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LM137H/NOPB - Texas Instruments

Description: Linear Voltage Regulator IC Negative Adjustable 1 Output 1.5A TO-3

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LM137H/NOPB - Texas Instruments PCB footprint - Other - Other - LM137H/NOPB-1
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LM137H/NOPB Details

  • Manufacturer Part Number:

    LM137H/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-39

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    3 V

  • Input Voltage-Max:

    4.2 V

  • Input Voltage-Min:

    40 V

  • Input-Output Voltage Differential-Max:

    40 V

  • Input-Output Voltage Differential-Min:

    3 V

  • JESD-30 Code:

    O-MBCY-W3

  • JESD-609 Code:

    e4

  • Length:

    8.255 mm

  • Line Regulation-Max (%/V):

    0.05

  • Load Regulation-Max(%):

    1%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -55 °C

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    -1.2 V

  • Output Voltage1-Min:

    -37 V

  • Package Body Material:

    METAL

  • Package Code:

    TO-39

  • Package Equivalence Code:

    CAN3/4,.2

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    4.7 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    WIRE

  • Terminal Pitch:

    4.699 mm

  • Terminal Position:

    BOTTOM

  • Voltage Tolerance-Max:

    4%

  • Width:

    8.255 mm

LM137H/NOPB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM137H is 1.5W. However, it's recommended to keep the junction temperature below 150°C to ensure reliable operation.
  • To ensure stability, it's essential to use a minimum output capacitance of 10uF, and a maximum ESR of 5 ohms. Additionally, the input capacitor should be at least 10uF with an ESR of 5 ohms or less.
  • The recommended input voltage range for the LM137H is 3.5V to 40V. Operating the device outside this range may affect its performance and reliability.
  • Yes, the LM137H can be used as a current source. The device has a built-in current limiting feature that allows it to operate as a current source. However, the output current should not exceed the maximum rating of 1.5A.
  • To protect the LM137H from overvoltage and undervoltage conditions, it's recommended to use a voltage supervisor or a reset IC to monitor the input voltage and reset the device if it falls outside the recommended range.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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