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AP7387Q-33Y-13

Diodes Incorporated · Linear Voltage Regulators (LDO) · SOT-89-3

AP7387Q-33Y-13 from Diodes Incorporated, 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 VOUT power_out Regulated output voltage of the LDO, which is specified for fixed 3.0V to 5V output versions and up to 150mA output current.
2 GND power_in Ground reference pin that should be connected to the external circuit ground to reduce voltage drop from trace impedance.
3 VIN power_in Input voltage pin with a recommended supply range of 5V to 60V and an absolute maximum rating of 80V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-89-3
Category Power Management
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
Input Voltage VIN 5 60 V 4
Quiescent Current IGND 2 5 µA VIN = 12V, No Load 4
Output Voltage accuracy (printed ±2%; table gives VOUTx98% to VOUTx102%) VOUT -2 2 % VIN = 12V, IOUT = 10mA 4
Output Current (maximum) IOUT_MAX 150 mA 4
Dropout Voltage VDROP 350 500 mV IOUT = 50mA, VOUT = VOUTNOM, 0.1V 4
Dropout Voltage VDROP 700 1000 mV IOUT = 100mA, VOUT = VOUTNOM, 0.1V 4
Dropout Voltage VDROP 1100 1600 mV IOUT = 150mA, VOUT = VOUTNOM, 0.1V 4
Load Regulation △VOUT(△IOUT) 0.02 0.03 %/mA VIN = 12V, 1mA ≤ IOUT ≤ 150mA 4
Line Regulation △VOUT/∆VIN 0.01 0.02 %/V VOUTNOM + 0.5V ≤ VIN ≤ 60V, IOUT = 1mA 4
Supply Input Voltage (recommended) VIN 5 60 V 3
Supply Output Voltage (recommended) VOUT 3 5 V 3
Operating Junction Temperature (recommended) TJ -40 125 °C 3
Output Capacitor (recommended) COUT 1 10 µF 3
Supply Input Voltage VIN -0.3 80 V 3
Regulated Output Voltage VOUT -0.3 6 V 3
VOUT to VIN VOUT_VIN -35 0.3 V 3
Lead Temperature (Soldering) TLEAD 260 °C 10 sec soldering 3
Operating Junction Temperature TJ 150 °C 3
Operating Ambient Temperature TA -40 125 °C 3
Storage Temperature Range TSTG -40 150 °C 3
CDM ESD (Charged Device Model) 1.5 kV CDM 3
HBM ESD (Human Body Model) 4 kV HBM 3
Current Limit ILIMIT 250 mA 4
Thermal Shutdown Temperature TOTSD 150 °C 4
Thermal Shutdown Hysteresis THYOTSD 30 °C 4
Power Supply Rejection Ratio PSRR 70 dB VIN = 12V, IOUT = 1mA, VOUT = 3.3V @1kHz 4
Input Capacitor (recommended) CIN 1 µF 3
Thermal Resistance Junction to Ambient (SOT89) θJA 78.6 °C/W JEDEC STD.51 High-K board, Ta = +25°C 3
Thermal Resistance Junction to Case (SOT89) θJC 25.1 °C/W 4

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) 4 kV Note: 4. a). Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and 3
contacts tin  Terminals:  SOT89: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 14

CAD (KiCad official)

  • Symbol: AP7387Q-33Y-13
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: ap7387q-33y-13-etched.step / ap7387q-33y-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap7387q-33y-13.step / ap7387q-33y-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (15 pp, sha256 0b3d87ecd05432af, retrieved 2026-10-30, 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