摘要
介绍一款基于固定频率脉宽调制控制芯片TL494的30W电源,分析了该电路的结构,给出了具体的电路设计和实验波形。通过实验样机测试表明,该电路实用可靠,工作稳定。
A kind of based on a fixed frequency PWM power IC TIA94 is introduced for designing 30 W power source, the structure and design of circuit are analyzed. The experimental sample shows this kind of circuit has stable operation and practical value and give practical experimental wave.
出处
《通信电源技术》
2007年第6期19-21,共3页
Telecom Power Technology
关键词
双管正激
闭环控制
采样
TL494
two transistors forward
closed loop
control
sampling
TL494
