Notice: Undefined index: group_show in /home/www/html/sp.liang360.net/html/wap/know.inc.php on line 66 LED light bulb with the power switch to achieve stepless dimming|saber|sp.liang360.net|Powered By Destoon
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LED light bulb with the power switch to achieve stepless dimming
fecha:2011-06-07 14:46
estado:para resolver
pregunta:admin
cture of the points, a structure that is directly from the 220/110V AC power rectified step-down output driver to generate a constant current LED, secondary structure refers to the start of 220 / 110V AC power rectifier produces an intermediate step-down DC voltage (eg 48V), and then through a DC / DC conversion stage produces constant current output driver LED.


An architecture has the advantage of simple structure, fewer components required, BOM is relatively low, the disadvantage is a larger
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