NCP1681
Features
- Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling
Very High Efficiency & pact Design
- AC Line Monitoring Circuit & AC Phase Detection
- Brownout Detection
- Digital Loop pensation
- Novel Current Sensing Scheme Providing Inductor Current Upslope and Downslope Sensing
- PFCOK Indicator
- Skip/Standby Mode for Optimizing Light Load Performance
- Near- Unity Power Factor in All Operating Modes
Multi- Mode Operation
- Continuous Conduction Mode (CCM) in Heavy- Load Conditions
- Critical Conduction Mode (Cr M) in Light & Medium Load
Conditions
- Optional Fixed Frequency CCM Across Load Range
- Simplified Valley Sensing
Safety Features
- Soft and Fast Overvoltage Protection
- 2- level Latch Input for OVP & OTP
- Bulk Undervoltage Protection
- Internal Thermal Shutdown
- Cycle- by- cycle Current Limit
Applications
- Cloud/Server Power Supplies
- High Performance puting
- 5G/Tele Power Supplies
- Industrial Power Supplies
- Ultra- High Density (UHD) Power Supplies
- Merchant...
