基于Buck+Half-bridge拓扑的开关电源设计

摘要

研究了一种基于Buck+Half-bridge级联拓扑的DC/DC变换器,此拓扑适合用于研制高压输入、大功率输出的变换器,具有较高的实用和拓展价值.在此分析了该变换器的工作原理,对关键参数进行了设计,随后给出了实验结果,并对实验结果进行了分析.%A DC/DC converter based on Buck+Half-bridge cascade topology is presented.This converter is suitable for high input and high power converter.The operating principle of converter is illustrated and the important parameters are calculated.Then,the experimental results are given and analyzed.