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GR7344-A

Public Made by Adom

by adom

GR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GR7344-A

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

GR7344-A from GR, in a SOT-89-3. 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 GND power_in Chip ground terminal (芯片接地端) for the SOT89-3 package.
2 VIN power_in Input voltage pin (启动输入端); the datasheet gives a maximum input voltage of 15 V in the product selection table and an absolute maximum of 18 V.
3 VOUT power_out Regulated output pin (芯片输出端) that supplies the fixed output voltage, which is 4.4 V for this part with ±3% tolerance per the selection table.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
最大输入电压 (maximum input voltage) VIN 18 V 2
功耗 (power dissipation), SOT89-3 PD 300 mW SOT89-3 2
工作温度 (operating temperature) Tw -25 80 ℃ 2
存储温度 (storage temperature) Tc -50 125 ℃ 2
焊接温度 (soldering temperature) Th 260 ℃ 10s 2

CAD (KiCad official)

  • Symbol: GR7344-A
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: gr7344-a-etched.step / gr7344-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gr7344-a.step / gr7344-a.glb are the bare package body.

Provenance

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

  • Datasheet: GR datasheet (7 pp, sha256 bbeb598530dcbb50, retrieved 2026-10-17, 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: 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