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AC 380V TO DC 12V/5V开关电源

Chance1
Intellectual 460 points
Other Parts Discussed in Thread: UCC28740, UCC28910

想做一款开关电源，设计要求：AC 380V TO DC1 （12V/1A ）DC2(5V/1A)

有没有推荐的开关电源芯片，是否需要外加MOS。采用什么拓扑结构最合适。