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/41/1148634754.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">用MC34063输出双路隔离电压
我在看ST公司的MC34063的DATASHEET时,看到如下的一幅图,实现了双路隔离电压输出,请问有人用这样的图设计过电源吗?能实现+8~+30的输入范围,输出+-15V(或者+-12V)吗?另外图中的变压器符号的器件是什么样子的,它的数值是怎么计算,市面上有现成的器件出售吗?
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