LM317 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM317 product

LM317

Linear Voltage Regulators

Voltage RegulatorAdjustableLinear Regulator

The LM317 is a versatile, adjustable 3-terminal positive voltage regulator capable of delivering up to 1.5A output current across a 1.2V to 37V range.

Best for

  • General purpose voltage regulation
  • Adjustable power supplies

Avoid if

  • Applications requiring ultra-low dropout voltage (LDOs are better)

Check before use

  • Thermal dissipation requirements for the SOT-223 package

Key specifications

Output Voltage
1.2V - 37V
Max Current
1.5A
Input Voltage
40V

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial Controls

CAD Models

Download ECAD models for LM317: 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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Alternative components

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

Design and risk insights

Questions & answers

The LM317 is a monolithic integrated circuit that functions as an adjustable positive voltage regulator, providing a stable output voltage from 1.2V to 37V.