component

LM3674MF-ADJ

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)lm3674mf-adjfactory-2.0.0extractor-text
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LM3674MF-ADJ

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

LM3674MF-ADJ 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 with recommended input voltage range from 2.7 V to 5.5 V; connect to input filter capacitor CIN.
2 GND power_in Ground pin.
3 EN input Enable input; device is in shutdown mode when voltage to this pin is < 0.4 V and enabled when > 1 V; do not leave this pin floating.
4 FB input Feedback analog input; for adjustable version, external resistor dividers are required (R1 and R2) to set output voltage.
5 SW output Switching node connection to the internal PFET switch and NFET synchronous rectifier; connect to inductor L1.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM3674MF-ADJ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lm3674mf-adj-etched.step / lm3674mf-adj-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm3674mf-adj.step / lm3674mf-adj.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 6f7dbf11124b325e, retrieved 2026-10-07, tier: lcsc)
  • 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