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AP2008TC-A1

Public Made by Adom

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Wuxi Chipown Micro electronics DC-DC Converters, SOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP2008TC-A1

Wuxi Chipown Micro electronics · DC-DC Converters · SOT-23-6L

AP2008TC-A1 from Wuxi Chipown Micro electronics, in a SOT-23-6L. 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 SW output Switch pin that connects to the external inductor and the internal NMOS switch; absolute maximum SW voltage is 24 V (-0.3 V to 24 V).
2 GND power_in Power ground; VIN must be tightly decoupled to this pin with a 10 µF or larger ceramic capacitor.
3 FB input Feedback input connected to the center point of the external resistor divider; the feedback threshold is 0.6 V (typ), and the absolute maximum FB voltage is 6 V.
4 EN input Chip enable input where logic high (VENH min 1.9 V) is normal operation and logic low (VENL max 0.4 V) is shutdown; it must not be left floating.
5 VIN power_in Power supply input with a 3 V to 12 V operating range that must be tightly decoupled to GND (pin 2) with a 10 µF or larger ceramic capacitor.
6 OC input Adjustable peak current limit pin; leaving it floating gives the maximum current limit, and a resistor to GND sets a lower limit (30 kΩ for 1.8 A).

Key specifications

Parameter Value
Manufacturer Wuxi Chipown Micro electronics
Package SOT-23-6L
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
Input voltage range VIN 3 12 V VIN Rising 4
Input UVLO rising threshold VUVLO 2.7 V VIN Rising 4
UVLO hysteresis UVLOHYS 0.3 V 4
Quiescent current IQ 200 µA FB=0.66 V, No switch 4
Shutdown current ISHDN 1 µA EN=0 4
Feedback voltage threshold VFB 0.588 0.6 0.612 V VIN=5 V,IO=10 mA 4
Switching frequency FSW 0.8 1 1.3 MHz VIN=5 V,IO=300 mA 4
Maximum duty cycle DMAX 97 % 4
Low-side MOSFET on-resistance RDS(ON) 200 mΩ 4
Internal main FET current limit ILIM1 2 A 4
EN high-level input voltage VENH 1.9 V 4
EN low-level input voltage VENL 0.4 V 4
Thermal shutdown temperature TSD 150 °C 4
VIN and EN voltage -0.3 16 V Relative to GND 4
SW voltage -0.3 24 V Relative to GND 4
FB and OC voltage -0.3 6 V Relative to GND 4
ESD rating, human body model -2 2 kV Human body model, Class 3A per ESDA/JEDEC JDS-001-2017 4
Operating temperature TA -40 85 °C 4
Storage temperature -55 150 °C 4
Junction-to-ambient thermal resistance ӨJA 160 °C/W 100 mm2, 1 oz single-sided copper PCB 4
Junction-to-case thermal resistance ӨJC 40 °C/W PIN1 (SW) plastic body surface 4

CAD (KiCad official)

  • Symbol: AP2008TC-A1
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6L (KiCad packages3D, STEP)
  • 3D model files: ap2008tc-a1-etched.step / ap2008tc-a1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap2008tc-a1.step / ap2008tc-a1.glb are the bare package body.

Provenance

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

  • Datasheet: Wuxi Chipown Micro electronics datasheet (9 pp, sha256 28110c8cb0a908e4, retrieved 2026-10-18, 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