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Changing Switching Regulator Output?

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jedd999

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I have an application where I have a circuit involving a switching regulator. Nothing in the circuit can be modified except the feedback loop.

The output voltage must be adjustable so I was thinking of using an eepot for the application, but the range and the precision that I was getting was nowhere close enough to what I need, so I experimented with current injection, but was told that it is a bad idea...

Does anyone have any suggestions for another way to change the output voltage of a switching regulator?

Thanks!
 

what do you mean about "eepot"? maybe you can adjust the feedback (divided) resistor to change the output voltage.
 

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