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ua78l12aclpm-etched.step ua78l12aclpm: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 2d ago
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UA78L12ACLPM

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-92-3

UA78L12ACLPM from Texas Instruments, in a TO-92-3. 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 OUTPUT output 12V regulated output pin; provides up to 100 mA with 0.1µF bypass capacitor recommended.
2 COMMON power_in Ground/common return pin.
3 INPUT input Positive supply input; operating range 14.5 V to 27 V with 0.33µF bypass capacitor recommended.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TO-92-3
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: UA78L12ACLPM
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92-3 (KiCad packages3D, STEP)
  • 3D model files: ua78l12aclpm-etched.step / ua78l12aclpm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ua78l12aclpm.step / ua78l12aclpm.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (47 pp, sha256 223d628010f1d8e3, retrieved 2026-09-26, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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