基于半桥LLC谐振变换器的多路输出辅助电源设计  

Design of Multi-roads Output Auxiliary Power Supply Based on Half-bridge LLC Resonant Converter

作　　者：谢文涛[1] 李晗[1] 

机构地区：[1]浙江大学电力电子国家重点实验室,浙江杭州310027

出　　处：《电源技术应用》2007年第2期10-13,共4页Power Supply Technologles and Applications

摘　　要：根据辅助电源高可靠性、高稳定性、低电磁干扰的要求,详细介绍了基于半桥LLC谐振变换器的多路输出辅助电源关键参数以及驱动和启动电路设计。主电路采用零电压准谐振变换器控制芯片UC3863控制。实验结果验证了设计的正确性。According to the high reliability, high stability and low EMI criterions in auxiliary power supply systems, the design of the key parameters of Multi-roads output auxiliary power supply based on half-bridge LLC resonant converter, and drive circuit and startup circuit are introduced. The main circuit uses the Zero-voltage resonant-mode power supply controller UC3863. The experimental results verify the correctness of the proposed design.

关 键 词：辅助电源 LLC谐振变换器 UC3863 

分 类 号：TM464[电气工程—电器]