70 8.87 VOUTPUTCURRENT 0.28 — 6.97 0.24 — 6.0 0.16 — 4.0 AOUTPUTPOWER 0.92 — 23 1.2 — 30 1.4 — 35 WOUTPUTRIPPLE TC=25°C — — 250 — — 200 — — 200 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 280 — — 200 — — 200

LINEREGULATION2 VIN=19TO50V — — 30 — — 30 — — 30 mVVIN=19TO56V — — 60 — — 60 — — 30

LOADREGULATION 5%-FL — — 80 — — 70 — — 80 mVTOTALREGULATION1VOUT


3.0 — 3.6 4.7 — 5.3 8.3 — 9.1 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 19 28 56 VTRANSIENT1120ms — — 80 — — 80 — — 80 V


INPUTRIPPLECURRENT3 10kHz-20MHz — — 60 — — 60 — — 60 mAp-pEFFICIENCy TC=25°C 60 — — 66 — — 72 — — %

TC=-55°CTO+125°C 60 — — 66 — — 72 — —

LOADFAULT4 POWERDISSIPATION+125°C — — 33 — — 33 — — 28 WPOWERDISSIPATION-55°C — — 33 — — 33 — — 28

RECOVERy1 — — 25 — — 25 — — 25 msSTEPLOADRESPONSE5,6,7 TRANSIENT — — ±450 — — ±450 — — ±450 mVpk50%-100%-50% RECOVERy — — 3 — — 3 — — 4 msSTEPLINERESPONSE1,5,8 19-50-19VINTRANSIENT — — ±500 — — ±500 — — ±600 mVpk


OVERSHOOT — — 50 — — 50 — — 95 mVpk

CAPACITIVELOAD1TC=25°C

UNCONDITIONALLySTABLE,START-UPDELAyINCREASED — — 5000 — — 5000 — — 5000 µF








sMrt single, dual and triple space dc-dc converters50 Volt input speciFications



SINGLEOUTPUTMODELS SMRT2812S SMRT2815SUNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE 11.76 12.00 12.24 14.70 15.00 15.30 VOUTPUTCURRENT 0.116 — 2.92 0.093 — 2.33 AOUTPUTPOWER 1.4 — 35 1.4 — 35 WOUTPUTRIPPLE TC=25°C — — 200 — — 180 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 200 — — 180

LINEREGULATION2 VIN=19TO50V — — 25 — — 30 mVVIN=19TO56V — — 50 — — 60

LOADREGULATION 5%-FL — — 70 — — 90 mVTOTALREGULATION1VOUT


10.9 — 13.1 14.0 — 16.0 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 VTRANSIENT1120ms — — 80 — — 80 V

INPUTCURRENT NOLOAD — — 100 — — 100 mAINHIBITED — — 55 — — 55

INPUTRIPPLECURRENT3 10kHz-20MHz — — 60 — — 60 mAp-pEFFICIENCy TC=25°C 72 — — 72 — — %

TC=-55°CTO+125°C 72 — — 72 — —

LOADFAULT4 POWERDISSIPATION+125°C — — 28 — — 28 WPOWERDISSIPATION-55°C — — 28 — — 28

RECOVERy1 — — 25 — — 25 msSTEPLOADRESPONSE5,6,7 TRANSIENT — — ±575 — — ±575 mVpk50%-100%-50% RECOVERy — — 3 — — 3 msSTEPLINERESPONSE1,5,8 19-50-19VINTRANSIENT — — ±700 — — ±700 mVpk


OVERSHOOT — — 120 — — 150 mVpkCAPACITIVELOAD1TC=25°C












DUALOUTPUTMODELS SMRT2805D SMRT2812D SMRT2815DUNITSPARAMETER CONDITIONS MIN TyP MAx MIN TyP MAx MIN TyP MAx

OUTPUTVOLTAGE VOUTA 4.90 5.00 5.10 11.76 12.00 12.24 14.70 15.00 15.30 VVOUTB 4.90 5.00 5.10 11.76 12.00 12.24 14.70 15.00 15.30

