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LM25143-Q1: 次谐波震荡

Part Number: LM25143-Q1

使用的是交错并联模式,主路正常工作,辅路会出现次谐波震荡的现象。电流采样是利用DCR进行采样,两路参数一致。这款芯片没有提供调节斜坡补偿的引脚,请问出现这种现象的原因是什么,该如何解决?