• Part: NCL2801
  • Description: High-Efficiency Power Factor Controller
  • Manufacturer: onsemi
  • Size: 421.54 KB
NCL2801 Datasheet (PDF) Download
onsemi
NCL2801

Key Features

  • Near-Unity Power Factor
  • Critical Conduction Mode (CrM)
  • Valley Count Frequency Fold-Back (VCFF)
  • Peak Current Control Mode to Maintain a Proper Current Shaping in VCFF Mode
  • Fast Line / Load Transient pensation (Dynamic Response Enhancer) Option
  • Brown-out Detection
  • Two-level Line Feed-Forward (HL&LL)
  • Valley Turn-on (No Valley Hoping by Construction)
  • High Drive Capability: -500 mA / +800 mA
  • VCC Range: from 10.5 V to 27 V

Applications

  • Lighting Ballasts (LED, Fluorescent)