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TPS54560 正24v输入, 负16V 1.5A输出不断重启

Other Parts Discussed in Thread: TPS54560, TPS54360

TPS54560  正24v输入, 负16V 1.5A输出不断重启,上电加负载30秒左右电流掉到0,然后马上回到1.5A,不断重复这个过程。当我拿扇子扇的时候却能稳定输出不会重启。请问下是温度过高的原因吗???还是其他什么原因。

还有我测试纹波的时候发现有150mv了,大好多,麻烦各位TI工程师看下是不是布局有问题,