久久6-波多野结衣av在线观看-a级在线观看-亚洲精品国产精品乱码不卡√香蕉-91免费小视频-久久网av-人妖粗暴刺激videos呻吟-久久中文字幕av-91人人干-日韩美女啪啪-欧美xxxx18国产-三级欧美韩日大片在线看-久久系列-日本成人片网站-五月婷激情-精品久久久久久亚洲-激情久久网站-光棍福利视频-国产又色又爽又黄-欧美极品视频在线观看

This Design Note describes an up to 10 watt, off-line universal input, LED string driver with power factor correction (PFC). It incorporates a revised version of the NCP1014 “mini” boost power factor corrector circuit described in ON Semiconductor Design Note DN06064 in conjunction with ON Semiconductor’s new NSI45025 series constant current regulator.This latter device is a 2-pin part which can be inserted in series with a string of LEDs and provide a highly stable constant current and withstand a compliance voltage from 2 to 45 volts.