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class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-114239.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=114239&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-114239.html">vmxnl</a> </span> </div> <div class="date"><span>发布时间:</span> 2010-9-20 12:14</div> <div class="album_info"> <h3>正文摘要: </h3> <p> </p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1124760" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-114239.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=114239&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-114239.html" target="_blank" class="xi2">vmxnl</a><em id="author_1124760"> 发表于</em> <span class="xg1 xw0">2014-7-2 14:31:57</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1124760"> <ignore_js_op> <img src="static/image/filetype/pdf.gif" border="0" class="vm" alt="" /> <span style="white-space: nowrap" id="attach_86288" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})"> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=ODYyODh8MjU2OTg3NmJ8MTc2NjU1NjEwMXwwfDEwODQ0Ng%3D%3D" target="_blank">NU503B spec V01.pdf</a> <em class="xg1">(557.15 KB, 下载次数: 0)</em> </span> <div class="tip tip_4" id="attach_86288_menu" style="position: absolute; display: none" disautofocus="true"> <div class="tip_c xs0"> <div class="y">2014-7-2 14:31 上传</div> 点击文件名下载附件 <br />下载积分: 光电贝 -1 元 </div> <div class="tip_horn"></div> </div> </ignore_js_op> <ignore_js_op> <img 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cellpadding="0"><tr><td class="t_f" id="postmessage_1118621"> 欢迎有需求来电索样测试</td></tr></table> </div> <div id="comment_1118621" class="cm"> </div> <div id="post_rate_div_1118621"></div> </div> </dd> </dl> </div> <div id="post_1117776" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-146079.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=146079&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-146079.html" target="_blank" class="xi2">ledcurtain</a><em id="author_1117776"> 发表于</em> <span class="xg1 xw0">2014-4-26 14:18:42</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1117776"> <img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /></td></tr></table> </div> <div id="comment_1117776" class="cm"> </div> <div id="post_rate_div_1117776"></div> </div> </dd> </dl> </div> <div id="post_1093629" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-114239.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=114239&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-114239.html" target="_blank" class="xi2">vmxnl</a><em id="author_1093629"> 发表于</em> <span class="xg1 xw0">2013-8-16 16:13:02</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1093629"> NU506 - One Channel HV Constant Current LED Driver<br /> 產品特色 :<br /> • <br /> • 160mA 單通道定電流驅動器<br /> • 最高輸出端耐壓 600V<br /> • 輸出電流由外部電阻設定<br /> • VDD電源電壓6V ~ 16V，內建15V 稽納二極體保護<br /> • VDD腳可做PWM 調變，最高頻率5KHz<br /> • 晶片接面工作溫度 -40℃ ~ 160℃<br /> • 可串接使用，提高導通角度與光效<br /> • 電源及負載調變率0.5%/10V<br /> • 溫度保護，160℃半功率輸出/115℃回復正常輸出<br /> • 無鉛環保封裝<br /> • 產品說明 <br /> • NU506 是一簡單的高壓定電流元件，在各種 LED 照<br /> • 明產品的應用上非常容易使用，尤其是在車用電子與交<br /> • 流電壓直接驅動的應用，具有低成本與高效能的優勢。<br /> • NU506 其具有絕佳的負載與電源調變率和極小輸出電流<br /> • 誤差，能使 LED 的工作電流穩定限制在設定範圍內，大<br /> • 幅增長 LED使用壽命。 <br /> • 除了支援寬廣電源範圍不需另外提供電源之外，<br /> • NU506 的 VDD腳可以充當輸出致能(OE)功能使用，配合數<br /> • 位 PWM 控制線路，可應用於灰階電流控制。 <br /> • NU506 支援數能科技獨特的 LED 串接驅動技術，在<br /> • 不需要轉換電源電壓的情況下，直接有效率的驅動多顆<br /> • 串接的 LED。此串接驅動技術能維持正弦波的高導通角度<br /> • 與高電源效率。當電源電壓上升時，能將增加的電壓電<br /> • 能轉換為光能。同時並具有高功率因數與電路結構簡單<br /> • 的優點。在僅需要少數 SMD 電阻電容的情況下，大幅提<br /> • 高產品的可靠度與簡化量產程序。此獨特多階串接驅動<br /> • 架構專利申請中。 <br /> • NU506 是高壓線性電源元件，不會產生電磁干擾，其內建<br /> • 的溫度保護功能，在 160℃時會將輸出功率降低，並在<br /> • 115℃時回復正常。另外其輸出電流由外部電阻設定，最<br /> • 大電流可輸出 160mA。<br /> NU507晶片特性 (内置MOS+过温保护功能) <br /> 簡易之線性定電流元件 <br /> 80mA 單通道定電流驅動器 <br /> 最高輸出端耐壓 400V <br /> 輸出電流由外部電阻設定 <br /> VDD電源電壓 6V ~ 18V，內建 15V 稽納二極體保護 <br /> VDD腳可做 PWM 調變，最高頻率 5KHz <br /> 可串接使用，提高導通角度與光效 <br /> 電流精準度 4% <br /> 電源及負載調變率 0.5%/V <br /> 120℃~160℃晶片溫度保護，電流隨溫度升高而下降 <br /> 工作環境溫度 -40℃~85℃ <br /> 無鉛環保封裝 <br /> 產品說明 產品說明 產品說明 產品說明 <br /> NU507 是一簡單的高壓定電流元件，在各種 LED 照<br /> 明產品的應用上非常容易使用，尤其是在車用電子與交<br /> 流電壓直接驅動的應用，具有低成本與高效能的優勢。<br /> NU507 其具有絕佳的負載與電源調變率和極小輸出電流<br /> 誤差，能使 LED 的工作電流穩定限制在設定範圍內，大<br /> 幅增長 LED 使用壽命。 <br /> 除了支援寬廣電源範圍不需另外提供電源之外，<br /> NU507 的 VDD腳可以充當輸出致能(OE)功能使用，配合數<br /> 位 PWM 控制線路，可應用於灰階電流控制。 <br /> NU507 支援數能科技獨特的 LED 串接驅動技術，在<br /> 不需要轉換電源電壓的情況下，直接有效率的驅動多顆<br /> 串接的 LED。此串接驅動技術能維持正弦波的高導通角度<br /> 與高電源效率。當電源電壓上升時，能將增加的電壓電<br /> 能轉換為光能。同時並具有高功率因數與電路結構簡單<br /> 的優點。在僅需要少數 SMD 電阻電容的情況下，大幅提<br /> 高產品的可靠度與簡化量產程序。此獨特多階串接驅動<br /> 架構專利申請中。 <br /> NU507 是高壓線性電源元件，不會產生電磁干擾，其<br /> 內建的溫度保護功能，在 125℃以上時會開始將輸出電流<br /> 降低，並在約 160℃時關閉。另外其輸出電流由外部電阻<br /> 設定，最大電流可輸出 80mA。<br /> </td></tr></table> </div> <div id="comment_1093629" class="cm"> </div> <div id="post_rate_div_1093629"></div> </div> </dd> </dl> </div> <div id="post_1090982" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-114239.html"><img 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