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Contents

README

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HT7144-1

FOSAN · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L

HT7144-1 from FOSAN, in a SOT-89-3L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference, provides the negative return path for the regulator.
2 Vi power_in Input voltage supply with operating range of 5.4 V to 24 V and absolute maximum rating of 30 V.
3 Vo power_out Regulated output voltage of 4.4 V nominal (4.312-4.488 V range) at IO=10 mA and VI=6.4 V, capable of supplying up to 100 mA.

Key specifications

Parameter Value
Manufacturer FOSAN
Package SOT-89-3L
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: HT7144-1
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: ht7144-1-etched.step / ht7144-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht7144-1.step / ht7144-1.glb are the bare package body.

Provenance

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

  • Datasheet: FOSAN datasheet (7 pp, sha256 3a07afa3fd34fc11, retrieved 2026-09-21, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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