LTC3862 DC-DC Boost Converter Design Problem

Hello Everyone,

I am going to design step up DC-DC converter using LTC3862 but my output voltage is not fixed and i want to vary it using microcontroller. But i could not find any pin in  datasheet to control the output voltage except FB pin.

I don't know how to interface this IC with MCU to control the output voltage. I got all the reference design for fixed output. If anyone can help me to make variable output using LTC3862.

Thanks.

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