FIG. 2 is a circuit diagram exemplifying a conventional
DC/DC converter that accompanies a peak current control.
A feedback ampli?er (error ampli?er) 1 generates a control
signal Icml for controlling the electric current ?oWing into an inductor L based on a difference betWeen a voltage obtained
by dividing an output voltage VOW With resistors R1 and R2
and a reference voltage Vref. The level of the control signal
1cm, rises With the decrease of the output voltage V and
falls With the increase of the output voltage V0,”.