Miniature 5v Line Powered Isolated Supply

Published:2012/9/9 21:05:00 Author:Ecco | Keyword: Miniature 5v , Line Powered, Isolated Supply | From:SeekIC

Often a circuit requires a 5v DC supply to power some logic circuits. The conventional method is to use an AC wall adapter. But, many systems, which bring AC power onto a circuit board, need a small AC to DC power supply right on the circuit board. The circuit below provides such a supply. It uses a classic series capacitor charge pump which acts as a current limiting device. Source: discovercircuits



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