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/51/1174029715.gif');}" onmousewheel="return imgzoom(this);">关于IR2112驱动问题,各位高手帮帮忙
我的半桥电路,2112 第7脚(HOUT)端口驱动电压随功率的增加而增加,当功率到1200W时,驱动电压在15-25V间波动,有时候IR2112会损坏,有时候连IGBT一起坏掉,头痛啊,哪位仁兄能够告诉一二,感激不尽!!!
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/51/1174029715.gif');}" 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/51/1174029715.gif');}" onmousewheel="return imgzoom(this);">