component

LM317LCPWR

Public Made by Adom

by adom

Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM317LCPWR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSSOP-8

LM317LCPWR from Texas Instruments, in a TSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 INPUT power_in Input power supply voltage, requires minimum 2.5 V above output voltage for regulation operation
2 NC unconnected No internal connection; recommend grounding for improved thermal performance but not required
3 NC unconnected No internal connection; recommend grounding for improved thermal performance but not required
4 ADJUSTMENT input Output feedback voltage input with 1.256 V nominal reference voltage for output voltage regulation
5 NC unconnected No internal connection; recommend grounding for improved thermal performance but not required
6 OUTPUT power_out Regulated output voltage capable of supplying 2.5 to 100 mA continuous output current
7 NC unconnected No internal connection; recommend grounding for improved thermal performance but not required
8 NC unconnected No internal connection; recommend grounding for improved thermal performance but not required

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: LM317LCPWR
  • Footprint: Package_SO:TSSOP-8_3x3mm_P0.65mm
  • 3D model: TSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: lm317lcpwr-etched.step / lm317lcpwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm317lcpwr.step / lm317lcpwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (39 pp, sha256 d5c5d34eb4738e79, retrieved 2026-10-03, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF