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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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownWD2015
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wd2015.step/wd2015.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).