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.

这是36W系列12v3A电源适配器的结构图，对设计36W的电源适配器很有帮助。-This is a 36W power adapter series 12v3A structure, the design of 36W power adapter helpful.