LTC1922-1 PDF File ( Datasheet )

U U LTC1922-1 Synchronous Phase Modulated Full-Bridge Controller FEATURES DESCRIPTIO s Adaptive DirectSenseTM Zero Voltage Switching s Integrated Synchronous Rectification Control for Highest Efficiency s Output Power Levels from 50W to Kilowatts s Very Low Start-Up and Quiescent Currents s Compatible with Voltage Mode and Current Mode Topologies s Programmable Slope Compensation s Undervoltage Lockout Circuitry with 4.2V Hysteresis and Integrated 10.3V Shunt Regulator s Fixed Frequency Ope