摘要
针对LED的特点提出开关型恒流驱动电路,通过电流与电压负反馈技术的采用,将LED的输入电流控制在一个稳定的电流数值下,同时使电路防止过电压的能力提高,可靠性大为增强。
The paper proposes switching constant flow drive circuit based on the characteristics of LED. By using electric current and a voltage＇ s negative feedback technology, the author controls LED＇ s incoming current under a steady electric current value, and also prevents the circuit from improving its capacity through the voltage so as to increase its reliability.
出处
《长沙航空职业技术学院学报》
2011年第1期41-44,66,共5页
Journal of Changsha Aeronautical Vocational and Technical College
关键词
绿色光源LED
恒流驱动
安全可靠
Green Light LED
constant flow drive
safe and reliable
