充電器都是恒流限壓的.在未達(dá)到限壓的情況下,是恒流,但在達(dá)到限壓的情況下,就是限壓工作了.
我來(lái)貼個(gè),我的正負(fù)脈沖充電器的波形.大小電流:

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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/80/1976201249100223.jpg');}" onmousewheel="return imgzoom(this);">

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/80/1976201249100914.jpg');}" onmousewheel="return imgzoom(this);">