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

Datasheet Summary

Description

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

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.

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Datasheet Details

Part number NCL30085
Manufacturer ON Semiconductor
File Size 319.25 KB
Description Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller
Datasheet download datasheet NCL30085 Datasheet
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Full PDF Text Transcription

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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 a constant LED current from the primary side. This MARKING DIAGRAM removes the need for secondary side feedback circuitry, biasing and an 8 optocoupler. The device is highly integrated with a minimum number of external components. A robust suite of safety protection is built in to simplify L30085x ALYW G the design.
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