摘要
介绍了以电流控制型脉宽调制芯片UC3842构成的开关电源的组成原理,分析了其外围电路的缺陷,并提出了一种改进的方法。
The component principle of switching power supply based on current mode controller UC3842 is introduced, the disadvantage of its peripheral circuit is analysed and a new method is proposed.
出处
《电气应用》
北大核心
2005年第7期77-80,共4页
Electrotechnical Application