说明：  隔离型DC-DC变换器降压仿真模型.使用了全桥结构,并移相控制算法实现,适用于大功率及对电气隔离有要求的电压变换系统.
(Isolated DC-DC buck converter simulation model using a full-bridge structure, and phase-shift control algorithm for power and electrical isolation required for voltage conversion systems.)