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LM317AMDTX/NOPB - Texas Instruments

Description: 1% Accurate, 1.5A Adjustable Linear Regulator with Short Circuit Protection

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LM317AMDTX/NOPB - Texas Instruments PCB footprint - Other - Other - NDP0003B
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LM317AMDTX/NOPB - Texas Instruments  - 3D model - Other - NDP0003B
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LM317AMDTX/NOPB Details

  • Manufacturer Part Number:

    LM317AMDTX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-252

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    2.25 V

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3 V

  • Input-Output Voltage Differential-Max:

    40 V

  • Input-Output Voltage Differential-Min:

    3 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    6.58 mm

  • Line Regulation-Max (%/V):

    0.02

  • Load Regulation-Max(%):

    1%

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    37 V

  • Output Voltage1-Min:

    1.2 V

  • Output Voltage1-Nom:

    37 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    2.55 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.285 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Voltage Tolerance-Max:

    5%

  • Width:

    6.1 mm

LM317AMDTX/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage for the LM317 is 40V, but it's recommended to keep it below 35V for reliable operation.
  • The output voltage of the LM317 can be adjusted by using a resistive divider network between the output and the adjust pin. The formula to calculate the output voltage is Vout = 1.25 * (1 + R2/R1).
  • The minimum input voltage required for the LM317 to regulate the output voltage is 3V above the desired output voltage.
  • Yes, the LM317 can be used as a current regulator by adding a current-sensing resistor in series with the output. The current limit is determined by the voltage drop across the resistor.
  • To protect the LM317 from overheating, ensure good heat sinking, use a heat sink with a thermal resistance of less than 10°C/W, and keep the ambient temperature below 50°C.

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LM317AMDTX/NOPB Overview

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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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Part Image LM317MDT/NOPB National Semiconductor Corporation

Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

Part Image LM317MDTX/NOPB National Semiconductor Corporation

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Part Image LM317MDT National Semiconductor Corporation

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Part Image LM317AMDTX/NOPB National Semiconductor Corporation

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Part Image LM317AMDTX Texas Instruments

Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

For a full list of alternate parts for LM317AMDTX/NOPB, check out Findchips.com