Hallo everybody! That an output transistor did not warm up, offer here such regulator. He supports the difference of tension between an entrance and output of stabilizator equal 6v. Works, it is tested! It is taken with http://radiokot.ru/circuit/power/supply/02/ You will forgive me my bad English :(
0-30 Vdc Stabilized Power Supply
in Projects Q/A
Posted
No, it for http://www.electronics-lab.com/projects/power/003/index.html
On SMD details. If take interest, can throw down *.lay file