• Part: NCP1249
  • Description: High-Voltage Current-Mode PWM Controller
  • Manufacturer: onsemi
  • Size: 1.07 MB
NCP1249 Datasheet (PDF) Download
onsemi
NCP1249

Key Features

  • High-voltage Current Source for Lossless Start-up Sequence
  • Remote Input for Standby Operation Control
  • Automatic and Lossless X2 Capacitors Discharge Function
  • Internal and Adjustable Over Power Protection (OPP)
  • +300 mA/ -500 mA Source/Sink Drive Capability Circuit
  • Internal Brown-Out Protection Circuit
  • Frequency Foldback down to 26 kHz and Skip-cycle in Light Load Conditions
  • Adjustable Ramp pensation
  • Internally Fixed 4-ms Soft-start
  • 100% to 25% Timer Reduction from Overload to Short-circuit Fault