OUTPUTCURRENT2 VOUTA 0.12 — 3.0 0.06 — 1.46 0.05 — 1.17VOUTB 0.12 — 3.0 0.06 — 1.46 0.05 — 1.17 A

OUTPUTPOWER2 VOUTA 0.60 — 15 0.70 — 17.5 0.70 — 17.5 WVOUTB 0.60 — 15 0.70 — 17.5 0.70 — 17.5

OUTPUTRIPPLE TC=25°C — — 200 — — 170 — — 180 mVp-p10kHz-20MHz±VOUT TC=-55°CTO+125°C — — 200 — — 200 — — 180

LINEREGULATION3 VIN=19TO50V — — 30 — — 25 — — 30 mVVIN=19TO56V — — 60 — — 25 — — 60

LOADREGULATION 50VIN,5%-FL — — 70 — — 100 — — 70 mVTOTALREGULATION1VOUT


4.6 — 5.4 10.9 — 13.1 14.0 — 16.0 V

INPUTVOLTAGE CONTINUOUS 19 28 56 19 28 56 19 28 56 VTRANSIENT120ms — — 80 — — 80 — — 80 V


INPUTRIPPLECURRENT4 10kHz-20MHz — — 60 — — 60 — — 60 mAp-pEFFICIENCy TC=25°C 66 — — 72 — — 72 — — %

TC=-55°CTO+125°C 66 — — 72 — — 70 — —

LOADFAULT5 POWERDISSIPATION+125°C — — 33 — — 28 — — 28 WPOWERDISSIPATION-55°C — — 33 — — 28 — — 28

RECOVERy1 — — 25 — — 25 — — 25 msSTEPLOADRESPONSE6,7,8 TRANSIENT — — ±450 — — ±450 — — ±575 mVpk50%-100%-50% RECOVERy — — 3 — — 2 — — 3 msSTEPLINERESPONSE1,6,9

19-50-19VINTRANSIENT — — ±500 — — ±1000 — — ±700 mVpk


OVERSHOOT — — 50 — — 350 — — 150 mVpk



— — 5000 — — 5000 — — 5000 µF

Notes1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Thespecifiedmaximumcurrent/powerisavailablefromeachoutput.3.Lineregulationistestedatfullload.However,tomaintainregulationabove28voltsinput,aminimumloadisrequiredof0%at28voltsinputincreasinglinearlyto5%at56voltsinput.Appliestobothoutputs.


5.Maximumcombinedpowerdissipationwhenbothoutputsareshortedsimultaneously.


7.Steploadtestisperformedat10microsecondstypical.8.Halfloadto/fromfullload.9.Steplinetestisperformedat100microseconds±20microseconds.10.Measuredfromreleaseofinhibitorinputvoltagestep.11.Appliestoeachoutput.






OUTPUTVOLTAGE MAINANDPOS.AUx 3.23 3.30 3.37 11.76 12.00 12.24 VNEG.AUx. — — — -11.58 -12.00 -12.42

OUTPUTCURRENT2 0.18 — 4.5 ±0.04 ±0.63 11 AMAxTOTALAUx. — — — — — 1.25

OUTPUTPOWER2 0.60 — 15 0.48 ±7.5 121 WMAxTOTALAUx — — — — — 15


LINEREGULATION3 MAINANDPOS.AUx — — 30 — — 30 mVVIN=19TO50 NEG.AUx. — — — — — 70


LOADREGULATION MAIN&+AUx.,5%-FL — — 100 — — 120

BALANCEDAUx. -AUx.,5%-FL — — — — — 300 mV


ALLCONDITIONSOFLINE,LOAD,AGING,TEMPANDRADIATION 3.0 — 3.6 ±10.9 — ±13.1 V





INHIBITED — — 55 — — —INPUTRIPPLECURRENT6 10kHz-20MHz — — 60 — — — mAp-pEFFICIENCy7 TC=25°C 67 — — — — — %

TC=-55°CTO+125°C 67 — — — — —

LOADFAULT8 POWERDISSIPATION+125°C — — 35 — — — WPOWERDISSIPATION-55°C — — 35 — — —

RECOVERy1 — — 25 — — 25 msSTEPLOADRESPONSE9,10,11,12 TRANSIENT — — ±450 — — ±450 mVpk50%-100%-50% RECOVERy — — 3 — — 3 msSTEPLINERESPONSE1,9,13 19-50-19VINTRANSIENT — — ±500 — — ±750 mVpk


OVERSHOOT — — 50 — — 120 mVpk



NotesSeepage28







NotesSeepage28



OUTPUTCURRENT2 0.18 — 4.5 ±0.02 ±0.5 0.81 AMAxTOTALAUx. — — — — — 1.0





LOADREGULATION MAIN&+AUx.,50VIN,5%-FL — — 100 — — 120

BALANCEDAUx. -AUx.,50VIN,5%-FL — — — — — 300 mV








TC=-55°CTO+125°C 68 — — — — —


RECOVERy1 — — 25 — — 25 msSTEPLOADRESPONSE9,10,11,12 TRANSIENT — — ±350 — — ±350 mVpk50%-100%-50% RECOVERy — — 2.5 — — 2.5 msSTEPLINERESPONSE1,9,13 19-50-19VINTRANSIENT — — ±500 — — ±750 mVpk


