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Tps54327问题

Other Parts Discussed in Thread: TPS54327, TPS54329

电路板上使用Tps54327作为5V输出,用12V适配器作为输入,但在空载的情况下(5V输出没有接任何负载),摸电感和芯片觉得有些发热,请问这个是正常的么?