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AP7381-70Y-13

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

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AP7381-70Y-13

Diodes Incorporated · Linear Voltage Regulators (LDO) · SOT-89

AP7381-70Y-13 from Diodes Incorporated, in a SOT-89. 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 VOUT power_out Regulated output voltage; the absolute maximum output voltage is -0.3 V to 8 V and the output current is rated at 150 mA.
2 GND power_in Ground pin for the regulator, which the datasheet does not give a separate electrical limit for.
3 VIN power_in Input voltage with a recommended supply range of 3.3 V to 40 V and an absolute maximum rating of -0.3 V to 45 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-89
Category Power Management ICs
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
Supply Input Voltage VIN 3.3 40 V 2
Operating Junction Temperature TJ -40 125 °C 2
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 -0.3 45 V 2
Output Voltage VOUT -0.3 8 V 2
Output Current IOUT 150 mA 2
Lead Temperature TLEAD 260 ºC Soldering, 10s 2
Operating Junction Temperature TJ 150 ºC 2
Storage Temperature Range TSTG -65 150 ºC 2
CDM ESD (Charged Device Model) CDM ESD 2000 V 2
HBM ESD (Human Body Model) HBM ESD 4000 V 2
Thermal Resistance Junction-to-Ambient, SOT89 θJA 125 °C/W SOT89 package, JEDEC High-K board 2
Line Regulation △VOUT/∆VIN 0.05 %/V VOUT + 2V ≤ VIN ≤ 40V, IOUT = 10mA 3
Load Regulation △VOUT/VOUT 0.5 % 1mA ≤ IOUT ≤ 150mA 3
Dropout Voltage VDROP 1000 mV IOUT = 100mA @ VOUT = 3.3V 3
Ground Current IGND 2.5 µA IOUT = 0A 3
Ground Current IGND 25 µA IOUT = 100mA 3
Output Voltage Temperature Coefficient ∆VOUT/(VOUTx∆T) -100 100 ppm/°C IOUT = 100µA, -40°C ≤ TJ ≤ +125°C 3
Thermal Shutdown Temperature TOTSD 160 °C 3
Thermal Shutdown Hysteresis THYOTSD 20 °C 3
Power Supply Rejection Ratio PSRR 60 dB IOUT = 1mA, VOUT = 3.3V 3

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: AP7381-70Y-13
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: ap7381-70y-13-etched.step / ap7381-70y-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap7381-70y-13.step / ap7381-70y-13.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 2026-10-29, tier: manufacturer)
  • 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