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UCC29002使用问题

Other Parts Discussed in Thread: UCC29002

您好,我现在遇到一个问题,公司目前有两种12V@20A的电源

老电源 正激拓扑 纹波较大

新电源 LLC拓扑 纹波较小

现在公司提出3+1的要求,在两种电源中加入UCC29002最大值均流

新电源工作正常

老电源在两个并联时没有均流效果,测量得均流总线的纹波有1.3V的尖峰脉冲

请问,其是否触发UCC29002的某种保护机制,或其他原因?

UCC29002对电源有哪些要求?

谢谢