基于全桥移相控制器UC3879的开关电源设计  

Power Supply Design Base on Full-bridge Phase-shift Controller UC3879

作　　者：梁军龙 

机构地区：[1]国营大众机械厂第一研究所,山西太原030024

出　　处：《山西电子技术》2012年第1期8-9,15,共3页Shanxi Electronic Technology

摘　　要：采用全桥移相型PWM控制器UC3879进行了300 W开关电源的设计。实验结果表明:在开关电源的设计过程中采用全桥移相控制技术,可有效降低电磁噪声,电源的动态响应快,通用性好,工作可靠。满足系统控制指标,具有较强的鲁棒性。In this paper, the 300W switching power supply is designed using full-bridge phase-shift PWM controller UC3879. The results show that in the process of design, the using of full-bridge phase-shift control technology can effectively reduce the electromag- netic noise; the power has fast dynamic response, good versatility, reliable work, strong robustness, and can meet the system control target.

关 键 词：UC3879 全桥移相 开关电源 

分 类 号：TN861[电子电信—信息与通信工程]