摘要
本文介绍了一款高亮LED驱动芯片HV9930,对HV9930的特点及性能作了详细说明,用Cuk变换器为主电路,以HV9930为控制芯片,设计了一款高亮LED驱动电路,该电路能在较宽的输入电压范围内保持输出电流的稳定,实现了LED的可靠照明。
An IC HV9930 used for LED driver is introduced hereof.The feature and performance of the chip is studied specifically.Adopting Cuk converter as the main circuit,with resort to HV9930,A circuit is designed for LED driver.The circuit is capable to maintain output current stable while input voltage varies in considerable amount.
出处
《照明工程学报》
北大核心
2010年第5期78-80,85,共4页
China Illuminating Engineering Journal
基金
上海市科委基金资助项目(08530511500)
