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AP63201WU-7

Diodes Incorporated · DC-DC Converters · TSOT-23-6

AP63201WU-7 from Diodes Incorporated, in a TSOT-23-6. 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 FB input Feedback sensing terminal for the output voltage, connected to the output resistive divider and referenced to the internal 0.8V reference.
2 EN input Enable input that turns the regulator on when driven high and off when driven low, with a precision 1.18V threshold used to program UVLO; attach to VIN or leave open for automatic startup.
3 VIN power_in Power input that supplies the IC and the step-down converter switches, to be driven from a 3.8V to 32V source and bypassed to GND with a suitably large capacitor.
4 GND power_in Power ground.
5 SW output Power switching output node that supplies the output through the LC filter, with a capacitor required from SW to BST to power the high-side switch.
6 BST power_in High-side gate drive boost input that supplies the drive for the high-side N-channel MOSFET, with a 100nF capacitor recommended from SW to BST.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TSOT-23-6
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Shutdown Supply Current ISHDN 1 3 µA VEN = 0V 5
VIN Under Voltage Threshold (Rising) 3.3 3.5 3.7 V 5
HS Peak Current Limit IPEAK_LIMIT 2.5 2.8 3.1 A 5
LS Valley Current Limit IVALLEY_LIMIT 2.5 3.2 3.9 A 5
Frequency Spread Spectrum -6 6 % 5
Feedback Voltage VFB 792 800 808 mV CCM, AP63200/AP63201 5
EN Logic High VEN_H 1.15 1.18 1.23 V 5
EN Logic Low VEN_L 1.05 1.1 1.15 V 5
VIN Supply Voltage (DC) VIN -0.3 35 V DC 4
VIN Supply Voltage (400ms) VIN -0.3 40 V 400ms 4
Switch Node Voltage VSW -1 V 4
Feedback Voltage VFB -0.3 6 V 4
Enable/UVLO Voltage VEN -0.3 35 V 4
Storage Temperature TST -65 150 °C 4
Junction Temperature TJ 160 °C 4
Lead Temperature TL 260 °C 4
ESD Susceptibility HBM 2000 V 4
ESD Susceptibility CDM 1000 V 4
Supply Voltage VIN 3.8 32 V 4
Operating Ambient Temperature Range TA -40 85 °C 4
Junction to Ambient (TSOT26) θJA 89 °C/W 4
Junction to Case (TSOT26) θJC 39 °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
contacts tin • Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 • Weight: 0.0145 grams (Approximate) 17

CAD (KiCad official)

  • Symbol: AP63201WU-7
  • Footprint: Package_TO_SOT_SMD:TSOT-23-6
  • 3D model: TSOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ap63201wu-7-etched.step / ap63201wu-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap63201wu-7.step / ap63201wu-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (18 pp, sha256 ef99daa3789d835b, retrieved 2026-10-19, tier: lcsc)
  • 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