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请问TI公司是否有一次地和二次地隔离的DCDC



查看TI网站,好像大部分的DCDC的输入端和输出端都是共地的。请问是否有输入地和输出地是分开的DCDC,目的是输入和输出任意一端短路,不影响另外一端。

这样的芯片是不是内置了一个变压器?

谢谢!