2 layers164 × 100 mm
2 layers39.8 × 20.6 mm
3v3-5v regulator
mayyyk/pcb_regulator1- Size
- 39.8 × 20.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 8
- Nets
- 6
- Pads
- 31
- Tracks, vias
- 2, 98
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 31 Mar 2026
- Updated
- 1 Apr 2026
Overview
3v3-5v regulator is an open-source printed circuit board by mayyyk, from the mayyyk/pcb_regulator repository on GitHub. It is a 2-layer board of 39.8 × 20.6 mm with 8 parts on 6 nets, routed with 2 tracks and 98 vias.
It is built around the AMS1117CD-3.3. Its parts include 5 capacitors, 2 connectors and 1 IC. It belongs with the power boards of this library.
Main components
1Parts
8| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 22u | Capacitor_SMD:C_Elec_6.3x7.7 | C2, C4, C5 |
| 2 | 100n | Capacitor_SMD:C_0402_1005Metric | C1, C3 |
| 1 | AMS1117CD-3.3 | Package_TO_SOT_SMD:TO-252-3_TabPin2 | U1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal | J2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex_47346-0001 | J1 |
Questions
How big is the 3v3-5v regulator PCB?
It measures 39.8 × 20.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 3v3-5v regulator use?
8 parts, built around the AMS1117CD-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the 3v3-5v regulator KiCad files?
From the mayyyk/pcb_regulator repository on GitHub, at the commit this page was made from: the board is 3v3-5v_regulator.kicad_pcb and its schematic 3v3-5v_regulator.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 3v3-5v regulator design in my own project?
Its repository states no licence, so its author keeps all rights: ask mayyyk before reusing the design.
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