"Riad S. Wahby" <[email protected]> writes: >What you're talking about is a relatively high power design, which means that >in addition to worrying about designing the switching supply, you're going to >have to sweat the practical details regarding PCB layout, et cetera.
Another thing about switchmode design is that unless it's pretty simple, you're better off outsourcing it (meaning, get a pre-built one). Back when all you needed was a 78S40 and a few capacitors, resistors, and inductors it was simple enough, but nowadays you can get a high-efficiency (90+% rather than ~70%, look for one advertised as efficiency class V), over-voltage, over- current, short-circuit protected power supply module for less than the cost of the parts, it's really not worth doing yourself unless you need something particularly exotic. >Cypherpunks build circuits, Cypherpunks assemble systems out of existing modules that someone else has spent the time to develop and tune. Peter.
