This reference design guide describes the specification, theory of operation, test results and design reference of wireless smart dimming LED driver using FL7740, FL7760 and RSL10. The LED driver is composed of 50 W FL7740 PFC flyback and two channel FL7760 DC−DC buck in which each channel drives 25 W. Test results are obtained by using 25 W single channel of the FL7760 buck driver.
Key Features
• Accurate Constant LED Current Regulation
• Excellent Power Factor and THD with Sinusoidal Current Shape
• Wide PWM Dimming Range < 1 %
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