摘要
LM3445是一种与TRIAC调光器兼容的AC/DC降压恒流LED控制器。基于LM3445的反激式LED驱动器,对于由6个串联LED组成的LED串在不使用TRIAC调光器时功率因数>0.93,效率>81%。
The LM3445 is a AC/DC buck constant current LED controller designed to compotible with TRIAC dimmers,The power factor 〉0.93 and the efficiency〉81% of the flyback LED diver based on LM3445 for an LED tring consisting of 6 series LED without using a TRIAC dimmer.
出处
《电源技术应用》
2012年第8期17-21,34,共6页
Power Supply Technologles and Applications