基于UCC3895的移相全桥软开关升压变换器设计  

Design of Voltage-mode Phase-shift Full Bridge Soft Switching DC/DC Converter Based on UCC3895

作　　者：李晓玲[1] 邓焰[1] 何湘宁[1] 

机构地区：[1]浙江大学电气工程学院,浙江杭州310027

出　　处：《电源技术应用》2006年第12期39-42,共4页Power Supply Technologles and Applications

摘　　要：研究了一种新型的高频DC/DC开关功率变换器,采用单电压环移相PWM控制,在比较低的变压器匝比条件与较大的负载范围内实现了开关器件的零电压软开关(ZVS)。最后给出了实验结果和几个主要波形,并做出了详细的说明。A high frequency DC/DC power converter is presented. The control strategy of this converter is voltage-mode phase-shift PWM control. And it achieves zero voltage switching（ZVS） at a wide variety of loads and small turns ratio. At last, the experiment results and waveforms are presented and expounded in detail.

关 键 词：DC/DC变换器 移相PWM控制 零电压软开关(ZVS) UCC3895 升压变换器 

分 类 号：TM464[电气工程—电器]