摘要
介绍了一款固定频率脉宽调制控制芯片TL494来设计30W电源,分析了电路的结构和具体的电路设计,通过实验样机测试表明,该电路可靠实用,工作稳定,实用价值高,并给出了具体的实验波形。
A kind of based on a fixed frequency PWM power IC TIA94 is introduced for Designing 30W 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
《电源技术应用》
2008年第1期14-19,共6页
Power Supply Technologles and Applications
关键词
双管正激
采样
闭环控制
TL494
Two transistors forward
sampling
closed loop control
TL494
