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UCC24612: UCC24612应用在LLC中,使用二极管整流系统正常,采用同步整流出现间歇波形

Part Number: UCC24612

图1是采用二极管整流,同步整流未接入电路状态下,同步整流的驱动波形;图2为接入电路后出现的异常,主电路的驱动信号同样被影响,造成整个系统异常。布局方法采用了datasheet推荐的布局方式。出现异常的原因目前找不到,采用的控制器为UCC24612-1