Boost功率因数校正(PFC)电路与LLC谐振电路共用开关管,采用平衡电容解决大功率发光二极管(LED)驱动电源在多路半导体LED并联时的均流,实现单级式自动均流LED驱动电源方案,驱动电路结构简化,电路参数设计简单,仿真和实验结果验证了该驱动的有效性。
Boost power factor correction (PFC) shares switch circuit with LLC resonant circuit, solves the lighting emitting diode(LED) power supply in a semiconductor LED parallel capacitor with balanced flow, realizes the single stage type automatic current LED driving power supply scheme, driving circuit of simplified structure, simple circuit parameter design, simulation and experimental results verify the validity of this flow method.