我想设计一个电源,具体要求如下:输入AC180~AC260;输出DC96V 30A,效率≥92%,用什么方案比较好呢?
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3kw如果纯模拟的方案,可以使用UCC28070作交错并联PFC,后级可以使用UCC28950作移相全桥。整机效率达到92%问题不大。
由于输出电压达到96V,用UCC28950,后级同步整流管效率比快恢复效率能高多少啊?
你好,效率到底高多少与你选的MOSFET和diode都是有关系的,你知道MOS的Rdson 和二极管的Vd,就可以计算损耗差多少,谢谢。