MCP1703T-3302E
Public Unreviewedby Ray
Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23A-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdownMCP1703T-3302E
Microchip · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23A-3
MCP1703T-3302E from Microchip, in a SOT-23A-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | power_in | Regulator ground. Tie to the negative side of the output and input capacitors. Only the LDO bias current (2.0 µA typ) flows out of this pin; output regulation is referenced here. Minimize voltage drops between this pin and the negative side of the load. |
| 2 | VOUT | power_out | Regulated 3.3V output. Connect to the positive side of the load and the positive terminal of the output capacitor (1 µF to 22 µF ceramic recommended). Maximum continuous output current 250 mA; internal current limit ~500 mA typ. |
| 3 | VIN | power_in | Unregulated supply input. Operating range 2.7V to 16.0V (absolute max 18V). Requires low source impedance for stable LDO operation; a 1 µF ceramic input capacitor is recommended for most applications. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip |
| Package | SOT-23A-3 |
| Category | PMIC |
| Pins | 3 |
Ordering variants
Same part, different packaging or reel option.
MCP1703T-3302ECBMCP1703T-3302EMBMCP1703T-3302EDBMCP1703T-3302E
CAD (KiCad official)
- Symbol:
MCP1703T-3302E - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23A-3 (KiCad packages3D, STEP)
3D model downloads
Two STEP files. Same geometry, different body top:
| File | Size | Use it when |
|---|---|---|
mcp1703t-3302e.step |
59 KB | You want the bare part, or you mark your own boards. |
mcp1703t-3302e-etched.step |
2.4 MB | You want the part with MCP1703T-3302E already on it. |
The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 587 faces against 69 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip datasheet (32 pp, sha256
7bfdaa05d529bf00, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).