LT8311
FEATURES
LT8311 Synchronous Rectifier Controller with Opto-Coupler Driver for Forward Converters DESCRIPTION n Wide Input Supply Range: 3.7V to 30V n Preactive Mode: n No Pulse Transformer Required n DCM Operation at Light Load n SYNC Mode: n FCM or DCM Operation at Light Load n Achieves Highest Efficiency n 1.5% Feedback Voltage Reference n 10m A Opto-Coupler Driver n Output Power Good Indicator n Integrated Soft-Start Function
APPLICATIONS n Offline and HV Car Battery Isolated Power Supplies n48V Isolated Power Supplies n Industrial, Automotive and Military Systems
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The LT®8311 is used on the secondary side of a forward converter to provide synchronous MOSFET control and output voltage feedback through an opto-coupler. The LT8311’s unique preactive mode allows control of the...
