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/53/1757411180154535.bmp');}" onmousewheel="return imgzoom(this);">软开关Boost变换器-急急急
各位大哥大姐,我想做Boost稳压电源,用零转换软开关控制方式,但却找不到合适的控制芯片来实现主开关和辅助开关的协调动作,有知道的请告诉小弟一下,谢谢了,下面是电路图.
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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/53/1757411180154535.bmp');}" onmousewheel="return imgzoom(this);">