基于有源箝位反激拓扑的高效DC／DC变换器研究  

Research of High Efficiency DC/DC Converter Based on Active Clamp Fly Back Topology

作　　者：李媛媛[1,2] 杨新国 王毅 刘林[1,2] 刘金鹏 LI Yuan-yuan;YANG Xin-guo;WANG-Yi;LIU-Lin;LIU Jin-peng(No.43 Research Institute of CETC,Hefei 230088,China;Shanghai Radio Equipment Research Institute,Shanghai 200090,China)

机构地区：[1]中国电子科技集团公司第43研究所,合肥230088 [2]上海无线电设备研究所

出　　处：《混合微电子技术》2017年第4期26-31,25,共7页Hybrid Microelectronics Technology

摘　　要：本文介绍了有源箝位软开关技术在高效DC／DC变换器设计中的技术方案，分析了有源箝位反激拓扑电路的原理，并通过一款5W的DC／DC变换器仿真和电路实验结果的比对．验证了有源箝位反激拓扑电路对于提高效率是非常有效的。This paper proposes the technological option in designing high efficiency DC/DC converter based on active clamp fly back topology. The principles of active clamp fly back topology are analyzed. The testing results and simula- tion results are compared through a DC/DC converter （output power of 5W） , the results is proved that the active clamp flyback topology circuit is very effective for improving the DC/DC converter＇s efficiency.

关 键 词：有源箝位 反激拓扑 高效率 

分 类 号：TM402[电气工程—电器]