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tps5430使用发热

Other Parts Discussed in Thread: TPS5430

使用tps5430进行12V转5V的功能,但在使用过程中发现芯片发热严重,会有烧焦的味道,温度计大概测试了一下是芯片其中的一个引脚发热,工作电流有2.9A,请问有什么好的办法解决吗?