摘要
本文介绍了一种电流控制型PWM控制器UC3843的特点和工作原理,并分析了其构成开关电源的整体电路结构和工作原理。
in this article, the features and principle of a current controlling mode pulse width modulation controller UC3843 are introduced, Then it analyzes the basic circuit and operating principle of switching power supply, At last, a kind of designing method of single-end fly-back switching power supply based on UC3843 is presented.
出处
《电子质量》
2007年第7期4-6,共3页
Electronics Quality
关键词
开关电源
UC3843
电流控制型
Switching power supply
UC3843
Current controlling mode