OVERSHOOT — — 50 — — 150 mVpk







NotesSeepage28


OUTPUTVOLTAGE MAINANDPOS.AUx 4.90 5.00 5.10 6.86 7.00 7.14 VNEG.AUx. -6.79 7.00 -7.21

OUTPUTCURRENT2 0.12 — 3.0 ±0.04 ±1.00 1.61 AMAxTOTALAUx. — — — — — 2.0

OUTPUTPOWER2 0.60 — 15 0.28 ±7.0 11.21 WMAxTOTALAUx — — — — — 14













TC=-55°CTO+125°C 68 — — — — —


RECOVERy1 — — 25 — — 25 msSTEPLOADRESPONSE9,10,11,12 TRANSIENT — — ±300 — — ±400 mVpk50%-100%-50% RECOVERy — — 2 — — 2 msSTEPLINERESPONSE1,9,13 19-50-19VINTRANSIENT — — ±500 — — ±750 mVpk


OVERSHOOT — — 50 — — 70 mVpkCAPACITIVELOAD1,15TC=25°C







NotesSeepage28



OUTPUTCURRENT2 0.12 — 3.0 ±0.03 ±0.63 11 AMAxTOTALAUx — — — — — 1.25














TC=-55°CTO+125°C 70 — — — — —


RECOVERy1 — — 25 — — 25 msSTEPLOADRESPONSE9,10,11,12 TRANSIENT — — ±350 — — ±350 mVpk50%-100%-50% RECOVERy — — 2.5 — — 2.5 msSTEPLINERESPONSE1,9,13 19-50-19VINTRANSIENT — — ±500 — — ±750 mVpk










NotesSeepage28



OUTPUTCURRENT2 0.12 — 3.0 ±0.02 ±0.5 0.801 AMAxTOTALAUx. — — — — — 1














TC=-55°CTO+125°C 70 — — — — —


RECOVERy1 — — 35 — — 35 ms


RECOVERy — — 1.5 — — 1.5 msSTART-UP14 DELAy — — 25 — — 20 ms







NotesfortripleoutputmodelsonTable22throughTable26.

ElectricalCharacteristics:-55°Cto+125°Ccase,50Vin,100%load,unlessotherwisespecified.

1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.2.Uptothemaximumspecifiedauxiliaryoutputcurrent/powerisavailablefromeitherauxiliaryoutputprovidedthetotalauxiliaryoutputcurrentpowerdoesnotexceedthemaximumtotalcurrent/powerspecified.

3.Lineregulationistestedatfullload.However,tomaintainregulationabove28voltsinput,aminimumloadisrequiredof0%at28voltsinputincreasinglinearlyto5%at56voltsin.Loadpercentageappliestothemainoutputandalsotothesumoftheauxiliaries.

4.Tomaintainthecrossregulationspecification,oneoftheauxiliariesmustalwaysprovideaminimumof20%ofthetotalauxiliarypowerused.NegativeVoutcrossregulationisreferencedto50%/50%balancedloads(at100%oftotalratedoutputpower-fullload).

5.Crossregulationonlyaffectsthenegativeoutputoftheauxiliariesandismeasuredunderthefollowingconditions:Condition1:+POUT=20-80%,/-POUT=80-20%

Condition2:-POUT=20-80%,/+POUT=80-20%6.ConvertersmeetMIL-STD-461specificationrevisionsforconductedemissionsC-CE03andD-/E-/F-CE-102.Theactualvalueofinputripplecurrentismuchless,thelimitinthecharacteristictableisbasedonmeasurementresolution.

7.Efficiencymeasuredwithalloutputsatfullloadandisthecombinedefficiencyofalloutputs.8.Maximumcombinedpowerdissipationwhenallthreeoutputsareshortedsimultaneously.9.RecoverytimeismeasuredfromapplicationofthetransienttopointatwhichVOUTiswithin1%ofVOUTatfinalvalue10.Steploadtestisperformedat10microsecondstypical.11.Thesteploadspecificationforthenegativeauxiliaryoutputisguaranteedbyqualificationtest.Itisnotanin-linetest.12.Halfloadto/fromfullload.13.Steplinetestisperformedat100microseconds±20microseconds.14.Measuredfromreleaseofinhibitorinputvoltagestep.15.Appliestoeachauxiliary.

