Fairchild FL7730 220VAC 8.4W LED灯解决方案
Fairchild 公司的FL7730是可调光的单级PFC离线LED驱动器,和传统的TRIAC控制兼容,和无调光灯设计兼容,不需要输入大电容和反馈电路,具有开路,短路保护,逐个周期的限流,起动电流20uA,工作电流5mA,应用电压倒80VAC ~ 308VAC,主要用于照明.本文介绍了FL7730主要特性,方框图以及8.4W LED照明灯主要性能指标,灯外形,PCB电路图,材料清单和PCB元件布局图.
This highly integrated PWM controller, FL7730MY, provides several features to enhance the performance of single-stage flyback converters. The proprietary topology, TRUECURRENT™, enables the simplified circuit design for LED lighting applications.
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