I've almost finalized my design for an adjustable power supply, and I would really appreciate some feedback. I based this partially on Dave's design, but I've moved the current regulation portion of the circuit to after the load. This has the advantage of simplifying the circuit a bit, and also makes it so that the LM334 that provides the minimum load for the LT3080 can operate down to the minimum voltage output. Also, this makes it so that the current limiting circuit does not "take into account" the 1mA drawn by said LM334.
The circuit uses two potentiometers, one to adjust the voltage across the load from 0 to 6 volts, and the other to adjust the current limit from 0 to 1 amps.
I'd appreciate if someone could tell me:
1. Whether this is safe for for the LT3080. I only ordered two, and those things are four bucks a pop, so I'd rather not let any magic smoke escape.
2. What disadvantages or problems might arise from placing the current regulation portion where it is.
Any other feedback would also be greatly appreciated.
Edit: Whoops, I messed up the attachments somehow. The two are the same.