.





0.0

-100.0

-20.0

-40.0

-60.0

-80.0

100 1 k 10 k 100 k-34.3 dB

SMRTSingleAudioRejection

Attenuation(dB)

Frequency(Hz),28VIN

CE03 LIMIT

NARROWBAND90

70

50

30

10

.015 0.1 1 10 50

FIgure 8 SMRTSingleMIL-STD-461C,CE03

EmissionLevel(d

BµA

)

Frequency(MHz),28VIN

0.1 1 10.01

100

80

60

40

20

CE102 AC and DC Limits

FIgure 9 SMRTSingleMIL-STD-461D-F,CE102

EmissionLevel(d

BµV

)


FIgure 10





Typical performance ploTs: Vin as specified, 25°c case, 100% load, free run, unless oTherwise specified.These are examples for reference only and are noT guaranTeed specificaTions.

single output representatiVe plots

FIgure 11 SMRT2805SRepresentativeofSingleOutputLineTransient

100mV/div

20V/div Vin

Vout

100µs/div

Vin19TO56V,fullresistiveload

FIgure 13 SMRT2805SRepresentativeofSingleOutputLoadTransient

100mV/div

1ms/div

Load50-100-50%,28Vin

FIgure 15 SMRT2805SRepresentativeofSingleTurnOnDelay SMRT2805SRepresentativeofSingleTurnOnDelay

2V/div

20V/div

Vin

Vout

4ms/divFullresistiveload,28Vin

FIgure 12 SMRT2805SRepresentativeofSingleOutputLineTransient

100mV/div

20V/div Vin

Vout

100µs/divVin56to19V,fullresistiveload

FIgure 14 SMRT2805SRepresentativeofSingleOutputLoadTransient

100mV/div

1ms/div

Load50-100-50%,50Vin

FIgure 16

2V/div

20V/div

Vin

Vout

4ms/div

Fullresistiveload,50Vin






single output representatiVe plots

50

52

54

56

58

60

62

64

66

5 10 15 20 25

Eff

icie

nc

y (

%)

Output Power (Watts)

Efficiency

Vin=19 Vin=28 Vin=50 Vin=56

19 V

28 V

50 V 56 V

50

55

60

65

70

75

5 10 15 20 25 30

Eff

icie

nc

y (

%)


Efficiency


19 V

28 V

50 V56 V

50

55

60

65

70

75

80

5 10 15 20 25 30 35

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V 56 V

FIgure 17

FIgure 19

FIgure 21

FIgure 18

FIgure 20

FIgure 22

SMRT283R3SEfficiency

SMRT2805SEfficiency

SMRT288R7SEfficiency

SMRT283R3SGainPhase

SMRT2805SGainPhase

SMRT288R7SGainPhase

Efficiency(%

)Efficiency(%

)Efficiency(%

)

Gain(dB)

Gain(dB)

Gain(dB)

Phase(deg)

Phase(deg)

Phase(deg)

OutputPower(Watts)

OutputPower(Watts)

OutputPower(Watts)

Frequency(Hz),28VIN

Frequency(Hz),28VIN

Frequency(Hz),28VIN

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M13.0 kHz0.1 dB72.7 deg

90.0

45.0

M219.5 kHz-13.4 dB0.1 deg

GAIN

PHASE

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M14.9 kHz-0.1 dB72.4 deg

90.0

45.0

M218.9 kHz-14.1 dB0.2 deg

GAIN

PHASE

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M11.7 kHz0.1 dB76.2 deg

90.0

45.0

M213.5 kHz-17.3 dB0.0 deg

GAIN

PHASE






single output eFFiciency and gain pHase, all Models

50

55

60

65

70

75

80

5 10 15 20 25 30 35

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V56 V

50

55

60

65

70

75

80

85

5 10 15 20 25 30 35

Eff

icie

nc

y (

%)


Efficiency


19 V

28 V

50 V

56 V

FIgure 23 FIgure 24

FIgure 25 FIgure 26

SMRT2812SEfficiency

SMRT2815SEfficiency

SMRT2812SGainPhase

SMRT2815SGainPhase

Efficiency(%

)Efficiency(%

)

Gain(dB)

Gain(dB)

Phase(deg)

Phase(deg)

OutputPower(Watts)

OutputPower(Watts)

