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UCC28019芯片做PFC电路.能否用升压线圈的次级绕组做辅助电源?

Other Parts Discussed in Thread: UCC28019

UCC28019芯片做PFC电路.能否用升压线圈的次级绕组做辅助电源?目前我在升压线圈的次级绕组组成倍压整流电路作为辅助电源,但是不能正常启动工作.