一种线性恒流的LED驱动电路设计.pdf

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非常有参考价值的线性恒流的LED驱动电路设计。
》2 2 LED LED 7、8 UA(AC) 6 LED LED 00~220V LED U (DC) LED LED 98.31% UA CAC 220V LED U(led) LED 200~250V 1.5mA, LED LED 37℃。 LED 2.3 LED (220V 1. 2 m Lel J ,2004(8):28-30 V-v ILED=To+ YI An. Semiconduc lor lighting new eneryy-saviny lighl J(IED LED (20℃) High Technology, 2004(8): 28-30 V。LED VI led 2009 ),K LED (-2mV/C), 10):8 LED A focus of concern on semiconductor lighting industry [I LED The power in the world, 2009(10): 8. LED (lal LED LED 2008(4):29-31 Vn. U 「FD LED FENG Yong, YANG Xu. The design of the white LED (2) LED constant current power system control [J]. Electrical switch 2008(4):29-31 LED ,2008(83):39-42 FENG Wei. The lechnology of the while LED driver JI ULED衫) Modern display 2008(8.3 ):39-42 Ii(AC:/V ,1992 7 Fig 7 LED voltage changes under different input voltage [6 Xi Y, Schubert E F. Junction-temperature measurement in Gan ultraviolet light-emitting diodes using diode forward voltage method [J]. Applied Physics Letters, 2004, 85(12) 2163-2165 Protues16×32LED 2010(5):96-98. LED MAO Min 16x32 LED display characters based on Protues Fig 8 LED junction temperature changes under different input voltage [J]. Industrial Instrumentation Automation, 2010(5): 96-98 -118

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