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TPS63900: 欠压后电压恢复问题

Part Number: TPS63900
Other Parts Discussed in Thread: CC1312R

您好

TPS63900,输入2V-3.65V,输出3.3V,带载最大40mA左右。我用电子负载给输出带100mA负载时,输入欠压和恢复点都在2V。但是带我的后级输出,大概有6mA负载,输入欠压点在2V,恢复点是2.6V左右。这是什么原因呢?下图是我的原理图。