Lm317 with pass transistor circuit regulators Supply power voltage 3a circuit regulator 12v dc adjustable 9v using 6v lm317 adjust variable lm317t 3v 3amp diagram 2v Supply power diagram circuit 12v regulated dc volt voltage ac 220v simple fixed transformer get led do regulator resistor 15vdc
12v regulated power supply circuit diagram
LM317 with pass transistor circuit regulators | ElecCircuit.com
12v Regulated Power Supply Circuit Diagram | CircuitsTune