DC-DC Convertor

Posted on Oct 8, 2012

This circuit will generate a smaller DC output voltage from a larger DC input voltage.It is quick and simple to make and by changing the value of the zener diode, the circuit can be universally adapted to provide other output voltages.The circuit and all diagrams represent a DC convertor with 12V battery input and 9Volt DC output.

DC-DC Convertor
Click here to download the full size of the above Circuit.

With the 10V zener diode as shown in the diagram the output voltage is about 9.3 Volts DC. The above graph shows how the output is affected by input voltage variations. This was produced with a load current of 100mA and using a 10 volt rated zener diode.

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