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LM5022输入9~36V,输出12V1A的隔离电源。遇到问题

Other Parts Discussed in Thread: TL431

这是设计工具提供的,但是搭完电路测试一下,空载输出稳定,但是不能带载,是不是电路有问题?要怎么修改?

DS的波形

MOS的栅极波形