[求助]关于激光二极管的驱动电路
<p>现正在做一个激光二极管的驱动，但才开始，还不知道该怎么入手，希望各位高手指点一下！！</p><p><table class="9t2" height="100%" cellspacing="0" cellpadding="0" width="100%" align="center" bgcolor="#ffffff" border="0"><tbody><tr bgcolor="#ffffff"><td>激光二极管 的参数如下：</td></tr><tr><td></td></tr><tr bgcolor="#ffffff"><td height="20"></td></tr><tr bgcolor="#ffffff"><td><p><font size="5">波长：<span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">λ </span><span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">：808</span></font><font size="5"><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">nm <br /></span>光功率：P。<span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体"> </span><span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">：200mW</span><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体"> </span></font></p><p><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体"></span><font size="5">工作电压：Vop<span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">：</span><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">DC 1.9V</span><span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">～</span><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">2.2V.</span></font></p><p><font size="5">工作电流：Iop＜350mA.</font></p><p><font size="5">贮存温度：-40<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">～+85</span><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃,典型值：25<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃。</span></span></span></font></p><p><font size="5">工作温度：-10<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">～+40</span><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃,典型值：25<span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt">℃。</span></span></span></font></p><p><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><font size="5"><span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">标准</span><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">TO-18</span><span style="font-size:9pt;font-family:宋体;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:&#718:;&:;#805:;mso-hansi-font-family:&#718:;&:;#805:">封装</span><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体">Φ<chmetcnv wst="on" unitname="mm" sourcevalue="5.6" hasspace="False" negative="False" numbertype="1" tcsc="0">5.6mm</chmetcnv></span></font></span></span></span></p><p><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><font size="5"><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体"><chmetcnv wst="on" unitname="mm" sourcevalue="5.6" hasspace="False" negative="False" numbertype="1" tcsc="0"><strong>请问这个激光二极管该如何驱动啊，最好能告诉我一些常用的芯片，有电路图更好！！</strong></chmetcnv></span></font></span></span></span></p><p><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt"><font size="5"><span lang="EN-US" style="font-size:9pt;font-family:&#718:;&:;#805:;mso-bidi-font-family:tahoma;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;mso-fareast-font-family:宋体"><chmetcnv wst="on" unitname="mm" sourcevalue="5.6" hasspace="False" negative="False" numbertype="1" tcsc="0"><strong>谢谢了</strong></chmetcnv></span></font></span></span></span></p></td></tr></tbody></table></p> 找找我的旧帖就有 <p>我以前使用电压基准,运算,取样电阻,驱动三极管等搭电路.这种电路比较灵活,但是体积偏大.现在我是使用SM7135E25.一片驱动200毫瓦的管子.SM7135E27两片驱动500毫瓦的管子.电压从2.7-5V都可以工作,电流变化只有1毫安左右.但是周围相关尖锋吸收要作好.哈哈!!!</p> 电阻大哥说的那种分立元件电路可以看我的帖子，100ｍｗ制作和250ｍｗ制作。 追问，激光管驱动用开关式恒流源可以吗？如不能直接使用要如何修改？
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