最近在用UCC28070做交错并联PFC,想拿TINA先做仿真,可是官网下的模型与实际的芯片有差别,想问一下模型中IRIPA和IRIPB这两个引脚是什么作用的?F_KHZ是GND吗?请各专家帮忙解答一下,万分感谢.
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