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tps54361使能问题?

Other Parts Discussed in Thread: TPS54361, TLV62130

看了一下tps54361的数据手册,发现EN默认是上拉使能的,现在想用三片TPS54361级联,并按照一定的上点顺序启动,前一级的PWGOOD(开漏输出)去使能后一级的EN,现在EN默认上拉就是上电就启动了,那我是不是要把它下拉到地,但是PWGOOD又是开漏输出,这样电路怎么设计呢?    谢谢谢