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LM317LF AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM317LF product

LM317LF

Power Management (PMIC)

Linear RegulatorAdjustable100mA

The LM317LF is a 100mA adjustable positive linear voltage regulator in a SOT-89 package, suitable for general-purpose power regulation from 1.2V to 37V.

Best for

  • General purpose voltage regulation
  • Adjustable power supplies

Avoid if

  • Load current exceeds 100mA
  • High efficiency requirements (use switching regulators instead)

Check before use

  • Thermal dissipation requirements
  • External resistor values for desired output voltage

Key specifications

Output Current
100 mA
Output Voltage
1.2 V - 37 V
Input Voltage
Up to 40 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

Power Management

CAD Models

Download ECAD models for LM317LF: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The LM317LF is a 3-terminal adjustable positive voltage regulator capable of delivering over 100mA of output current with an adjustable output voltage range of 1.2V to 37V.