🔋 +5V to +3.3V Regulator PCB (Altium Designer)

This project is a simple and efficient +5V to +3.3V linear regulator circuit designed in Altium Designer.
It uses the MIC5317-3.3YM5-TR Low Dropout (LDO) voltage regulator to provide a clean 3.3V output for powering microcontrollers, sensors, and logic devices from a 5V supply.

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⚙️ Features

• Input Voltage: +5V DC
• Output Voltage: +3.3V DC
• Regulator IC: MIC5317-3.3YM5-TR (Low Dropout Regulator)
• Input Capacitor: 1 µF
• Output Capacitor: 1 µF
• Connectors: JST SM02B-GHS-TB (2-pin input and output)
• Compact and low-noise PCB layout
• Designed using Altium Designer

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Contents

• Schematic and PCB design files (.SchDoc, .PcbDoc)
• Gerber files for fabrication
• Reports and documentation

Software

Designed using Altium Designer.

Schematic Preview

The circuit uses the MIC5317-3.3YM5-TR low-dropout voltage regulator to convert +5V input to +3.3V output.

PCB 2d Preview

PCB Top View

PCB 3d Preview

PCB Top View