What Happens if You Add too Much Compensating Ramp? Part 2: Poor stability and How Do We Fix it?

Описание к видео What Happens if You Add too Much Compensating Ramp? Part 2: Poor stability and How Do We Fix it?

Most modern peak current mode ICs these days, add the compensating ramp internally. They rarely add too little ramp, but sometimes they can add too much.

So what happens if you add too much ramp? In this second installment of our 2 part video series, Dr Seyed Ali Shirsavar from Biricha, will explain exactly why if we add too much compensating ramp to a peak current mode controller, it will starts lose a lot of phase margin and may cause instability. He will also show how to fix the problem if you simply can not reduce the amount of ramp

As it is common in our videos we have included some real life measurements to show what happens under experimental conditions.

You can download a more detailed presentation here:
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