NCL30085 Datasheet - ON Semiconductor

NCL30085 - Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller

Pin No Pin Name Function 1 ZCD Zero Crossing Detection 2 VS Input Voltage Sensing 3 COMP Filtering Capacitor 4 SD Thermal Foldback and Shutdown 5 CS Current Sense 6 GND * 7 DRV Driver Output 8 VCC IC Supply Pin Pin Description Connected to the auxiliary winding, this pin d

NCL30085 Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Line Step Dimming and www.onsemi.com Thermal Foldback 8 The NCL30085 is a power factor corrected flyback controller 1 targeting isolated and non isolated constant current LED drivers.

The controller operates in a quasi resonant mode to provide optimal SOIC 8 NB CASE 751 efficiency.

Thanks to a novel control method, the device is able to tightly regulate

NCL30085 Features

* Quasi

* resonant Peak Current

* mode Control Operation W = Work Week G = Pb-Free Package

* Constant Current Control with Primary Side Feedback

* Tight LED Constant Current Regulation of ±2% Typical

* Power Factor Correction PIN CONNECTIONS 1 ZCD VCC

NCL30085-ONSemiconductor.pdf