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tps53513 输出问题

Other Parts Discussed in Thread: TPS53513

我用tps53613实现12-14V转5V/5A的电源,后面接0.75A的自恢复保险丝给负载供电

测试是我把自回复保险丝后端短路时(0.75A的自恢复保险丝断开电流约为1.5A),发现电源就没有输出了

带着负载直接给电源上电,多个设备都能正常启动工作,单个设备电流约为0.45A,但在带电的情况下直接在连接器上插入单个负载,电源也会没有输出,

重启后电源均能恢复正常。

请教下这是什么问题导致的?如何解决