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UCC28950: UCC28950斜率补偿的相关问题

Part Number: UCC28950

你们好呀,论坛的工程师们,最近准备用UCC28950做移相全桥的电源,在看手册时,发现对斜率补偿和CS不太理解;

1.VMC电压控制模式下,斜率补偿只作用于逐周期电流限制,这里斜率补偿的作用是什么呢,

2.然后斜率补偿的初始值设置为多少呢,也就是RSUM电阻应该怎么选取的问题

文档里说可以将斜率补偿斜坡设置为电感电流斜坡下降的一半,但这个Rs我没找到,请各位懂的工程师不吝赐教啊,感谢