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基于反激变换的LED恒流驱动技术研究
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2010-02-18
李霞
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LED 是一种新型高效半导体光源，在照明领域具有广阔的应用前景。针对大功率LED 特点，分析了LED应用于照明领域的连接方式，研究了白光LED 的反激变换驱动电路，设计了相关参数，实验结果表明这种恒流驱动方式具有良好的恒流精度。
Abstract: LED is one kind of advanced high-efficiency semiconductor lamp, and has a wide application in lighting. In this paper, the LED connecting modes are analyzed for lighting application, the flyback circuit is designed for driving LED group with constant-output-current. It is shown by experiments that the driving method has a high accuracy for constant-output-current.
关键词﹕LED 驱动 恒流 反激变换
Keywords: Light-Emitting Diode Driving Constant-Current Flyback Circuit
Abstract: LED is one kind of advanced high-efficiency semiconductor lamp, and has a wide application in lighting. In this paper, the LED connecting modes are analyzed for lighting application, the flyback circuit is designed for driving LED group with constant-output-current. It is shown by experiments that the driving method has a high accuracy for constant-output-current.
关键词﹕LED 驱动 恒流 反激变换
Keywords: Light-Emitting Diode Driving Constant-Current Flyback Circuit
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