buck converter is very poplar and bring good results.

But how to control its output voltage? such as I want=20
a power sin wave voltage source. pic pwm can do sin wave
quite well, but it can't drive a 10 A buck converter.

Lot of tps buck converter can do good dc/dc job, but
can have sin wave.

How to put buck converter undear pic control?
Any resources and hints?=20

Can I put an op adder, in Vsense resistance net, where
existing converter frequence.

Or, a dsPIC is the only solution to deal with pic pwm and
buck converter frequence?





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