Frequency(Hz),28VIN

Frequency(Hz),28VIN

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M11.7 kHz-0.0 dB74.6 deg

90.0

45.0

M29.6 kHz-16.2 dB0.1 deg

GAIN

PHASE

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M1821.1 Hz0.0 dB66.7 deg

90.0

45.0

M214.4 kHz27.2 dB0.1 deg

GAIN

PHASE






single output eFFiciency and gain pHase, all Models

0.0

-100.0

-20.0

-40.0

-60.0

-80.0

100 1 k 10 k 100 k-20.0 dB

0.0

-100.0

-20.0

-40.0

-60.0

-80.0

100 1 k 10 k 100 k-21.6 dB

FIgure 27

FIgure 30 SMRTDualAudioRejection,VoutA SMRTDualAudioRejection,VoutB

Attenuation(dB)

Attenuation(dB)

Frequency(Hz),28VIN Frequency(Hz),28VIN

CE03 LIMIT

NARROWBAND90

70

50

30

10

.015 0.1 1 10 50

FIgure 28

SMRTDualMIL-STD-461C,CE03

EmissionLevel(d

BµA

)


0.1 1 10.01

100

80

60

40

20


FIgure 29

SMRTDualMIL-STD-461D-F,CE102

EmissionLevel(d

BµV

)







dual output representatiVe plots

FIgure 31 SMRT2812DRepresentativeofDualOutputLineTransient

200mV/div

20V/div

Vin

VoutA

VoutB

100µs/divVin19to56V,fullresistiveload

FIgure 32 SMRT2812DRepresentativeofDualOutputLineTransient

200mV/div

20V/div Vin

VoutA

100µs/div

Vin56to19V,fullresistiveload

VoutB

FIgure 33 SMRT2812DRepresentativeofDualOutputLoadTransient

200mV/div

VoutA

VoutB

1ms/div

Load50-100-50%,28Vin

FIgure 34

SMRT2812DRepresentativeofDualTurnOnDelay SMRT2812DRepresentativeofDualTurnOnDelay

5V/div

20V/div

Vin

VoutA

VoutB

4ms/div


FIgure 35

SMRT2812DRepresentativeofDualOutputLoadTransient

200mV/divVoutA

VoutB

1ms/div

Load50-100-50%,50Vin

FIgure 36

5V/div

20V/div

Vin

4ms/div


VoutA

VoutB






dual output representatiVe plots

50

55

60

65

70

75

5 10 15 20 25 30

Eff

icie

nc

y (

%)


Efficiency


19 V

28 V

50 V 56 V

50

55

60

65

70

75

80

5 10 15 20 25 30 35

Eff

icie

nc

y (

%)


Efficiency


19 V

28 V

50 V56 V

50

55

60

65

70

75

80

85

5 10 15 20 25 30 35

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V56 V

FIgure 37 FIgure 38

FIgure 41 FIgure 42

FIgure 39 FIgure 40

SMRT2805DEfficiency

SMRT2812DEfficiency

SMRT2815DEfficiency

SMRT2805DGainPhase

SMRT2812DGainPhase

SMRT2815DGainPhase

Efficiency(%

)Efficiency(%

)Efficiency(%

)

Gain(dB)

Gain(dB)

Gain(dB)

Phase(deg)

Phase(deg)

Phase(deg)

OutputPower(Watts)

OutputPower(Watts)

OutputPower(Watts)

Frequency(Hz),28VIN

Frequency(Hz),28VIN

Frequency(Hz),28VIN

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M15.0 kHz0.1 dB78.9 deg

90.0

45.0

M220.8 kHz-11.8 dB-0.0 deg

GAIN

PHASE

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M16.7 kHz-0.3 dB49.4 deg

90.0

45.0

M213.5 kHz-8.6 dB-0.1 deg

GAIN

PHASE

GAI

N (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

PHAS

E (d

eg)

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M14.7 kHz-0.1 dB60.2 deg

90.0

45.0

M215.4 kHz-13.8 dB0.2 deg

GAIN

PHASE






dual output eFFiciency and gain pHase, all Models

0.0

-100.0

-20.0

-40.0

-60.0

-80.0

100 1 k 10 k 100 k-42.5 dB

0.0

-100.0

-20.0

-40.0

-60.0

-80.0

100 1 k 10 k 100 k-34.9 dB

SMRTTripleAudioRejection,Main SMRTTripleAudioRejection,+Aux

Attenuation(dB)

Attenuation(dB)

