摘要
采用UCC28061设计了一款工作在交错并联临界模式下300W的电源。交错并联的Boost PFC拓扑结构,能够大大减小输入电流纹波和输出电容电流纹波。实验结果表明,AC85-265V输入时,功率在300W时PF能够达到0.99以上,电流畸变率THD在3%以下。
Operated in Boundary Conduction Mode （BCM） by interleaved Boost architecture, Power supply of 300W is designed. The interleaved Boost converter effectively reduces the input current ripple and the output capacitor current ripple. Experiments show that the circuit has realized the design requirement, in AC180-265V input, and when the output power is 300W the PF can reach more than 0.99, the current distortion rate THD is less than 3%.
出处
《变频器世界》
2014年第8期69-72,共4页
The World of Inverters
