variable current regulator schematic ?

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thebadtall

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Hello I am interested in making a variable current regulator, and found some info about the L200 ic
**broken link removed**
But instead of L200 can you suggest something else ? (for up to 2A)
Thank you
 

Hello, I am actually interested in variable current ,and secondarily in variable voltage .
However, I focus on variable current, as I can regulate the voltage on a previous section
 

Constant I can be easily made with LM317 respectively LM350 for > 1.5A.
L200 is somehow unique in the simple constant I/V configuration.
There are example schematics for I/V regulation in the LM337/350 datasheets, but they need a lot of additional components,
 
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