Other Parts Discussed in Thread: UCC28730
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Hi
建datasheet第一页: http://www.ti.com.cn/cn/lit/ds/symlink/ucc28730.pdf
针对最高总体效率的谐振环谷值开关运行
您的意思是某些功率点不能实现谷底导通?那Datasheet第11页The controller operates in valley-switching in all load conditions unless the VDS ringing is diminished to the point where valleys are no longer detectable.