Home Projects Power 9V to 48V DC-DC Converter


9V to 48V DC-DC Converter
author: Konstantin Dimitrov - k_dimitrovabv.bg

This project is a 8-12Vdc to +48Vdc DC-DC converter based on MC34063 switching regulator.


It's a simple project of a DC-DC converter to make a phantom power supply for professional microphones. It can deliver 15-20mA at 48VDC. It 's based on MC34063 DC-DC step-up, step-down and boost converter. Input is between 8-12V DC and the output +48VDC/10-20mA.


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PCB Design

PCB dimensions

PCB top layer

PCB component placement



3D PCB renderings


Download project files in Eagle format

Download board Gerber files


120x90 spot



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