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WD2015

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WPMtek Wei Pan Microelectronics DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WD2015

WPMtek Wei Pan Microelectronics · DC-DC Converters · SOT-23-5

WD2015 from WPMtek Wei Pan Microelectronics, in a SOT-23-5. 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 EN input Chip enable: drive EN above 1.5V to turn the part on and below 0.3V to turn it off, and do not leave it floating.
2 GND power_in Ground pin for the device.
3 SW output Power switch output and switch node connecting to the inductor; it connects to the drains of the internal P-ch and N-ch MOSFET switches.
4 VIN power_in Power supply input for the 2.7V to 5.5V input range, which must be closely decoupled to GND with a 10µF or greater ceramic capacitor.
5 FB input Output voltage feedback pin; an internal resistive divider scales the output voltage for comparison with the 0.6V internal reference.

Key specifications

Parameter Value
Manufacturer WPMtek Wei Pan Microelectronics
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

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 Supply Voltage -0.3 6 V 3
EN, FB Voltages -0.3 6 V 3
SW Voltage -0.3 V 3
Operating Temperature Range -40 85 °C 3
Storage Temperature Range -65 150 °C 3
Peak SW Sink and Source Current 1.8 A 3
Junction Temperature 125 °C 3
Lead Temperature 300 °C Soldering, 10s 3
Thermal Resistance (θJC) SOT23-5 θJC 130 °C SOT23-5 3
ESD Human Body Model (HBM) V(ESD-HBM) -2000 2000 V ANSI/ESDA/JEDEC JS-001-2014, Class 2 3
ESD Charged Device Mode (CDM) V(ESD-CDM) -200 200 V ANSI/ESDA/JEDEC JS-002-2014, Class C0b 3
Latch-up ILATCH-UP -150 150 mA JEDEC STANDARD NO.78E, Class I 3
Input Voltage Range 2.7 5.5 V 4
Input DC Supply Current 150 300 µA FB = 90%, Iload=0mA 4
Input DC Supply Current 40 70 µA FB= 105%, Iload=0mA 4
Input DC Supply Current (shutdown) 0.1 1 µA VEN = 0V, VIN=4.2V 4
Regulated Feedback Voltage 0.591 0.6 0.609 V TA = 25°C 4
Reference Voltage Line Regulation 0.04 0.4 %/V Vin = 2.7V to 5.5V 4
Output Voltage Line Regulation 0.04 0.4 % VIN = 2.7V to 5.5V 4
Output Voltage Load Regulation 0.5 % 4
EN Threshold 0.3 1 1.5 V 4
EN Leakage Current -1 0.01 1 µA 4
SW Leakage Current -1 0.01 1 µA VEN=0V,VIN=Vsw=5V 4
UVLO Threshold 2.5 V 4
Oscillation Frequency 1.5 MHz 4
Peak Current Limit 1.8 A VIN= 3.6V, FB=90% 4
On Resistance of PMOS 150 mΩ Isw=100mA 4
ON Resistance of NMOS 130 mΩ ISW=-100mA 4
Soft Start 1 mS 4
Thermal Shutdown 160 ℃ 4
Thermal Hysteresis 20 ℃ 4

CAD (KiCad official)

  • Symbol: WD2015
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: wd2015-etched.step / wd2015-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wd2015.step / wd2015.glb are the bare package body.

Provenance

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

  • Datasheet: WPMtek Wei Pan Microelectronics datasheet (7 pp, sha256 20d21a3059d3dfb0, retrieved 2026-10-18, 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