AC 110V-DC 5V/10A switching power supply

Published:2011/4/20 2:15:00 Author:May | Keyword: AC 110V-DC 5V/10A, switching power supply | From:SeekIC

This circuit is energy supply by 110V AC network. It adds to SIPMOS FET BUZ80 and transformer primary winding n1 after rectifying and filtering. The duty factor control of FET is finished by integrated circuit TDA4718. Its duty factor must less than 0.5. Winding n2 can make transformer magnet core to degaussing after every pulse in order to improve the efficiency.



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