Frequency(Hz),28VIN Frequency(Hz),28VIN

CE03 LIMIT

NARROWBAND90

70

50

30

10

.015 0.1 1 10 50

FIgure 43

FIgure 44

FIgure 45 FIgure 46

SMRTTripleMIL-STD-461C,CE03

EmissionLevel(d

BµA

)


0.1 1 10.01

100

80

60

40

20


SMRTTripleMIL-STD-461D-F,CE102

EmissionLevel(d

BµV

)







triple output representatiVe plots

200mV/div

20V/div Vin

Main

+Aux

100µs/div


200mV/div

20V/div Vin

Main

+Aux

100µs/div


-4.0%

-3.0%

-2.0%

-1.0%

0.0%

1.0%

2.0%

3.0%

20% 30% 40% 50% 60% 70% 80%

-Au

x V

olt

ag

e C

han

ge (

%)

Aux Load (%)

Cross Regulation (Vin = 28 Volts)

-55 C 25 C 125 C -55 C 25 C 125 C

-8.0%

-6.0%

-4.0%

-2.0%

0.0%

2.0%

4.0%

6.0%

8.0%

10.0%

20% 30% 40% 50% 60% 70% 80%

-Au

x V

olt

ag

e C

ha

ng

e (

%)

Aux Load (%)

Cross Regulation (Vin = 28 Volts)

-55 C 25 C 125 C -55 C 25 C 125 C

-5.0%

-4.0%

-3.0%

-2.0%

-1.0%

0.0%

1.0%

2.0%

3.0%

4.0%

20% 30% 40% 50% 60% 70% 80%

-Au

x V

olt

ag

e C

ha

ng

e (

%)

Aux Load (%)

Cross Regulation !"#$%&%'(%")*+,-%

-55 C 25 C 125 C -55 C 25 C 125 C

SMRT28515TCrossRegulationSMRT28507TCrossRegulationSMRT283R312TCrossRegulation

-AuxVoltageChange(%

)

-Aux Voltage Change(%

)

-Aux Voltage Change(%

)

+AuxLoad(%),28VIN+AuxLoad(%),28VIN+AuxLoad(%),28VIN-55°C25°C125°C-55°C25°C125°C-55°C25°C125°C

100mV/div

500mV/div

1ms/div

Load50-100-50%,28Vin

10V/div

10V/div

20V/div

50 V/div

2V/div

2V/div

Vin

4ms/div

Fullresistiveload,28VinSMRT283R312TRepresentativeofTripleOutputLoadTransient

100mV/div

500mV/div

1ms/div

Load50-100-50%,50Vin

4ms/div

Fullresistiveload,50VinSMRT283R312TRepresentativeofTripleOutputTurnOnDelay

SMRT283R312TRepresentativeofTripleOutputTurnOnDelay

SMRT283R312TRepresentativeofTripleOutputLoadTransient

SMRT283R312TRepresentativeofTripleOutputLineTransient

SMRT283R312TRepresentativeofTripleOutputLineTransient

FIgure 47 FIgure 48 FIgure 49



Main

MainMain

+Aux

+Aux

+Aux

-Aux

-Aux

-Aux

VinMain

+Aux

-Aux

-Aux20%fixed,+Aux20%to80%



-Aux20%to80%+Aux20%fixed









50

55

60

65

70

75

5 10 15 20 25 30

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V 56 V

SMRT283R312TEfficiency

Efficiency(%

)

OutputPower(Watts)

SMRT283R312TGainPhase,MainVoutRepresentativeofall3.3VMainmodels Representativeofall12V+Auxmodels

Frequency(Hz),28VIN

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

225.0

-225.0

180.0

135.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

90.0

45.0

0.0

M13.1 kHz-0.0 dB74.9 deg

M222.7 kHz-13.7 dB0.1 deg

GAIN

PHASE

Gain(dB)

Phase(deg)

SMRT283R312TGainPhase,+AuxFrequency(Hz),28VIN

Gai

n (d

B)

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

Phas

e (d

eg)

225.0

-225.0

180.0

135.0

90.0

45.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M11.0 kHz0.0 dB69.5 deg

M219.2 kHz-29.5 dB0.1 deg

GAIN

PHASE

Gain(dB)

Phase(deg)

FIgure 56

FIgure 57 FIgure 58







50

55

60

65

70

75

80

5 10 15 20 25 30

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V 56 V

SMRT28512TEfficiency

Efficiency(%

)

OutputPower(Watts)

50

55

60

65

70

75

5 10 15 20 25 30

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V56 V

SMRT28507TEfficiency

Efficiency(%

)

OutputPower(Watts)

SMRT28507TGainPhase,+AuxFrequency(Hz),28VIN

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M12.1 kHz-0.0 dB76.9 deg

90.0

45.0

M219.3 kHz-19.1 dB0.0 deg

GAIN

PHASE

Gain(dB)

Phase(deg)

50

55

60

65

70

75

5 10 15 20 25 30

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V 56 V

FIgure 59

FIgure 60 FIgure 61

FIgure 62

SMRT283R315TEfficiency

Efficiency(%

)

OutputPower(Watts)







50

55

60

65

70

75

80

5 10 15 20 25 30

Eff

icie

ncy (

%)


Efficiency


19 V

28 V

50 V 56 V

FIgure 63 SMRT28515TEfficiency

Efficiency(%

)

OutputPower(Watts)

FIgure 64

SMRT28515TGainPhase,MainVout

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M16.0 kHz-0.0 dB67.6 deg

90.0

45.0

M220.1 kHz-10.7 dB-0.1 deg

GAIN

PHASE

Gain(dB)

Phase(deg)

Frequency(Hz),28VIN

FIgure 65

SMRT28515TGainPhase,+Aux

50.0

-50.0

40.0

30.0

20.0

10.0

0.0

-10.0

-20.0

-30.0

-40.0

225.0

-225.0

180.0

135.0

0.0

-45.0

-90.0

-135.0

-180.0

100 1 k 10 kM1 M2

M1750.7 Hz0.0 dB65.8 deg

90.0

45.0

M218.3 kHz-31.9 dB-0.2 deg

GAIN

PHASE

Gain(dB)

Phase(deg)

Frequency(Hz),28VIN

Representativeofall5VMainmodels Representativeofall15V+Auxmodels







BOTTOM VIEW CASE S

Seal hole: 0.135 ±0.005 (3.43 ±0.13)Angled cornerindicates pin 16x 0.135 (3.43) dia.

12x 0.040 ± 0.002 dia.(1.02 ± 0.05)

1

2

3

4

5

14

13

12

11

10

9

8

1.700 (43.18)

1.500 (38.10)

1.300 (33.02)

1.100 (27.94)

0.900 (22.86)

0.700 (17.78)

0.500 (12.70)

3x 2.075 (52.68)

3x 0.125 (3.15)

2x 0

.150

(3.8

1)

0.00

0.00

2x 2

.550

(64.

77)

12x

0.27

0 m

ax (6

.86)

2x 1

.550

(39.

37)

0.00

MaterialsHeader Cold Rolled Steel/Nickel, Gold PlatedCover Kovar/NickelPins #52 alloy/gold, ceramic seal Gold plating of 50 - 150 microinches included in pin diameter Seal hole 0.123 ±0.002 (3.12 ±0.051)

Please refer to the numerical dimensions for accuracy. Case S, Rev F, 2017.09.06

Case dimensions in inches (mm)Tolerance ±0.005 (0.13) for three decimal places ±0.01 (0.3) for two decimal places unless otherwise specified

CAUTIONHeat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin

Weight: 100 gms maximum2.

705

max

(68.

71)

0.26

2 (6

.65)

1.67

5 (4

2.5)

2.205 max (56.01)

0.22

0 (5

.59)

0.05

0 (1

.27)

0.40

0 m

ax (1

0.16

)

FIgure 66: caSe S


Page41of44


SMRT28RevAK-2017.11.20www.craneae.com/interpoint

table 27: eleMent eValuatIOn

Tableisforreferenceonly.SeeindividualSeries'datasheetsforspecificscreening.

table 3: eleMent eValuatIOn Space dc-dc cOnVerterS prOtOtype, claSS h and claSS k

eleMent eValuation SPace dc-dc conVerterS PrototyPe, claSS h and claSS K

non-QMl 1 QMl

PrototyPe claSS h claSS K

coMPonent-leVel teSt PerforMed

/o /h /KM/S 2 M/S 2 P 3 M/S 2 P 3

ElementElectrical n n n n n

Visual n n n n

InternalVisual n n

TemperatureCycling n n

ConstantAcceleration n n

InterimElectrical n

Burn-in n

PostBurn-inElectrical n

SteadyStateLife n

VoltageConditioningAging n

VisualInspection n

FinalElectrical n n n n

WireBondEvaluation n n n n

SEM n

C-SAM:Inputcapacitorsonly4 n n

Notes1.Non-QMLproductsmaynotmeetalloftherequirementsofMIL-PRF-38534.2.M/S=Activecomponents(microcircuitandsemiconductordie)3.P=Passivecomponents,ClassHandKelementevaluation.Notapplicabletospaceprototype(“O”)elementevaluation.

