NCP1680
Features
- Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling
Very High Efficiency & pact Design
- AC Line Monitoring Circuit & AC Phase Detection
- Brownout Detection
- Critical Conduction Mode (Cr M) Operation
- Discontinuous Conduction Mode (DCM) with Valley Turn On under
Light Load Conditions
- Frequency Foldback in DCM with 25 k Hz Minimum Frequency
- Digital Loop pensation
- Simplified Valley Sensing
- Novel Current Limit Scheme Eliminates the Needs for Hall Effect
Sensors
- Soft Skip Mode with a Skip Flag for Optimizing Light Load
Performance
- Near Unity Power Factor in All Operating Modes
- PFCOK Indicator
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
- 5 G/Tele Power Supplies
- Industrial Power Supplies
- Gaming Console Power Supplies
- Ultra High Density (UHD) Power Supplies
- Merchant Power
.onsemi.
SOIC- 16 CASE...
