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NCL30185

Part Number	NCL30185
Manufacturer	ON Semiconductor
Description	Quasi-Resonant Primary Side Current-Mode Controller
Published	Aug 9, 2019
Detailed Description	NCL30185 Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Line Step...
Datasheet	NCL30185 PDF File

Overview

NCL30185 Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Line Step Dimming and www.
onsemi.
com Thermal Foldback The NCL30185 is a controller targeting isolated and non−isolated “smart−dimmable” constant−current LED drivers.
Designed to support flyback, buck−boost, and SEPIC topologies, its proprietary current−control algorithm provides near−unity power factor and 8 1 SOIC−8 NB CASE 751 tightly regulates a constant LED current from the primary side, thus eliminating the need for a secondary−side feedback circuitry or an optocoupler.
Housed in the SOIC8, the NCL30185 is specifically intended for very compact space−efficient designs.
The device is highly integrated MARKING DIAGRAM 8 L30185x ALYW G with a minimum number of external components.
A robust suite of safety protections is built in to simplify the design.
To ensure reliable operation at elevated temperatures, a user configurable current foldback circuit is also provided.
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