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AP7381-28SA-7

Public Made by Adom

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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP7381-28SA-7

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

AP7381-28SA-7 from Diodes Incorporated, in a SOT-23. 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 Input voltage pin; recommended supply range is 3.3V to 40V, with an absolute maximum rating of -0.3V to 45V.
2 VOUT power_out Regulated output voltage pin; absolute maximum output voltage is -0.3V to 8V and output current is rated at 150mA.
3 GND power_in Ground reference pin for the regulator.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
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
Output Voltage Variation from Specified VOUT VOUT 98 102 % of VOUT 3
Input Voltage VIN 3.3 40 V 3
Current Limit ILIMIT 150 mA VOUT = 98% x VOUT, VIN = VOUT + 2V 3
Supply Input Voltage VIN 3.3 40 V 2
Operating Junction Temperature TJ -40 125 °C 2
Supply Input Voltage VIN -0.3 45 V 2
Output Voltage VOUT -0.3 8 V 2
Output Current IOUT 150 mA 2
Lead Temperature (Soldering, 10s) TLEAD 260 °C Soldering, 10s 2
Operating Junction Temperature TJ 150 °C 2
Storage Temperature Range TSTG -65 150 °C 2
CDM ESD (Charged Device Model) CDM 2000 V 2
HBM ESD (Human Body Model) HBM 4000 V 2
Thermal Resistance, Junction to Ambient θJA 167 °C/W SOT23 package 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing Abs HBM ESD (Human Body Model) 4000 V Note: 4. a). Stresses beyond those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and 2
contacts tin  Terminals: Finish Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 12

CAD (KiCad official)

  • Symbol: AP7381-28SA-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ap7381-28sa-7-etched.step / ap7381-28sa-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap7381-28sa-7.step / ap7381-28sa-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 657d25b1f48ab5dc, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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