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Contents

README

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LM350AT

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220

LM350AT from Texas Instruments, in a TO-220. 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 ADJ input Adjustment terminal; the regulator holds a nominal 1.25V reference between OUT and ADJ, ADJ pin current is typically 50 µA (100 µA max), and bypassing it to ground improves ripple rejection.
2 VOUT power_out Regulated output (also connected to the tab), adjustable down to 1.2V and capable of more than 3A with a 3A guaranteed current limit and a minimum load current of 3.5 mA typical (10 mA max).
3 VIN power_in Unregulated input; the input-to-output differential must not exceed 35V, and a 0.1 µF disc or 1 µF solid tantalum bypass is recommended.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TO-220
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: LM350AT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: lm350at-etched.step / lm350at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm350at.step / lm350at.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (23 pp, sha256 49f74b7e8fff3ad7, retrieved 2026-10-08, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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