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LM137/LM337 3-Terminal Adjustable Negative Regulators (Rev. E)

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  • ( )OUT ADJR

    V V I R2

    1.25 1 2120

    - = - + + -

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    LM137, LM337-NSNVS778E MAY 1999REVISED JANUARY 2016

    LM137, LM337-N 3-Terminal Adjustable Negative Regulators1 Features 3 Description

    The LM137 and LM337-N are adjustable 3-terminal1 1.5-A Output Current

    negative voltage regulators capable of supplying Line Regulation 0.01%/V (Typical) 1.5 A or more currents over an output voltage range Load Regulation 0.3% (Typical) of 1.25 V to 37 V. It requires only two external

    resistors to set the output voltage and one output 77-dB Ripple Rejectioncapacitor for frequency compensation. The circuit 50 ppm/C Temperature Coefficient design has been optimized for excellent regulation

    Thermal Overload Protection and low thermal transients. Further, the LM137 andLM337-N feature internal current limiting, thermal Internal Short-Circuit Current Limiting Protectionsshutdown and safe-area compensation, making itvirtually blowout-proof against overloads.2 ApplicationsThe LM137 and LM337-N are ideal complements to Industrial Power Suppliesthe LM117 and LM317 adjustable positive regulators. Factory Automation Systems The LM137 has a wider operating temperature range

    Building Automation Systems than the LM337-N and is also offered in military and PLC Systems space qualified versions. Instrumentation

    Device Information(1) IGBT Drive Negative Gate SuppliesPART NUMBER PACKAGE BODY SIZE (NOM)

    NetworkingLM137 TO (3) 8.255 mm 8.255 mm

    Set-Top Boxes SOT-223 (4) 3.50 mm 6.50 mmLM337-N TO (3) 8.255 mm 8.255 mm

    TO-220 (3) 10.16 mm 14.986 mm

    (1) For all available packages, see the orderable addendum atthe end of the data sheet. The LF01 is a lead formed (bent)version of the TO-220 package.

    Adjustable Negative Voltage Regulator

    Full output current not available at high input-output voltages

    C1 = 1-F solid tantalum or 10-F aluminum electrolytic required for stability*C2 = 1-F solid tantalum is required only if regulator is more than 4 from power-supply filter capacitorOutput capacitors in the range of 1-F to 1000-F of aluminum or tantalum electrolytic are commonly used to provideimproved output impedance and rejection of transients

    1

    An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,intellectual property matters and other important disclaimers. PRODUCTION DATA.

    http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-n

  • LM137, LM337-NSNVS778E MAY 1999REVISED JANUARY 2016 www.ti.com

    Table of Contents1 Features .................................................................. 1 8 Application and Implementation ........................ 12

    8.1 Application Information............................................ 122 Applications ........................................................... 18.2 Typical Applications ................................................ 123 Description ............................................................. 1

    9 Power Supply Recommendations ...................... 164 Revision History..................................................... 210 Layout................................................................... 165 Pin Configuration and Functions ......................... 3

    10.1 Layout Guidelines ................................................. 166 Specifications......................................................... 410.2 Layout Example .................................................... 166.1 Absolute Maximum Ratings ...................................... 410.3 Thermal Considerations ........................................ 176.2 ESD Ratings.............................................................. 4

    11 Device and Documentation Support ................. 186.3 Recommended Operating Conditions....................... 411.1 Documentation Support ........................................ 186.4 Thermal Information .................................................. 411.2 Related Links ........................................................ 186.5 Electrical Characteristics........................................... 511.3 Community Resources.......................................... 186.6 Typical Characteristics .............................................. 611.4 Trademarks ........................................................... 187 Detailed Description .............................................. 811.5 Electrostatic Discharge Caution............................ 187.1 Overview ................................................................... 811.6 Glossary ................................................................ 187.2 Functional Block Diagram ......................................... 8

    12 Mechanical, Packaging, and Orderable7.3 Feature Description................................................... 8Information ........................................................... 187.4 Device Functional Modes........................................ 10

    4 Revision History

    Changes from Revision D (April 2013) to Revision E Page

    Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementationsection, Power Supply Recommendations section, Layout section, Device and Documentation Support section, andMechanical, Packaging, and Orderable Information section. ................................................................................................. 1

