电路如下，PCB布局都是按照推荐LAYOUT来的，空载没什么问题，在带到1A左右的负载后芯片和二极管就烫的不行了，请大神帮忙分析下原因
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TPS54560做的一个正电压转负电压的电路，芯片和二极管发热严重，请帮忙分析分析，谢谢！
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