【摘要】 近年来,LED由于节能环保而在路灯照明方面得到广泛应用。为满足大功率LED的电气特性,在传统的反激变换器的基础上,基于飞兆FAN6300设计了一种准谐振高压恒流LED路灯驱动电源。阐述了准谐振开关电源的原理和优点,给出了电路原理图,以及关键元件的参数计算和选取方法。实验结果证明了该设计的可行性和有效性。更多还原

【Abstract】 In recent years,LED has been widely used in the street-lamp lighting for its energy-saving and environmental protection.In order to meet the electrical behavior of high-power LED,a quasi-resonant LED street-lamp power supply with high voltage and constant current was designed by fairchild FAN6300 on the basis of the traditional flyback converter.The operating principle and advantages of such power supply were illustrated.The circuit diagram was given,and the calculation and selection methods of some key parameters were presented.The feasibility and effectiveness of the whole design is verified by experimental results.更多还原