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RT
TPS62730是一款同步整流的降压IC，也就是同步整流的BUCK，非同步整流的buck电路有MOS管，续流二极管及续流电感，在BUCK电路中，MOS管的S端，续流二极管的阴极及电感是连接在一点的，TPS62730的SW端就是BUCK电路的这一点，所以你看PDF文档，SW输出是接电感的，只不过MOS管及同步整流MOS管都封装在IC内部而已。
