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为何 TPS54320 输出电压与设计电压不符?使用WEBENCH设计电压为5V,实际输出2.5V

R8和R9分别为60.4K和11.5K.这是WEBENCH的参考设计.目前空载情况输出电压为2.5V.但我想输出5V2A,输入电压8~15V

请问有没有更好的参考设计?