Im trying to build a powers supply, with a 15V output and a current of least 30A at 15V.
Anyway, I know how to build linear power supplies as they are pritty simple. Saddly, they are also energy inefficient, heavy and expensive.
I have therefore decided that switch mode is the way to go. The only problem, I dont know anything at all about them! Does anyone have any links which explains how they work, the math involved to calculate the waveforms and the hardware used for the PWM etc.