[0-30V Stabilized Power Supply]

I did not understand friend, I'm very lay. Could you tell me a schematic and a pcb that works correctly with 0-15v 0-3A please?

placa-lado-componentes3-696x412.bmp

You ask me if this works well if it's correct.

[0-30V Stabilized Power Supply]

I'm prescising this same setup but with a regulated output of 0-15v 0-3A for cell phone concerts someone help me please because I'm a beginner in electronics and here where I live I do not have TLE2141 and MC34071 since many thanks to those who can help me

[0-30V Stabilized Power Supply]

 

Does anyone have the PCB and the latest data please

[0-30V 0-3A Latest Data Discussion]

Alguém tem o PCB e os dados mais recente por favor

 

Does anyone have the PCB and the latest data please