This configuration can be found in almost all LM117 manufacturer's manuals. This circuit, specifically for a current of 1.2 A, is from the Motorola Linear Databook of 1990. The MPS2222 is equivalent to the 2N2222.

This configuration can be found in almost all LM117 manufacturer's manuals. This circuit, specifically for a current of 1.2 A, is from the Motorola Linear Databook of 1990. The MPS2222 is equivalent to the 2N2222.