Description
The L6566A is an extremely versatile current-mode primary controller IC specifically designed for high-performance offline flyback converters operated from front-end Power Factor Correction (PFC) stages in applications supposed to comply with EN61000-3-2 or JEITA-MITI regulations.

FEATUREs
■ Selectable multi-mode operation: fixed frequency or quasi-resonant
■ On-board 700 V high-voltage start-up
■ Advanced light load management
■ Low quiescent current (< 3 mA)
■ Adaptive UVLO
■ Line feedforward for constant power capability vs. mains voltage
■ Pulse-by-pulse OCP, shutdown on overload (latched or autorestart)
■ Transformer saturation detection
■ Switched supply rail for PFC controller
■ Latched or autorestart OVP
■ Brownout protection
■ -600/+800 mA totem pole gate driver with active pull-down during UVLO
■ SO16N package

APPLICATIONs
■ Notebook, TV &LCD monitors adapters
■ High power chargers
■ PDP/LCD TV
■ Consumer appliances, like DVD, VCR, set-top box
■ IT equipment, games, aux. power supplies
■ Power supplies in excess of 150 W