Tuesday 19 March 2019

power supply - Can I use a microcontroller to control the output voltage of a switching powersupply?


I am attempting to control a switching power supply from my microcontroller. I am using a LT1377 from linear.


In the diagrams in the datasheet, a voltage divider is used to drive the feedback pin. Is it possible to replace that with a signal from my microcontroller?


EDIT: Thanks for the answers. I am waiting for parts to come in to be able to test the different solutions.




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