摘要
将氮化镓功率器件与传统硅基功率器件的物理结构与电气特性进行对比,针对开关电源实物的设计要求,提出一种利用准谐振反激变换器和同步整流电路的氮化镓开关电源,系统输出功率不低于70W,输出电压不低于70V,效率达到90%以上,实现了高效率的开关电源设计和减小原边开关管的开关损耗,验证了该方案的正确性。
This paper compares the physical structure and electrical characteristics of GaN power devices with those of traditional silicon based power devices,and proposes a GaN switching power supply utilizing quasi-resonant flyback converter and synchronous rectifier circuit for the design requirements of switching power supply in kind,it is with the output power of the system being no less than 70W,the output voltage being no less than 70V,and the efficiency reaching more than 90%that realizing the design of high-efficiency switching power supply and the reduction of the primary side switching loss of the switching tube,verifying the correctness of the program.
作者
许安泽
慕光睿
郑煜坤
庞寿全
Xu Anze;Mu Guangrui;Zheng Yukun;Pang Shouquan(School of Physics and Telecommunication Engineering,Yulin Normal University,Yulin Guangxi 537000,China)
出处
《山西电子技术》
2025年第4期58-61,共4页
Shanxi Electronic Technology
基金
玉林师范学院自治区级大创(S202410606119)。
关键词
同步整流
准谐振反激变换器
GAN
自适应负载
synchronous rectification
quasi-resonant flyback converter
GaN
adaptive loading
