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MT3608 SEPIC Test and Constant Current Regulation

A project log for OPEN Power

I didn't have enough to buy a Lab Bench PSU... So I made one.

John LoefflerJohn Loeffler 04/10/2019 at 16:530 Comments

Converted a MT3608 Module into a Sepic Converter.  This gives us an Output of about 400mA @12V.   Submitted a design to oshpark including a Constant Current Opamp that controls the Feedback Loop

The Sepic Design was Inspired by https://mysku.ru/blog/aliexpress/36199.html

The Current Control was inspired by Great Scott! -  https://www.instructables.com/id/Adding-a-Current-Limit-Feature-to-a-BuckBoost-Conv/

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