NCP1623 Description
Enhanced, High-Efficiency Power Factor Controller NCP1623.
NCP1623 Key Features
- Valley Synchronized Frequency Fold-back (VSFF)
- CrM at Heavy Load
- DCM at Light Load by Dead Time Control
- Valley Switching in Both CrM and DCM
- On-time Modulation for High PFC in Both CrM and DCM
- Follower Boost Capability (NCP1623A Only)
- Lowered Output Voltage Regulation at Low Line
- High-Efficient Boost Stage and Downsized Inductor Design
- Skip Mode for Light Load Regulation
- Sleep Mode with Low Current Consumption (SOIC8 Only)