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话题:谐振型:高频开关电源当满载工作时总是烧mos管求助:我有一高频开关电源当满载工作时总是烧mos管,而温升并不高,那位高手帮我分析一下?急!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/49/1169288244.gif');}" onmousewheel="return imgzoom(this);">
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