    Deleted soldering information from Absolute Maximum Ratings ........................................................................................... 4

    Changes from Revision C (April 2013) to Revision D Page

    Changed layout of National Data Sheet to TI format ............................................................................................................. 7

    2 Submit Documentation Feedback Copyright 19992016, Texas Instruments Incorporated

    Product Folder Links: LM137 LM337-N

    http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-nhttp://www.ti.comhttp://www.go-dsp.com/forms/techdoc/doc_feedback.htm?litnum=SNVS778E&partnum=LM137http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-n

  • LM137, LM337-Nwww.ti.com SNVS778E MAY 1999REVISED JANUARY 2016

    5 Pin Configuration and Functions

    TO Metal Can PackageTO-220 Plastic Package 3-Pin Package Number NDT0003A

    Package Number NDE0003B Bottom ViewFront View

    SOT-2233-Lead Package Marked N02A

    Front View

    Pin FunctionsPIN

    I/O DESCRIPTIONNAME TO-220 TO SOT-223ADJ 1 1 1 Adjust pinVIN 2, TAB 3, CASE 2, 4 I Input voltage pin for the regulatorVOUT 3 2 3 O Output voltage pin for the regulator

    Copyright 19992016, Texas Instruments Incorporated Submit Documentation Feedback 3

    Product Folder Links: LM137 LM337-N

    http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-nhttp://www.ti.comhttp://www.go-dsp.com/forms/techdoc/doc_feedback.htm?litnum=SNVS778E&partnum=LM137http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-n

  • LM137, LM337-NSNVS778E MAY 1999REVISED JANUARY 2016 www.ti.com

    6 Specifications

    6.1 Absolute Maximum RatingsMIN MAX UNIT

    Power dissipation Internally LimitedInput-output voltage differential 0.3 40 V

    LM137 55 150Operating junction temperature LM337-N 0 125 C

    LM337I 40 125Storage temperature, Tstg 65 150 C

    6.2 ESD RatingsVALUE UNIT

    V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) 2000 V

    (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Pins listed as 2000V may actually have higher performance.

    6.3 Recommended Operating Conditionsover operating free-air temperature range (unless otherwise noted)

    MIN MAX UNITLM137 55 150

    Operating junction temperature LM337-N 0 125 CLM337I 40 125

    6.4 Thermal InformationLM137 LM337-NNDT NDT DCY NDE OR NDGTHERMAL METRIC (1) UNIT(TO) (TO) (SOT-223) (TO-220)

    3 PINS 3 PINS 3 PINS 3 PINSRJA Junction-to-ambient thermal resistance 140 (2) 140 (2) 58.3 22.9 C/WRJC(top) Junction-to-case (top) thermal resistance 12 12 36.6 15.7 C/WRJB Junction-to-board thermal resistance 7.2 4.1 C/WJT Junction-to-top characterization parameter 1.3 2.4 C/WJB Junction-to-board characterization parameter 7 4.1 C/WRJC(bot) Junction-to-case (bottom) thermal resistance 1 C/W

    (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics applicationreport, SPRA953.

    (2) No heat sink.

    4 Submit Documentation Feedback Copyright 19992016, Texas Instruments Incorporated

    Product Folder Links: LM137 LM337-N

    http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-nhttp://www.ti.comhttp://www.ti.com/lit/pdf/spra953http://www.go-dsp.com/forms/techdoc/doc_feedback.htm?litnum=SNVS778E&partnum=LM137http://www.ti.com/product/lm137?qgpn=lm137http://www.ti.com/product/lm337-n?qgpn=lm337-n

  • LM137, LM337-Nwww.ti.com SNVS778E MAY 1999REVISED JANUARY 2016

    6.5 Electrical CharacteristicsUnless otherwise specified, these specifications apply 55C Tj 150C for the LM137, 0C Tj 125C for the LM337-N;VIN VOUT = 5 V; and IOUT = 0.1 A for the TO package and IOUT = 0.5 A for the SOT-223 and TO-220 packages. Althoughpower dissipation is internally limited, these specifications are applicable for power dissipations of 2 W for the TO and SOT-223, and 20 W for the TO-220.