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NCL37733

Part Number	NCL37733
Manufacturer	ON Semiconductor
Description	LED Lighting Controller
Published	Apr 4, 2022
Detailed Description	Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting Below 25 W NCL37733 The NCL...
Datasheet	NCL37733 PDF File

Overview

Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting Below 25 W NCL37733 The NCL37733 is a compact driver for power−factor corrected flyback and non−isolated buck−boost and SEPIC converters.
The controller operates in a quasi−resonant mode to provide optimal efficiency, and embeds a proprietary control method which allows the LED current to be tightly regulated from the primary side, thus eliminating the need for a secondary−side feedback circuitry and for an optocoupler.
Housed in a TSOP−6 package, the device is highly integrated with a minimum number of external components.
A robust suite of safety protection is built in to simplify the design.
This device is specifically intended for very compact space efficient designs.
Features • Quasi−resonant Peak Current−mode Control Operation • Constant Current Control with Primary Side Feedback • Tight LED Constant Current Regulation of ±2% typical • Near−Unity Power Factor (>0.
95 typically) • Optimized...

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NCL37733 LED Lighting Controller - ON Semiconductor

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