Tangent Easy Power Supply

Features of the TEPS design:

Works with any of the LM317 family regulators including the LDO variants. (LM1086, LT1085...)
Dual-layer professional circuit boards with 2-ounce copper available. These have a larger ground plane than on the single-layer artwork you can dowload below.
Accommodates Amveco 5VA through 25VA board-mount toroidal transformers.
Adjustable output voltage.
Large heat sink for high output currents.
Optional on-board line filter.
Easily configured for operation on any world power system.
Discrete TO-220 and DO-201 rectifiers allow use of high-end diodes.
STEPS board fits the popular Hammond 1455N12 case exactly (dimensions: 3.925" × 4.725"; approx. 100mm × 120mm)