FIG 9 shows a graph of load current ILoad relative to the switching frequency fsw under an embodiment where a hysteresis is added to {HEAD ~ the control} of {TAIL ~ the switching frequency} in order to prevent the oscillation of the switching frequency when the peak value of the main switch current pulses changes between two consecutive discrete values 
of
FIG 9 shows a graph of load current ILoad relative to the switching frequency fsw under an embodiment where a hysteresis is added to { HEAD ~ the control } of { TAIL ~ the switching frequency } in order to prevent the oscillation of the switching frequency when the peak value of the main switch current pulses changes between two consecutive discrete values
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH