Power Factor Controller (PPFC) & Quasi-Resonant Flyback Controller, optimized for LED Lighting

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Overview

This PWM controller integrates power factor correction (PFC) and quasi−resonant flyback controllers necessary to implement a compact and highly efficient Ac-Dc LED driver for high performance, low ripple LED lighting applications. The PFC stage utilizes a proprietary multiplier architecture to achieve low harmonic distortion and near−unity power factor while operating in a Critical Conduction Mode (CrM). The quasi−resonant current−mode flyback stage features a proprietary valley−lockout circuitry, ensuring stable valley switching and works down to the 4th valley before toggles to a frequency foldback mode with a minimum frequency clamp beyond the 4th valley to eliminate audible noise. Skip mode operation allows excellent efficiency in light load conditions while consuming very low standby power consumption which is critical in SMART Lighting applications,

  • Ac-Dc Low Ripple LED Drivers
  • LED Electronic Control Gear
  • LED Driver Power Supplies
  • Power Supplies for LED Signage
  • LED Luminaires
  • Medical and Industrial Power Supplies < 250 W
  • <250 W Open Frame Power Supplies
  • Adapters
  • Proprietary Multiplier Based CrM PFC Stage
  • Bi-Level Line Dependent PFC Boost Voltage
  • Boost Diode Short-Circuit Protection
  • Feedforward Control of PFC loop
  • Adjustable PFC Disable Threshold
  • 700 V Rated High Voltage Startup Circuit
  • Quasi-Resonant Current Mode Flyback Controller
  • Valley Lockout and 4 valley operation
  • Frequency foldback with minum frequency clamp
  • Timer-based overload protection
  • Winding and Output Diode Short−Circuit Protection
  • 4 ms soft start timer

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NCL30030B1DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16 NB

1

260

REEL

2500

N

Step-Up

40

700

210

4000

Up to 150

Price N/A

More Details

NCL30030B2DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16 NB

1

260

REEL

2500

N

Step-Up

40

700

210

4000

Up to 150

Price N/A

More Details

NCL30030B3DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-16 NB

1

260

REEL

2500

Y

Step-Up

40

700

210

4000

Up to 150

$0.9491

More Details

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