i want to control PWM using TL3842 for the circuit existed in its datasheethttp://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=tl3842&fileType=pdffigure 6( vref will be output of my computer), do you have any notes on this circuit or i will do it as it is in datasheet to drive dc-dc buck converter.
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