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同步整流的全桥硬开关电路次级整流管漏极振荡问题

user5015634
Intellectual 440 points
Other Parts Discussed in Thread: PMP4435

Hi！TI工程师：

我参考贵公司PMP4435（氮化镓开关管，36-60Vin，12V25A输出）设计的电源，整流管关断后漏极电压一直振荡，根据PMP4435搭建的pspice仿真，同步整流管漏极也有振荡。但是看PMP4435的测试报告（PMP4435 REVA Test Procedure China Power Reference Design）里，次级的管子关断后振荡很小啊，能指导一下吗？