CAJ | 학술논문

根据高功率 LED 的特性，设计了一种单级PFC反激式LED驱动电源。主电路拓扑采用反激变换器，变压器初级并联RCD 吸收电路，PFC 控制芯片L6562A工作于临界导通模式。在单级电路结构上，同时实现功率因数校正、DC／DC 变换和电气隔离。输出采用TSM1052进行限压、恒流控制，满足高功率LED的性能要求。
근거고공솔 LED 적특성，설계료일충단급PFC반격식LED구동전원。주전로탁복채용반격변환기，변압기초급병련RCD 흡수전로，PFC 공제심편L6562A공작우림계도통모식。재단급전로결구상，동시실현공솔인수교정、DC／DC 변환화전기격리。수출채용TSM1052진행한압、항류공제，만족고공솔LED적성능요구。
According to the characteristics ofhigh power LED,this paper designs a singlestage PFC flyback LED drive power supply.Flyback converter is used in the main circuit topology,RCD absorption circuit is in parallel with the transformer primary winding, and PFC control chipL6 5 6 2A works in transition mode (TM).On asingle stage structure,the drive power supply achieves a power factor correction,DC/DC conversion and electrical isolation.In the output of thecircuit,the control chip TSM1 05 2 is used Constantvoltage and constant current control to meet theperformance requirements of high power LED.