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集成功率级led与恒流源电路一体化设计

理设计(图1)使用了两个dis1020A 浮压恒流集成二极管分为两路恒流驱动各40个串联led,每路的工作电流为20mA。在硅基板上,采用扩散工艺制作了16个56v/10mA的稳压二

  http://blog.alighting.cn/zhiyan/archive/2011/2/20/134111.html2011/2/20 22:50:00

管形荧光灯灯座和启动器座

高,适应国际贸易、技术和开展国际质量认证互认的需要。  本标准与gb 1312-1991的主要技术差异如下:  1. 降低了爬电距离和电气间隙的要求;  2. 增加了灯座背面的额

  http://blog.alighting.cn/cqlq123/archive/2012/6/18/278895.html2012/6/18 10:09:52

kl4lm(b)型led冷光源矿灯

式照明灯具,也可用于化学矿山、金属矿、隧道工程,野外夜间作业等其它场所工作人员随身携带照明用工具。1.3使用环境条件与工作条件A)环境温度为–5℃~+40℃;b)周围空气相对湿度不大

  http://blog.alighting.cn/zhongmei009/archive/2010/4/23/41418.html2010/4/23 15:21:00

2011第九届广州酒店用品展览会

馆:中国进出口商品交易会琶洲展馆” (广州海珠区阅江中路380号)A1. 1- 2.1- 3.1- 4.1- 5.1馆 5、展出面积:5.5万平方米,设标准展位3.000多

  http://blog.alighting.cn/hotel168/archive/2010/11/9/113019.html2010/11/9 23:03:00

huge Amount of dAmAge ugg boots

d follow the roAd in A big circle Around the isle. theonly trick is he is invisible so yo

  http://blog.alighting.cn/awpoof/archive/2009/12/3/20775.html2009/12/3 11:47:00

An involuntAry stArt

o remember whAt A cheiromAntist reAlly wAs, And hoping it wAs not the sAme As

  http://blog.alighting.cn/aewleo014/archive/2010/5/7/43322.html2010/5/7 15:52:00

people hAve to cross the drAgonblight

s one of the most forlornghd strAighteners plAces in the entire world of wArcrAft. it is

  http://blog.alighting.cn/nsjzt8/archive/2010/6/9/48721.html2010/6/9 9:14:00

seA of criticism for Adrift young sAilor pArents

mAny people were Asking thAt question As A 16-yeAr-old girl sAt Adrift And Alone in th

  http://blog.alighting.cn/redtree/archive/2010/6/12/49616.html2010/6/12 8:29:00

AmericAn fArmers

AmericAn fArmersround bArns hAve A long history in AmericA. george opticA

  http://blog.alighting.cn/huahua0831/archive/2010/1/6/24753.html2010/1/6 13:55:00

recently the united stAtes supreme

o corporAtions hAve the sAme rights As led street lightpeople?by A vote of five to four, th

  http://blog.alighting.cn/kelazhu88/archive/2010/3/11/35321.html2010/3/11 13:31:00

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