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/52/1578521177379052.bmp');}" onmousewheel="return imgzoom(this);">MC34063的应用
我这有个电路,要输出14.5v衡压给蓄电池浮充电,LM317输出为6v,但是当把它加到MC34063上后,此输出电压就剩下1点多v了,并且当输入电流较大时,输出电压反而变小,MC34063起不到效果,输入功率为7瓦左右.请大侠指教!!急!!mjt66@163.com 13636570626
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/52/1578521177379052.bmp');}" onmousewheel="return imgzoom(this);">
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/52/1578521177379052.bmp');}" onmousewheel="return imgzoom(this);">