The intermediate voltage across the capacitor is feedback to {TAIL ~ the controller} which in {HEAD ~ turn} changes the PWM signal to regulate the intermediate voltage 
The intermediate voltage across the capacitor is feedback to { TAIL ~ the controller } which in { HEAD ~ turn } changes the PWM signal to regulate the intermediate voltage
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH