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TPS65217 SYS引脚输出成RC振荡

Other Parts Discussed in Thread: TPS65217

使用TPS65217做电源管理,最近在调试一块板子的时候,发现芯片的7、8引脚SYS输出成了rc振荡电路,有多块板子,其余都是好的,只有一块是这样,大家有遇到过类似的问题吗?

以下是原理图:

以下是SYS引脚的输出波形: