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Marius BUDĂEŞ, Liviu GORAŞ
Burst Mode Switched Capacitor Voltage Converter Modeling and Design
Abstract. An inductorless switched - capacitor (SC) DC-DC voltage
converter and a model based on the averaging technique are presented. The model
was validated through circuit level simulations for a SC converter designed
using CMOS 0.18 um technology, capable to deliver output currents up to 100 mA
at a regulated low ripple 3.3 V output voltage, for input voltages between 1.8 V
and 3.2 V and can be used for other design specifications as well. The converter
automatically switches to burst mode when the output current decreases. The
value of the output current is detected without the use of inductors or
resistors.
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