Finally, the two-inductor, two-switch circuit shown in Fig. 1
that is described in [6]–[10] exhibits some interesting properties.
Specifically, the main feature of this circuit is that the voltage
stress of each switch is one half the voltage stress of the switches
in the single-inductor implementation in [5]. In addition, the
input current is distributed evenly through the two boost inductors so that the current ripple in the output capacitor is smaller
than in the single-inductor implementation. However, the major
limitation of the two-inductor circuit in Fig. 1 is its inability to
regulate the load in a wide range with constant-frequency control. To facilitate the explanation of this limitation, Fig. 2 shows
key waveforms of the circuit in Fig. 1
Finally, the two-inductor, two-switch circuit shown in Fig. 1that is described in [6]–[10] exhibits some interesting properties.Specifically, the main feature of this circuit is that the voltagestress of each switch is one half the voltage stress of the switchesin the single-inductor implementation in [5]. In addition, theinput current is distributed evenly through the two boost inductors so that the current ripple in the output capacitor is smallerthan in the single-inductor implementation. However, the majorlimitation of the two-inductor circuit in Fig. 1 is its inability toregulate the load in a wide range with constant-frequency control. To facilitate the explanation of this limitation, Fig. 2 showskey waveforms of the circuit in Fig. 1
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