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LM25576原理图

Other Parts Discussed in Thread: LM25576

请问LM25576期间底部大焊盘是否与10/13/14引脚连在一起?

现想输出 -12V 电压,请问以下两个图那个个接法是正确的?

图1 大焊盘接地       图2  大焊盘接-12V

麻烦帮看看!谢谢!