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The LT8315 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 transformer size, and maintains high efficiency. At start-up, the LT8315 charges its INTV CC capacitor via a current source attached to the DRAIN pin. During normal operation, the current source turns off and the device draws its power from a third winding on the transformer. The LT8315 operates from a wide range of input supply voltages and can deliver up to 15W of power. It is available in a thermally enhanced 20-pin TSSOP package with four pins removed for high-voltage spacing. Applications Isolated Telecom, Automotive, Industrial, Medical Power Supplies Isolated Off Line Housekeeping Power Supplies Electric Vehicles and Battery Stacks

IC REG FLYBACK 800MA 20TSSOP

IC REG FLYBACK 800MA 20TSSOP

IC REG FLYBACK 800MA 20TSSOP

IC REG FLYBACK 800MA 20TSSOP

LT8315 - 700V/300MA NO-OPTO FLYB

IC REG FLYBACK 800MA 20TSSOP

IC REG FLYBACK 800MA 20TSSOP