Multiple Choice Questions When designing a true Bluetooth wireless headset, it is possible to use a The buck boost conve

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Multiple Choice Questions
When designing a true Bluetooth wireless headset, it is possible to
use a The buck boost converter is incorrect in the following
ways.
(a) The static current of a buck boost converter is mainly consumed
in switching losses.
(b) The buck boost converter has a relatively low quiescent current
when buck boost is applied.
(c) The buck boost converter needs to be switched at VOUT at the
switching point between step-down and step-up. (c) The switching
point between buck boost converter and boost converter is judged
when VOUT is much smaller than VBAT.
(d) The switching point between buck boost converter (d) The
switching point between buck boost converter and boost converter
should be judged when VOUT is much larger than VBAT. (e) By
reducing the bias current of the comparator (e) By reducing the
bias current of the comparator, the static current of the buck
boost converter can be reduced. (e) By reducing the bias current of
the comparator, the static current of the buck boost converter can
be reduced.