Hi Everybody,
I am Working on DC DC Buck converter. I need to connect a RFID module which works on 3v/500mah to a battery varies from 10v to 42v/15 Amps. I have browsed the web but i can't get any related documents or circuits, I am totally confused, Please help me in this. How to step down a 600w to 1.5w DC DC buck converter circuit.