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LM317LZG - onsemi

Description: Internal Thermal Overload Protection; Output Current in Excess of 100 mA; Output Transistor Safe-Area Compensation; Internal Short Circuit Current Limiting; Standard 3-Lead Transistor Package; Eliminates Stocking Many Fixed Voltages; Output Adjustable Between 1.2 V and 37 V; Floating Operation for High Voltage Applications; Pb-Free Packages are Available; NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes

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PCB Footprints
LM317LZG - onsemi PCB footprint - Other - Other - LM317LZG-2
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LM317LZG - onsemi  - 3D model - Other - LM317LZG-2
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LM317LZG Details

  • Manufacturer Part Number:

    LM317LZG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-92 (TO-226) 5.33mm Body Height

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-10

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • 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:

    O-PBCY-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:

    PLASTIC/EPOXY

  • Package Code:

    TO-92

  • Package Equivalence Code:

    SIP3,.1,50

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Packing Method:

    BAG

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

LM317LZG Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LM317LZG to function properly is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage should be at least 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. Proper PCB layout and decoupling capacitors can also help prevent oscillations.
  • The maximum current that the LM317LZG can handle is 1.5A. However, it's recommended to derate the current to 1A or less to ensure reliable operation and prevent overheating.
  • The output voltage of the LM317LZG can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage can be calculated using the formula: Vout = 1.25 * (1 + R2/R1), where R1 and R2 are the resistors in the divider network.
  • The thermal shutdown temperature of the LM317LZG is typically around 150°C. If the junction temperature exceeds this value, the regulator will shut down to prevent damage.

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LM317LZG Overview

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Part Image LM317LZREG onsemi

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Part Image LM317LZRA Motorola Semiconductor Products

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Part Image LM317LZX onsemi

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Part Image LM317LZRE onsemi

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Part Image LM317LZXA Fairchild Semiconductor Corporation

Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PBCY3

For a full list of alternate parts for LM317LZG, check out Findchips.com