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UCC28070问题

Other Parts Discussed in Thread: UCC28070

UCC28070输出的两路驱动波形的占空比不一样是怎么回事?(输入220VAC,交错PFC电感360uH,PFC输出电压396VDC,目前带载为200W)波形在附件里,通道1  和2 是GS波形  3通道(与1通道GS对应的MOS)是DS波形。