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Contents

README

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LM4040D50ILP

Texas Instruments · Voltage Reference · TO-92-3

LM4040D50ILP 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 * passive Must be left floating or connected to the anode; TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise.
2 CATHODE passive Parallel current/voltage input; cathode current must be supplied, with a recommended maximum of 15 mA and an absolute maximum continuous cathode current of 25 mA (-10 mA minimum).
3 ANODE passive General-purpose pin, normally connected to ground.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM4040D50ILP
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92-3 (KiCad packages3D, STEP)
  • 3D model files: lm4040d50ilp-etched.step / lm4040d50ilp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4040d50ilp.step / lm4040d50ilp.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (62 pp, sha256 68faec55d71e5cd5, retrieved 2026-10-08, 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-5-5 (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