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照明用led驱动器需求和解决方案分析

为25LM的高亮度led一般所消耗的功率超过1w。这意味着白光led驱动器ic必须以高效率进行转换,这样它才能不成为热问题的主要成因。另外,在很多情况下都存在空间受限问题,led驱

  http://blog.alighting.cn/q89481240/archive/2011/7/20/230476.html2011/7/20 23:08:00

led的应用优势及存在问题

破:cree公司开发出发光效能为74lm/w的白色led,lamina ceramics公司也封装出额定光通为120LM的当前最紧凑的rgb型led光源……一系列技术上的突破向我们预

  http://blog.alighting.cn/q89481240/archive/2011/7/20/230472.html2011/7/20 23:07:00

白色led的恒流驱动

画在led的vf曲线图上,两条曲线的交点是各个led的调节点。图4. 白色led通常有四种不同的驱动电路:(A) 电压源与镇流电阻, (b) 电流源与镇流电阻, (c) 多路电流

  http://blog.alighting.cn/q89481240/archive/2011/7/20/230473.html2011/7/20 23:07:00

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  http://blog.alighting.cn/angel1/archive/2011/7/20/230409.html2011/7/20 11:42:00

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  http://blog.alighting.cn/angel1/archive/2011/7/20/230408.html2011/7/20 11:41:00

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  http://blog.alighting.cn/angel1/archive/2011/7/20/230399.html2011/7/20 11:29:00

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-9 包膜、透明性高,防腐,用于密封胶 vk-j50lw 白色液体 50 40 水 8-7 包膜、导电性能好,用于抗静电、导电材料 vk-j50A 白色液体 50 40 棕榈酸

  http://blog.alighting.cn/weking1/archive/2011/7/20/230398.html2011/7/20 11:10:00

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