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LM4050QBIM3-5.0

Public Made by Adom

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

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LM4050QBIM3-5.0

Texas Instruments · Voltage Reference · SOT-23-3

LM4050QBIM3-5.0 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 passive Shunt current and input voltage pin; the reference regulates the voltage between cathode and anode, and the datasheet limits reverse current to 20 mA absolute maximum with a 15 mA maximum operating current for all versions.
2 Anode passive Common pin, usually grounded, that serves as the return for the reference; the datasheet limits forward current to 10 mA absolute maximum.
3 NC unconnected No internal connection; this pin must be left floating or connected to pin 2 (anode), and TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise because of a parasitic Schottky diode between pins 2 and 3 in the SOT-23 package.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM4050QBIM3-5.0
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: lm4050qbim3-5-0-etched.step / lm4050qbim3-5-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4050qbim3-5-0.step / lm4050qbim3-5-0.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (47 pp, sha256 02a99aa1f022863b, 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