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TPS62291(固定输出3.3V)输出电压偏高至4V

Other Parts Discussed in Thread: TPS62291

最近在使用TPS62291的时候,输出电压到4V,请帮忙分析可能的原因,谢谢。

(备注:用烙铁在芯片周围重新焊接,电压恢复正常)