component

LM3671MF-1.375

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)lm3671mf-1.375factory-2.0.0extractor-text
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LM3671MF-1.375

Texas Instruments · DC-DC Converters · SOT-23-5

LM3671MF-1.375 from Texas Instruments, in a SOT-23-5. 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 VIN power_in Power supply input operating from 2.7V to 5.5V; connect to input filter capacitor.
2 GND power_in Ground reference pin.
3 EN input Digital enable input; device in shutdown mode when voltage < 0.4V, enabled when > 1V; do not leave floating.
4 FB input Feedback analog input for output voltage sensing; connect directly to output filter capacitor for fixed voltage versions or external resistor divider for adjustable versions.
5 SW output Switching node connected to internal PFET and NFET synchronous rectifier; connect inductor for buck converter operation.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: LM3671MF-1.375
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lm3671mf-1-375-etched.step / lm3671mf-1-375-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm3671mf-1-375.step / lm3671mf-1-375.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 527fd5351bf8a9da, 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