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TPS63020电压输出异常

Other Parts Discussed in Thread: TPS63020

自己设计了一款板子,用到了TPS63020做电压转换,将电池电压稳压到3.5V左右,焊了3块板子:一块可以稳压到3.5v,但是未接负载未短路发热严重,过一会将电源拉低导致整块板子重启;另外两块输出的电压高达6.5V,不知什么原因。


补充:现在使用的是USB供电,经过1N5819后给TPS63020供电,TPS63020输入电压是4.65V