component

LM4040AIM3X-2.0

Public Made by Adom

by adom

Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM4040AIM3X-2.0

Texas Instruments · Voltage Reference · SOT-23-3

LM4040AIM3X-2.0 from Texas Instruments, in a SOT-23-3. 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 Cathode bidirectional Shunt current/output voltage pin (2.048V reverse breakdown for the -2.0 option), operating reverse current 60µA to 15mA, 20mA absolute maximum reverse current.
2 Anode power_in Anode pin, normally connected to ground.
3 * passive Die-attach interface contact with a parasitic Schottky diode to pin 2; must be left floating or connected to pin 2 (anode), and TI recommends connecting it to the anode in high-EMI or high-frequency switching-noise applications.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-3
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: LM4040AIM3X-2.0
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: lm4040aim3x-2-0-etched.step / lm4040aim3x-2-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4040aim3x-2-0.step / lm4040aim3x-2-0.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (84 pp, sha256 5655b017c6397138, retrieved 2026-10-07, 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