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TPS650243

Other Parts Discussed in Thread: TPS650243

工程师,你好

我在使用TPS650243作为电路的供电时,发现3.3V 1.8V 和1.2V单独接通时都能正常工作,但是当他们同时接通时芯片过热并且没有一路电压正常(所有输出电压都偏低),1.2V的LDO电压变成1.8V。想问一下可能是什么原因?

附件是我的设计原理图。

谢谢!

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