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LM337T - Texas Instruments

Description: TEXAS INSTRUMENTS - LM337T - V REG ADJ -1.2/37V, TO-220-3, 337

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LM337T - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - LM337T-1
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LM337T - Texas Instruments  - 3D model - Transistor Outline, Vertical - LM337T-1
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LM337T Details

  • Manufacturer Part Number:

    LM337T

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1989-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    2.4 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:

    R-PSFM-T3

  • JESD-609 Code:

    e0

  • Length:

    14.986 mm

  • Line Regulation-Max (%/V):

    0.07

  • Load Regulation-Max(%):

    1.5%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    -1.2 V

  • Output Voltage1-Min:

    -37 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • 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:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    2.4%

  • Width:

    10.16 mm

LM337T Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM337T is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure stability of the output voltage, a minimum output capacitance of 10uF is recommended. Additionally, the output capacitor should have an ESR (Equivalent Series Resistance) of less than 5 ohms.
  • The LM337T is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
  • To protect the LM337T from input voltage transients, a TVS (Transient Voltage Suppressor) diode can be used in parallel with the input capacitor. This will help to clamp the input voltage and prevent damage to the device.
  • No, the LM337T is a linear voltage regulator and is not suitable for use in switching regulator applications. It's designed to provide a stable output voltage in linear regulator configurations.

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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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