AC-DC LED Drivers | NCL30081

Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting

Obsolete

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Overview

The NCL30081 is a PWM current mode controller targeting isolated flyback and non-isolated buck-boost 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. This controller has integrated 5 step log dimming which allows and LED bulb to be dimming from a standard wall switch.

  • Integral LED Driver Electronics

  • LED Bulbs and Downlights
  • LED Driver Power Supplies
  • Electronic Control Gear for LEDs

  • Primary Side Sensing
  • Wide VCC Range
  • Precise LED Current Regulation of ±1% typical
  • ~ 0.90 PF with passive valley fill
  • Open and shorted output protection
  • Secondary Diode Short Protection
  • Shorted Current Sense Fault Detection
  • Input Line Voltage Sensing
  • Auto-recoverable (B-version) and Latched (A-version) fault handling
  • Wide Temperature range of -40 to 125 °C

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NCL30081ASNT1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

Flyback

9.4

26

200

3000

Up to 150

Price N/A

More Details

NCL30081BSNT1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

N

Flyback

9.4

26

200

3000

Up to 150

Price N/A

More Details

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