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HT7144

HX hengjiaxing · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3

HT7144 from HX hengjiaxing, in a SOT-23-3. 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 Chip ground reference (芯片接地端). Common return for VIN and VOUT.
2 VOUT power_out Regulated output (芯片输出端). Nominal 4.4V ±3% for HT7144; recommended 10µF bypass capacitor to GND. Typical IOUT 100mA, dropout ~100mV.
3 VIN power_in Unregulated supply input (启动输入端). Max input voltage 18V (absolute max 20V); recommended 10µF bypass capacitor to GND.

Key specifications

Parameter Value
Manufacturer HX hengjiaxing
Package SOT-23-3
Category PMIC
Pins 3

CAD (KiCad official)

  • Symbol: HT7144
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HX hengjiaxing datasheet (None pp, sha256 f85df5b519e43bae, retrieved 2026-08-17, 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: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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