Pros and Cons of Digital PWM?

Just a picture to add from wiki
http://upload.wikimedia.org/wikipedi...-Delta_PWM.png

My stupid question is where does one apply heatsinks to the PWM? To the box looking PWM device (labeled R35 on my board) or the mosfets around them? or maybe both is preferred?

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Originally Posted by Vinas

My stupid question is where does one apply heatsinks to the PWM? To the box looking PWM device (labeled R35 on my board) or the mosfets around them? or maybe both is preferred?

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R35 is the choke
and u should apply the Heatsink on those mosfets ;)