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tps61500的底部散热焊盘可否接数字地?

Other Parts Discussed in Thread: TPS61500, TPS65100, LM3405

我按照TPS61500的模拟调光电路连接电路(空载),上电之后FB引脚电压只有10mv左右,之前做过测试应该为200mv左右。因为这次电路我把底部散热焊盘接地了,是否对这个有影响?希望各位专家帮忙解答一下。