Descr iption The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a

基于simetrix 做的UC3845 反激电源仿真设计，便于学习研究和工程应用，可供前期产品设计参考