component

LM2940IMPX-12

Public Made by Adom

by adom

Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)lm2940impx-12factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs lm2940impx-12: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain… · Ray 25d ago
viewers lm2940impx-12: viewers · Ray 1mo ago
lm2940impx-12-etched.fit.json lm2940impx-12: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
lm2940impx-12-etched.glb lm2940impx-12: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain… · Ray 25d ago
lm2940impx-12-etched.step lm2940impx-12: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain… · Ray 25d ago
lm2940impx-12.glb Publish 0.1.0 · Ray 1mo ago
lm2940impx-12.kicad_mod Publish 0.1.0 · Ray 1mo ago
lm2940impx-12.kicad_sym Publish 0.1.0 · Ray 1mo ago
lm2940impx-12.lbr Publish 0.1.0 · Ray 1mo ago
lm2940impx-12.step Publish 0.1.0 · Ray 1mo ago
package.json lm2940impx-12: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain… · Ray 25d ago
page.json lm2940impx-12: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain… · Ray 25d ago
README.md Initial commit: component/lm2940impx-12 · Ray 1mo ago

LM2940IMPX-12

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-4

LM2940IMPX-12 from Texas Instruments, in a SOT-223-4. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN input Unregulated input voltage; recommended operating range 6 V to 26 V.
2 GND power_in Ground reference.
3 OUT output Regulated 12 V output voltage; requires minimum 22 µF output capacitor for stability.
4 GND power_in Ground reference.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223-4
Category Power Management (PMIC)
Pins 4

CAD (KiCad official)

  • Symbol: LM2940IMPX-12
  • Footprint: Package_TO_SOT_SMD:SOT-223
  • 3D model: SOT-223-4 (KiCad packages3D, STEP)
  • 3D model files: lm2940impx-12-etched.step / lm2940impx-12-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2940impx-12.step / lm2940impx-12.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (45 pp, sha256 f4a968a61431b593, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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