Power supplies are available with output voltages ranging from 3.3 volts up to 48 volts DC and power ratings from 25 watts to 150 watts. These units will operate with an AC input of either 115 or 230VAC nominal, and all except the LS150 (AC switch selectable) operate over a wide input range without any user intervention. All the LS models are covered by TDK-Lambda's three year warranty.