20 Amp Variable Power Supply using LM317 June 13, 2018 20 Amp Variable Power Supply using LM317 Posted by Marcel at 10:51 am No Responses Circuit diagrams Tagged with: 2N3055, LM317 20 Amp Variable Power Supply using LM317 This 20 Amp Variable Power Supply varies its output voltage from 1.5 to 15 volts and is based on the well-known variable voltage source configuration, where only the LM317 voltage regulator is used. 128Shares128
