LED lighting device
作者： Shoji Hiroyuki , Hatakeyama Atsushi , Kadota Michihiro
DOI:
关键词:
摘要: The present invention discloses a light emitting diode (LED) lighting device, the object of this is to prevent flickers and reduce surge current, achieve compact high efficient LED device. A solution means includes rectifier circuit for converting an AC voltage into rectified voltage, first capacitor DC link DC-DC converter supply power load, current setting outputting value according shunt connected between output terminals at least comprising serial connection body impedance switch element, device controlling switching element in body. characterized that turn on one during period which lower than desired reference changes become higher until has elapsed.
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