R-78Axx-0.5SMD Series - Innoline Regulated DC-DC Converters; Output Voltage (Vdc): 3.3V; Output Current (A): 0.5A; Features: Efficiency up to 97%, Non isolated, no need for heatsinks; SMD Package; Adjustable Output Voltage; Wide input range.(4.75V ~ 34V); Short circuit protection, Thermal shutdown; Remote On/Off Control; UL94V-0 Package Material; Very Low Shutdown Current; See Positive-to Negative Converter Application Note for use as a voltage inverter (alternative to LM79xx Linear)