Description

Offline Switching Regulator Features: The LT1103 is Obsolete: Datasheet For Information Purposes Only. Contact Analog Devices for potential replacement. The LT1105 is still available. ±1% Line and Load Regulation with No Optocoupler Switch Frequency Up to 200kHz Internal 2A Switch and Current Sense (LT1103) Internal 1A Totem-Pole Driver (LT1105) Start-Up Mode Draws Only 200µA Fully Protected Against Overloads Overvoltage Lockout of Main Supply Protected Against Underdrive or Overdrive to FET Operates in Continuous or Discontinuous Mode Ideal for Flyback and Forward Topologies Isolated Flyback Mode Has Fully Floating Outputs