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Voltage regulator-5v to-3.3v

Sian-soj·voltage-regulator-5v-to-3.3v·Hardware/First PCB.kicad_pcb

Voltage regulator-5v to-3.3v PCB layout, top view — open source board by Sian-soj

About the Voltage regulator-5v to-3.3v PCB

Voltage regulator-5v to-3.3v is an open source PCB design by Sian-soj, published on GitHub. It is a 2-layer board measuring 51.5 × 23.1 mm, with 8 components from 5 distinct parts.

Other key parts include the AMS1117CD-3.3. By type, the board carries 5 capacitors, 2 connectors and 1 IC.

It belongs with the test & measurement designs in this gallery.

From the project

A compact, custom-designed printed circuit board (PCB) developed in KiCad to regulate a 5V input down to a stable 3.3V output. This board is engineered specifically to provide clean power to microcontrollers, sensors, and low-voltage embedded systems.

A compact, custom-designed printed circuit board (PCB) developed in KiCad to regulate a 5V input down to a stable 3.3V output. This board is engineered specifically to provide clean power to microcontrollers, sensors, and low-voltage embedded systems.

The core of this design utilizes the AMS1117-3.3 low-dropout (LDO) linear regulator. The project served as an immersive hands-on exercise in hardware design, focusing on tight form-factor optimization, power distribution routing, and custom footprint creation.

Voltage regulator-5v to-3.3v, from the project README
From the project README

Main components on the Voltage regulator-5v to-3.3v

AMS1117CD-3.3

Voltage regulator-5v to-3.3v bill of materials (BOM)

8 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AMS1117CD-3.3
U1
1
USB_B_Micro
J1
1
SCREW_TERMINAL_01X02
Screw_Terminal_01x02
J2
2
100N
100n
C1, C3
3
22U
22u
C2, C4, C5

Voltage regulator-5v to-3.3v design files

The KiCad project lives in the Sian-soj/voltage-regulator-5v-to-3.3v repository on GitHub; these links point at the commit this page was built from.

Voltage regulator-5v to-3.3v: common questions

How big is the Voltage regulator-5v to-3.3v PCB?

The Voltage regulator-5v to-3.3v measures 51.5 × 23.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Voltage regulator-5v to-3.3v?

8 components, from 5 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Voltage regulator-5v to-3.3v design files?

From the Sian-soj/voltage-regulator-5v-to-3.3v repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Voltage regulator-5v to-3.3v design in my own project?

The repository has no license, so all rights stay with Sian-soj. Use it as a reference, and ask the author before reusing the design.

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