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LM317P - STMicroelectronics

Description: LM317P, Voltage Regulator, 1.5A Adjustable 1.2 → 37 V, 3-Pin TO-220FP

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LM317P - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220FP_1-ren1
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LM317P - STMicroelectronics  - 3D model - Transistor Outline, Vertical - TO-220FP_1-ren1
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LM317P Details

  • Manufacturer Part Number:

    LM317P

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-220FP

  • Package Description:

    TO-220FP, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.01

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    3 V

  • Input-Output Voltage Differential-Max:

    40 V

  • Input-Output Voltage Differential-Min:

    3 V

  • JESD-30 Code:

    R-XSFM-T3

  • JESD-609 Code:

    e4

  • Length:

    10.2 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:

    37 V

  • Output Voltage1-Min:

    1.2 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1ISO-TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    20 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.55 mm

  • Terminal Position:

    SINGLE

  • Width:

    4.5 mm

LM317P Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LM317P to operate is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage would be 8V.
  • To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended. Additionally, the input capacitor should be at least 10uF to prevent oscillations.
  • The maximum current that the LM317P can deliver is 1.5A. However, it's recommended to derate the current to 1A or less to ensure reliable operation.
  • No, the LM317P is designed to regulate positive voltages only. If you need to regulate a negative voltage, you would need to use a different regulator, such as the LM337.
  • The output voltage of the LM317P 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).

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LM317P Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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