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LM317AHVT - onsemi

Description: IC, Fairchild, LM317AHVT Fairchild Semiconductor LM317AHVT, LDO Voltage Regulator, Adjustable 1.5A, 1.2 → 57 V, 3-Pin TO-220

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LM317AHVT - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - LM317AHVT_
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LM317AHVT - onsemi  - 3D model - Transistor Outline, Vertical - LM317AHVT_
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LM317AHVT Details

  • Manufacturer Part Number:

    LM317AHVT

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-220-3

  • Package Description:

    TO-220, 3 PIN

  • Manufacturer Package Code:

    340AT

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    3 V

  • Input-Output Voltage Differential-Max:

    60 V

  • Input-Output Voltage Differential-Min:

    3 V

  • JESD-30 Code:

    R-XSFM-T3

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Line Regulation-Max (%/V):

    0.07

  • Load Regulation-Max(%):

    1.5%

  • 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:

    57 V

  • Output Voltage1-Min:

    1.2 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    RAIL

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    20 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Width:

    5 mm

LM317AHVT Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM317AHVT is 40V. Exceeding this voltage can cause damage to the device.
  • The output voltage of the LM317AHVT can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors and the reference voltage (1.25V).
  • The LM317AHVT requires a minimum load current of 3.5mA to regulate properly. If the load current is less than this, the output voltage may not be regulated accurately.
  • The LM317AHVT 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 device's power dissipation and output current at high temperatures.
  • To protect the LM317AHVT from input voltage transients, a capacitor (e.g., 10uF) can be connected between the input and ground. Additionally, a voltage clamp (e.g., a zener diode) can be used to limit the input voltage to a safe level.

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LM317AHVT Overview

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