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UCC12050: EMI测试

Part Number: UCC12050

您好!

我们正在设计有个便携式设备,该设备需要通过CISPR 32 class B辐射发射测试。该设备采用了UCC12050进行电源隔离,在测试中出现EMI超标现象。

未用UCC12050进行隔离时,设备测试结果如下:

采用UCC12050进行隔离时,设备测试结果如下:

请问下,有什么方法可以减小该辐射发射。