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LM27313升压到5V发烫的问题

Other Parts Discussed in Thread: LM27313

TI专家,你好

        我现在用锂电池输入到LM27313,想得到一个5V的电压,再降到2.8V,但是发现这个电源系统有问题,上电LM27313导致电路电路直接就几百mA,LM27313发烫,请问这是什么原因导致的呢? 也没能得到想要的5V,谢谢你的支持