current source 1A,15V

munuswamy sony

Other Parts Discussed in Thread: LM317

Hai..!

Am new for designing,i want to design a 15V , 1A current source circuit...what op amps can i use and please suggest me an idea on this designing...

over 13 years ago

0 Ron Michallick over 13 years ago

TI__Guru**** 174576 points

Munuswamy,

I suggest the LM317 as a 1A source and a uA7815 for a 15V output. The uA7815 drop out is about 2V and the same for the LM317 plus 1.25V on the resistor. So the input voltage should be greater than 20.25V, 15V+2V+2V+1.25V.

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current source 1A,15V