4.AdditionaltestnotrequiredbyHorK.

DefinitionsElementEvaluation:Componenttesting/screeningperMIL-STD-883asdeterminedbyMIL-PRF-38534SEM:scanningelectronmicroscopyC-SAM:C–ModeScanningAcousticMicroscopy





table 28: enVIrOnMental ScreenIng and rha leVelS

Tableisforreferenceonly.SeeindividualSeries'datasheetsforspecificscreening.

table 4: enVIrOnMental ScreenIng Space dc-dc cOnVerterS prOtOtype, claSS h and claSS k, rha p, l and r

enVironMental Screening SPace dc-dc conVerterS PrototyPe, claSS h and claSS K, rha 1 P, l and r

non-QMl 2 QMl 3

PrototyPe claSS h claSS KteSt PerforMed /oo 4 /hP /hl /hr /KP /Kl /Krnon-destruct wire bond pull, Method 2023 n5 n5 n5 n n n

pre-cap inspection, Method 2017, 2032 n n n n n n n

temperature cycle (10 times)

Method1010,Cond.C,-65°Cto+150°C,ambient n n n n n n n

constant acceleration Method2001,3000g n n n n n n n

pind, test Method 2020, cond. a n5 n5 n5 n n n

pre burn-in test, group a, subgroups 1 and 4 n n5 n5 n5 n n n

burn-in Method 1015, +125°c case, typical 6

96hours n

160hours n n n

2x160hours(includesmid-BItest) n n n

Final electrical test, Mil-prF-38534, group a, Subgroups1and4:+25°Ccase n

Subgroups1through6,-55°C,+25°C,+125°Ccase n n n n n n

Hermeticity test, Method 1014GrossLeak,Cond.B2,Kr85 n n n

GrossLeak,Cond.C1,fluorocarbon n n n n

FineLeak,Cond.B1,Kr85 n n n

FineLeak,Cond.A2,helium n n n n

radiography, Method 2012 n n n

post radiography electrical test, +25°c case n5 n5 n5

Final visual inspection, Method 2009 n n n n n n n

rHa p: 30 krad(si) total dose 1, 7, 8 n n

rHa l: 50 krad(si) total dose 1, 7, 8 n n

rHa r: 100 krad(si) total dose 1, 7, 8 n n

see, let 86 MeV cm2/mg 1, 9 n n n n n n

TestmethodsarereferencedtoMIL-STD-883asdeterminedbyMIL-PRF-38534.Notes1.OurRedmondfacilityhasaDLAapprovedRHAplanforInterpointpowerproducts.OurSMDproductswithRHA“P”,“L”or“R”codemeetDLArequirements.

2.Non-QMLprototypeproductsmaynotmeetalloftherequirementsofMIL-PRF-38534.

3.AllprocessesareQMLqualifiedandperformedbycertifiedoperators.4.“O”intheRHAdesignatorpositioninInterpointmodelnumbersindicatesDLARHA“-”definedasnoRHA.

5.NotrequiredbyDLAbutperformedtoassureproductquality.6.Burn-intemperaturedesignedtobringthecasetemperatureto+125°Cminimum.Burn-inisapoweredtest.

7.Highdoseratetest.8.Lowdoseratetest.9.NodestructiveeventsorSEL.





Acronym DefinitionHDR high dose rateLDR low dose rateLET linear energy transferMeV megaelectron voltsRHA radiation hardness assuranceSEE single event effectSEGR single event gate ruptureSEL single event latch-upSET single event transientSEU single event upsetTID total ionizing dose

table 29: rha acrOnyMS


SMRT28Single,DualandTripleSMRT28RevAK-2017.11.20.Thisrevisionsupersedesallpreviousreleases.Alltechnicalinformationisbelievedtobeaccurate,butnoresponsibilityisassumedforerrorsoromissions.CraneElectronics,Inc.reservestherighttomakechangesthatdonotaffectform,fitorfunctionofClassHorKproductsorspecificationswithoutnotice.InterpointisaregisteredtrademarkofCraneCo.andSMRTSeriesisatrademarkofCraneElectronics,Inc.Copyright©2005-2017CraneElectronics,Inc.Allrightsreserved.www.craneae.com/interpoint

Page44of44


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