component
WL9005S5-28
Public Made by Adomby adom
WPMtek Wei Pan Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. 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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Contents
README
markdownWL9005S5-28
WPMtek Wei Pan Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L
WL9005S5-28 from WPMtek Wei Pan Microelectronics, in a SOT-23-5L. 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 | VIN | power_in | Input supply pin; the datasheet specifies an input voltage range of 2.0V to 7.0V and recommends a ≥1μF ceramic input capacitor placed as close to the device as possible. |
| 2 | GND | power_in | Ground reference pin; the input and output capacitor ground returns should connect to this pin using as wide and short a copper trace as practical. |
| 3 | EN | input | Enable control input; the datasheet gives a CE-high threshold of at least 1.2V and a CE-low threshold of at most 0.4V. |
| 4 | NC | unconnected | No connect pin with no internal connection on the SOT23-5 package. |
| 5 | VOUT | power_out | Regulated output voltage; the datasheet recommends a ≥1μF ceramic output capacitor (X7R or X5R) placed as close as possible to VOUT and GND. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WPMtek Wei Pan Microelectronics |
| Package | SOT-23-5L |
| 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 Voltage | VIN | 2 | 7 | V | 5 | ||
| Quiescent Current | IQ | 0.3 | 0.5 | µA | VIN >VOUTNOM , VIN=EN, IOUT =0mA | 5 | |
| Shutdown Current | ISHDN | 0 | 0.1 | µA | EN=0 V , VOUT =0 V | 5 | |
| Output Voltage | VOUT | 0.985 | 1.015 | x VOUT | VIN = VOUTNOM +1V, IOUT =10mA | 5 | |
| Output Current | IOUT | 500 | mA | VIN = VOUTNOM +1V | 5 | ||
| Dropout Voltage | VDROP | 600 | 750 | mV | IOUT =500mA, VOUT =3.3V | 5 | |
| Load Regulation | ΔVLOAD | 5 | 20 | mV | VIN = VOUTNOM +1V, 1mA≦ IOUT ≦100mA | 5 | |
| EN Threshold Voltage (CE High) | VCEH | 1.2 | V | CE 'High' Voltage | 5 | ||
| EN Threshold Voltage (CE Low) | VCEL | 0.4 | V | CE 'Low' Voltage | 5 | ||
| Temperature Coefficient | ΔVOUT/ΔT*VOUT | -100 | 100 | ppm/°C | IOUT =30mA , TA=0~70°C | 5 | |
| Thermal Shutdown Temperature | TSHDN | 160 | °C | 5 | |||
| Thermal Shutdown Hysteresis | ΔTSHD | 20 | °C | 5 | |||
| EN Pin Current | IEN | 0.01 | µA | 5 | |||
| Input Voltage (absolute max) | VIN | -0.3 | 9 | V | 4 | ||
| EN to GND Voltage (absolute max) | VEN | -0.3 | 9 | V | 4 | ||
| Regulated Output Voltage (absolute max) | VOUT | -0.3 | 5 | V | 4 | ||
| Human Body Model ESD | HBM | -4000 | 4000 | V | 4 | ||
| Charged Device Model ESD | CDM | -2000 | 2000 | V | 4 | ||
| Machine Model ESD | MM | 200 | V | 4 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 4 | ||
| Operating Junction Temperature | TJ | 150 | °C | 4 | |||
| Lead Temperature (Soldering) | TLEAD | 260 | °C | 10 s | 4 | ||
| Power Dissipation SOT23-5L | PD | 500 | mW | TA=+25°C, SOT23-5L | 4 | ||
| Operating Ambient Temperature | TA | -40 | 85 | °C | 4 | ||
| Input Voltage (recommended) | VIN | 2 | 7 | V | 4 | ||
| Output Voltage (recommended) | VOUT | 0.8 | 5 | V | 4 | ||
| Line Regulation | ΔVLINE | 0.05 | %/V | IOUT =10mA, VOUTNOM +1.0V ≦ VIN ≦7V | 5 | ||
| Current Limit | ILIMIT | 650 | mA | 5 | |||
| Short Current | ISHORT | 100 | mA | VOUT = GND | 5 | ||
| Output Noise Voltage | VON | 100 | µVrms | VOUT=3.3V , IOUT =200mA, BW = 100Hz~10KHz | 5 | ||
| Power Supply Rejection Rate (1 kHz) | PSRR | 70 | dB | f=1kHz | 5 | ||
| Power Supply Rejection Rate (10 kHz) | PSRR | 65 | dB | IOUT =100mA, VOUT =3.3V, f=10kHz | 5 | ||
| Dropout Voltage | VDROP | 100 | mV | IOUT =100mA, VOUT =3.3V | 5 | ||
| Thermal Resistance Junction to Air SOT23-5L | θJA | 250 | °C/W | Junction to air, SOT23-5L | 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 | copper | and output capacitors must be back to the WL9005 ground pin using as wide and as short of a copper trace as is practical.Connections using long trace lengths, narrow trace widths, and/or | 10 |
CAD (KiCad official)
- Symbol:
WL9005S5-28 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5L (KiCad packages3D, STEP)
- 3D model files:
wl9005s5-28-etched.step/wl9005s5-28-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wl9005s5-28.step/wl9005s5-28.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WPMtek Wei Pan Microelectronics datasheet (11 pp, sha256
2ed7848826dfb0c6, retrieved 2026-10-17, 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).