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TPS62110电源辐射超标问题

Other Parts Discussed in Thread: TPS62110

现在有个项目,使用tps62110从9V转到5V后发现辐射测试超标,由于电源适配器9V通过一条1m长的usb线连到tps62110,推测usb线和辐射超标有关系,特在usb线上加磁环绕了一圈后,辐射降低一些,但仍然超5个db,请问还可以用什么办法降低辐射?以下是原理图和PCB图