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使用UCC2897A 做有源钳位反激,出现不停软启动(SS/SD不停充放电)

Other Parts Discussed in Thread: UCC2897A

各位老师好:

          目前使用UCC2897A 做有源钳位反激,出现不停软启动(SS/SD不停充放电)的问题,过压保护欠压保护是没问题的,各位老师能不能帮忙看看原理图有没有问题,谢谢!