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同样上次的问题! tps5430 当接入12V 瞬间就短路。



当接乳 12v 的电源的时候 (使用的学生电源限流在100MA ),tps430瞬间就短路了! 经过测试个烧坏的得出 是第9引脚 和 输入的VCC 短路。导致芯片烧坏,疑惑为什么上电就烧坏芯片的!!!!求助呀

下面是我的原理图和PCB 哪里有为题的??????

TPS5430恒压.zip