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tps56121 输出问题,怪异

焊了2块板子,设计1.1v输出,一块输出正常,1.1v输出,另一块输出1.25v了,而且静态功耗都0.35A了,没有负载的情况下。

量了量不正常的板子,FB 有0.68V,,,,是不是芯片有问题了,还是电感有问题???????、