R-78Bxx-1.5(L) Series - Innoline Regulated DC-DC Converters; Output Voltage (Vdc): 3.3V; Output Current (A): 1.5A; Features: Efficiency up to 95%,Non isolated, no need for heatsinks; Pin-out compatible with LM78XX Linears; Low profile( L*W*H=11.5*8.5*17.5mm); Wide input range.(4.75V ~ 18V); Short circuit protection, Thermal shutdown; Non standard outputs available as specialsbetween 1.5V ~ 6.5V; Low ripple and noise; ?L? Version with 90?? pins