LT8315

LT8315 560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch Features Description nn Wide Input Voltage Range: 18V to 560V nn 630V/300mA Integrated Power Switch nn No Opto-Isolator Required for Regulation nn Quasi-Resonant Boundary Mode Operation nn Constant-Current and Constant-Voltage Regulation nn Low-Ripple Light Load Burst Mode® Operation nn Low Quiescent Current: 70μA nn Programmable Current Limit and Soft-Start nn TSSOP Package with High-Voltage Spacing Applications nn Isolated Telecom, Automotive, Industrial, Medical Power Supplies nn Isolated Off-Line Housekeeping Power Supplies nn Electric Vehicles and Battery Stacks The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces transforme...