The DPS5005 is a programmable power supply that takes power from a big AC to DC wall wart and turns it into a tiny bench-top power supply. You can pick one of these things up for about thirty ...

When you hear about a switching power supply ... you want to make and break a DC circuit in that way. Simple. With a little filtering, you get some sort of AC output, and AC is manageable with ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...