85V-265V O/P:5V/1.5A
用EE19,P=126T,S=9T,VCC=15T觀L=1.8MH
1,低高壓很難起動(dòng);
2次級(jí)電壓16.2V,帶載1A只有13V.
請(qǐng)高手幫忙!!!
用ACT30B做7.5W遇到問題(有圖)
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500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點(diǎn)擊可放大。\n按住CTRL，滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/60/1904531196675872.bmp');}" onmousewheel="return imgzoom(this);"> 0
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@wangyuqin
[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點(diǎn)擊可放大。\n按住CTRL，滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/60/1904531196675872.bmp');}"onmousewheel="returnimgzoom(this);">
你看一下反饋回路,應(yīng)該TL431附近看一下.
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