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LM5175瞬态响应不行

Other Parts Discussed in Thread: LM5175

设计了一个300w的buck boost,18-36in  28Vout

36v输入时,从空载到1A,一直到5A都可以加上,但电流继续增大到6A后,就是从空载启动后直接加6A,LM5175直接坏掉 ,但如果电流1A为台阶往上加的话,就不会出问题

想问下这是什么原因,是什么参数决定的