NCL30086

NCL30086 Analog/Digital Dimmable Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting www.onsemi.com The NCL30086 is a power factor corrected flyback controller targeting isolated and non−isolated “Smart−dimmable” constant current LED drivers. The controller operates in a quasi−resonant mode to provide optimal efficiency. The current control algorithm supports SOIC−10 CASE 751BQ flyback, buck−boost, and SEPIC topologies. Thanks to a novel control method, the device is able to tightly regulate a constant LED current MARKING DIAGRAM from the primary side. This removes the need for secondary side feedback circuitry, biasing and an optocoupler. The device is highly integrated with a minimum number of external L30086x ALYW components. A robust suite of safety protection is built in to simplify G the design. This device is specifically intended for very compact space efficient designs and supports analog and PWM dimming with a dedicated dimming input intended to control the average LED current. To ensure reliable operation at elevated temperatures, a user configurable current foldback circuit is also provided. The NCL30086 is housed in the SOIC10 which has the same body size as a standard SOIC8. L30086x = Specific Device Code x = A, B, C, D A = Assembly Location L = Wafer Lot Y = Year Features W = Work Week G = Pb-Free Package Quasi−resonant Peak Current−mode Control Operation Constant Current Control with Primary Side F...