12v to 9v 2a step down dc converter using ic 741 and 2n3055 High current 12v-13.8v at 30a,25a,20a,15a power supply 12v circuit 8v 20a 30a 25a 15a regulator elec eleccircuit
3 step down 12v to 9v converter circuits | ElecCircuit.com
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12V to 9V 2A step down dc converter using IC 741 and 2N3055
12 Volt Power Supply LM7812
High Current 12V-13.8V at 30A,25A,20A,15A Power Supply - Elec Circuit