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客户要一个40W左右带功率因素的LED电源,我在网上找了这个芯片,由于没设计过这种电路,不太清楚这个变压要按哪种方案设计,大家给点意见,谢谢了.500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/72/1533051230624452.gif');}" onmousewheel="return imgzoom(this);">
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