This article introduces an AC-to-DC flyback switching power supply that converts universal 50Hz/60Hz AC input (85V to 260VAC) to dual-output +/-15VDC to 0.5A (2*7.5W). This article introduces an AC-to ...

he wasn’t sure that he had ever tried to push it beyond 15V in the years that he had owned it, but it had better live up to its specs. Ergo out came the screwdriver to open the power supply to ...