
請(qǐng)指點(diǎn)同步整流電路(有圖)
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@pangjihao
[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/37/1136605257.jpg');}"onmousewheel="returnimgzoom(this);">
在6A時(shí)就發(fā)熱了.好像效率不高.
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@佚名
會(huì)不會(huì),MOS管開(kāi)通不完全?請(qǐng)前輩們發(fā)言!關(guān)注!



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@pangjihao
[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/37/1136620290.jpg');}"onmousewheel="returnimgzoom(this);">[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/37/1136620306.jpg');}"onmousewheel="returnimgzoom(this);">[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/37/1136620322.jpg');}"onmousewheel="returnimgzoom(this);">
那個(gè)波形好點(diǎn)?
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@pangjihao
是1:100的,我按照各位大俠們的指點(diǎn)試試看.

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@pangjihao
[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/37/1136774367.jpg');}"onmousewheel="returnimgzoom(this);">這是我修改后的圖.
還發(fā)熱不?看起來(lái)這波形挺好了
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@佚名
還發(fā)熱不?看起來(lái)這波形挺好了
還是發(fā)熱,14V12A波形見(jiàn)圖.
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/37/1136775815.jpg');}" onmousewheel="return imgzoom(this);">

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@pangjihao
還是發(fā)熱,14V12A波形見(jiàn)圖.[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/37/1136775815.jpg');}"onmousewheel="returnimgzoom(this);">
有沒(méi)有更好的辦法?請(qǐng)指點(diǎn)一二!謝謝!
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@pangjihao
還是發(fā)熱,14V12A波形見(jiàn)圖.[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/37/1136775815.jpg');}"onmousewheel="returnimgzoom(this);">
這么大的功率,建議用同步整流芯片.
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@pangjihao
還是發(fā)熱,14V12A波形見(jiàn)圖.[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/37/1136775815.jpg');}"onmousewheel="returnimgzoom(this);">
不發(fā)熱才怪呢,你有沒(méi)有計(jì)算一下導(dǎo)通損耗,24A*24A*0.039OHM/2=11.2W最少,MOSFET用的太緊了!!!!!
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@pangjihao
還是發(fā)熱,14V12A波形見(jiàn)圖.[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/37/1136775815.jpg');}"onmousewheel="returnimgzoom(this);">
結(jié)果怎樣?請(qǐng)告知.以免以后碰到同樣問(wèn)題!TKS!
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