请看LUXDRIVE的LED驱动模块1000mA BUCKPUCK,国内能不能找到有类似功能的IC?
<P><img src="attachments/dvbbs/2005-9/20059910582218540.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-9/20059910582218540.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></P><P>下面的技术参数转自LUXDRIVE:</P>
<P><br><img src="attachments/dvbbs/2005-9/20059102154829521.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-9/20059102154829521.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><br><img src="attachments/dvbbs/2005-9/2005910216129367.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-9/2005910216129367.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><br></P>
<P><img src="attachments/dvbbs/2005-9/200591319192317567.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-9/200591319192317567.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></P>
<P><img src="attachments/dvbbs/2005-9/200591319193832505.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-9/200591319193832505.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><br></P>
[此贴子已经被作者于2005-9-14 6:51:31编辑过]
1块的蛮象是仿的啦 <P>这个驱动模块所具备的连续调光功能,想必是大家都喜欢的。</P> <P>不知道楼上要用在什么地方,有现成的IC可以做到</P> <P>5.5V~7V输入驱动3W,可连续调光(参见应用的Figure9和Figure11),请推荐。</P>
[此贴子已经被作者于2005-9-14 6:44:45编辑过]
用AMC7150就可以做到, <P>微桥的7150实现连续调光有困难,0.22~3欧姆的电位器就不好找.</P> 可以改一下电路啊,不要人家出那样的电路就那样用 <P>愿闻其详,谢谢!</P>
[此贴子已经被作者于2005-9-14 9:33:25编辑过]
<P>等XIAOXIAO有空我叫他帮你解决</P>
<P>谢谢先了!</P>
<P><a href="http://www.shoudian.org/dispbbs.asp?boardID=30&ID=12977&page=1" target="_blank" >http://www.shoudian.org/dispbbs.asp?boardID=30&ID=12977&page=1</A></P>
[此贴子已经被作者于2005-9-17 0:58:18编辑过]
<P>唉!等的花儿也谢了。</P>
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