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