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LM317LZ - STMicroelectronics

Description: Low current 1.2 to 37 V adjustable voltage regulators

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LM317LZ - STMicroelectronics - PCB symbol
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PCB Footprints
LM317LZ - STMicroelectronics PCB footprint - Other - Other - LM317LZ-1
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3D Models
LM317LZ - STMicroelectronics - 3D model - Other - LM317LZ-1
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LM317LZ Details

  • Manufacturer Part Number:

    LM317LZ

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-92

  • Package Description:

    ROHS COMPLIANT, TO-92, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.6

  • 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-XBCY-T3

  • JESD-609 Code:

    e3

  • 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:

    0.1 A

  • Output Voltage1-Max:

    37 V

  • Output Voltage1-Min:

    1.2 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-92

  • Package Equivalence Code:

    SIP3,.1,50

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CYLINDRICAL

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

LM317LZ Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LM317LZ to operate is 3V, but it's recommended to have at least 4.2V to ensure proper regulation.
  • While the LM317LZ can handle up to 1.5A of output current, it's not recommended for high-current applications due to thermal limitations. For high-current applications, consider using a heat sink or a more suitable regulator.
  • The output voltage of the LM317LZ 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 = 1.25V * (1 + R2/R1), where R1 and R2 are the resistors in the divider network.
  • The adjust pin is used to adjust the output voltage of the regulator. It's connected to the center tap of a resistive divider network that sets the output voltage. The adjust pin is also used to provide a feedback path for the internal error amplifier.
  • No, the LM317LZ is a linear regulator and is not suitable for switching regulator applications. It's designed to operate in a linear mode, and using it in a switching regulator application can lead to instability and poor performance.

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LM317LZ 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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For a full list of alternate parts for LM317LZ, check out Findchips.com