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UCC28070 300-W Interleaved PFC Pre-Regulator Design Review

Other Parts Discussed in Thread: UCC28070

依照TI “UCC28070 300-W Interleaved PFC Pre-Regulator Design Review”设计一300W的交错PFC,目前遇到

1.抽载越大输出电压跟着往下掉(慢慢加载)

2.若直接抽载(半载),电压会直接掉,AC电源并同时短路,请问有人有遇过类似问题,如何解决的呢?