摘要
反激式变换电路是小功率LED照明中使用最为广泛的一种拓扑结构,为了使LED驱动器能够满足高效率、高可靠性和低成本的要求,给出了一种单级反激式变换电路,详细分析了电路的工作原理,并对主要元器件的参数进行了设计。最后,使用Saber仿真软件在不同的输入条件下进行了仿真分析,仿真结果表明电路具备较高功率因数和效率。
In order to make the LED driver to meet the requirements of high efficiency, reliability and low cost, this paper presents a single-stage flyback converter. The operation principles of this converter and the parameters of the major components are fully analyzed. The simulation is conducted under different input conditions by the Saber software. The results show that high power factor and high conversion efficiency are achieved by this converter.
出处
《微型机与应用》
2012年第18期23-26,共4页
Microcomputer & Its Applications
