component
WL9100S3-30
Public Made by Adomby adom
WPMtek(Wei Pan Microelectronics) Linear Voltage Regulators (LDO), SOT-23-3L. 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
markdownWL9100S3-30
WPMtek(Wei Pan Microelectronics) · Linear Voltage Regulators (LDO) · SOT-23-3L
WL9100S3-30 from WPMtek(Wei Pan Microelectronics), in a SOT-23-3L. 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 | GND | power_in | Ground pin; the input and output capacitors should return to this pin through as wide and short a copper trace as is practical. |
| 2 | VOUT | power_out | Regulated output voltage; the absolute maximum VOUT is -0.3 V to 6.0 V and the fixed output versions range from 1.8 V to 5.0 V. |
| 3 | VIN | power_in | Power input; the absolute maximum supply input voltage is -0.3 V to 40 V and the recommended input range is 3.0 V to 24 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WPMtek(Wei Pan Microelectronics) |
| Package | SOT-23-3L |
| Category | Power Management ICs |
| Pins | 3 |
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 WL9100 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 | 8 |
CAD (KiCad official)
- Symbol:
WL9100S3-30 - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files:
wl9100s3-30-etched.step/wl9100s3-30-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wl9100s3-30.step/wl9100s3-30.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WPMtek(Wei Pan Microelectronics) datasheet (8 pp, sha256
6437b9fd93db9e0e, retrieved 2026-10-27, 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).