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Showing 34 results View by: Thread Post Sort by
    Answered
  • LM137: Thermal Limiting

    Steve Widener
    Steve Widener
    Resolved
    Part Number: LM137 Tool/software: I have a couple of questions regarding your TI Part, LM137H: (NDT, TO package) 1. What is maximum junction temperature where thermal overload protection occurs? Is it 150 or 165 deg c? The datasheet indicates power…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • LM117HVQML-SP: LM117/LM137 QML SP SEE Data

    Lucas PERBET
    Lucas PERBET
    TI Thinks Resolved
    Part Number: LM117HVQML-SP Tool/software: Hi, Do you have any SEE data regarding the LM117HRLQMLV and the LM137H1PQMLV ? Best regards
    • over 1 year ago
    • Power management
    • Power management forum
  • LM137: Junction-to-board thermal resistance

    Ken Flanagan
    Ken Flanagan
    TI Thinks Resolved
    Part Number: LM137 Hi, I'm trying to find the junction-to-board thermal resistance for the LM137 voltage regulator. In table 6.4 of it's datasheet (here) , there is no data for this row. Could someone help me find an appropriate value? Thank you very…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM137: LM137K/883 Texas Instruments and LM137K of National Semiconductor?

    Massimo Fiori
    Massimo Fiori
    TI Thinks Resolved
    Part Number: LM137 Could I consider LM137K/883 like replacement of LM137K of National Semiconductor? Massimo
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM137: Designing with LM137

    Shibin Varghese
    Shibin Varghese
    Resolved
    Part Number: LM137 Hi Team, I'm designing a -15V power supply for my circuit with LM137. My input is -15.5V. The maximum load current is about 500mA. R1=120 Ohm and R2 is 1.31K Is there any problem with the design?. Also, I want to know Why capacitor…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • LM137: lm137 power dissipation

    Rajan Bedi
    Rajan Bedi
    TI Thinks Resolved
    Part Number: LM137 Hello, I would like to check something please: If the input to the LM137 is -7V, the output -5V and the load current 1A, will the device's power consumption be ~ ¦(-7 - -5)*1¦ = 2W? thank you
    • over 6 years ago
    • Power management
    • Power management forum
  • LM137: Certificate of origin for LM137H

    Albert Chuang
    Albert Chuang
    TI Thinks Resolved
    Part Number: LM137 Hi TIer, Could you provide a certificate of origin for LM137H? My customer would like to know LM137H made in which country, thank you.
    • over 5 years ago
    • Power management
    • Power management forum
  • WEBENCH® Tools/LM137: LM137

    Raza Shah
    Raza Shah
    TI Thinks Resolved
    Part Number: LM137 Other Parts Discussed in Thread: LM317 Tool/software: WEBENCH® Design Tools As er the description of LM137 it has adjustable output range of -1.2 to -37V . An di need -0.55V for one of my IC so is it possible that output of LM137 is…
    • over 8 years ago
    • Power management
    • Power management forum
  • Answered
  • LM137: Current limit of TO3 package

    Francesco Buonomo2
    Francesco Buonomo2
    Resolved
    Part Number: LM137 Which is the current limit of TO3 package without dissipation if I have input voltage of -4.25V and output voltage of -1.25V. The Vin-Vout<15V so the current limit in the datasheet is between 0.5A and 1.8A. With thermal dissipation…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LM137: Lead finish for LM137K/883?

    Dave Kirkpatrick
    Dave Kirkpatrick
    Resolved
    Part Number: LM137 I'm trying to determine the lead finish of this device. The datasheet just says "call TI".
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
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