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NCL30082 Datasheet Dimmable Quasi-Resonant Primary Side Current-Mode Controller

Manufacturer: onsemi

Overview: NCL30082 Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Thermal Fold-back The NCL30082 is a PWM current mode controller targeting isolated flyback and non−isolated constant current topologies. The controller operates in a quasi−resonant mode to provide high efficiency. Thanks to a novel control method, the device is able to precisely regulate a constant LED current 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 components. A robust suite of safety protection is built in to simplify the design. This device supports analog/digital dimming as well as thermal current fold−back. While the NCL30082 has integrated fixed overvoltage protection, the designer has the flexibility to program a lower OVP level.

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Datasheet Details

Part number NCL30082
Manufacturer onsemi
File Size 355.38 KB
Description Dimmable Quasi-Resonant Primary Side Current-Mode Controller
Download NCL30082 Download (PDF)

Key Features

  • Quasi.
  • resonant Peak Current.
  • mode Control Operation.
  • Primary Side Sensing (no optocoupler needed).
  • Wide VCC Range.
  • Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate Clamp.
  • Precise LED Constant Current Regulation ±1% Typical.
  • Line Feed.
  • forward for Enhanced Regulation Accuracy.
  • Low LED Current Ripple.
  • 250 mV ±2% Guaranteed Voltage Reference for Current Regulation.
  • ~0.9 Power Factor w.

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