The INN3949CQ-TL from Power Integrations is a DC to DC Converter with Input Voltage 40 to 1200 V, Output Voltage 1 5 to 24 V, Output Power 10 to 70 W, Operating Temperature -40 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for INN3949CQ-TL can be seen below.