如图，用LM5033做的单级PFC线路
现在问题是，较重负载时不能带载启动，
设计为主功率40V5.8A 230W，峰值300W，低压只能带2.2A起机，高压带载6A左右可起机。这种情况为断开CS上的检测电阻R53。
1，我想知道是那里受限了？
2，IC Pin3（comp脚）外围是否恰当
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