使用UC3842芯片做的60W开关电源，可用于笔记本电脑的电源，具有很好的参考价值。-use UC3842 do 60W switching power supply can be used to power a notebook computer, have a good reference value.

基于MULTISIM和uc3842的反激式升压开关电源的仿真-MULTISIM and uc3842 based flyback step-up switching power supply simulation