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各位DX,我用VIPER22做了一款5.5V、1.4A輸出的电源;空载测试,出現輸出电压不稳的现象;请各位高手指教!非常感谢! 变压器参数是:电感量1.8MH,初级140匝 次级12匝 辅助绕组25匝 用EE16的变压器.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/67/2008241215060688.gif');}" onmousewheel="return imgzoom(this);">
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