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现在在做一个400W的电源,用交错PFCUC28061,半载效率只能做到97%,怎么搞也做不到98%,这个芯片对功率比较小场合,是不是效率会低呢?
如果对不是对全负载范围PF值要求都很高的话，可以考虑在轻载的时候关掉关掉交错开关中的其中一路。
