Voltage-mode controlled synchronous DC-DC buck converter using 0.13[mu] CMOS switches

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Voltage-mode controlled synchronous DC-DC buck converter using 0.13[mu] CMOS switches

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Title: Voltage-mode controlled synchronous DC-DC buck converter using 0.13[mu] CMOS switches
Author: Wolfe, Brandon Ward
Abstract: This report is a study of the effects of a commercial 0.13[mu] process and automotive temperature corners on a synchronous DC-DC buck converter design. The basics of switching converters will be explored with an emphasis on voltage-mode controlled feedback. A Type-III compensation network is designed using transfer function analysis to compensate for the inherent double pole introduced by an LC network. The output of the compensation network will drive a pulse width modulation comparator to vary the duty cycle of the high-side PMOS and low-side NMOS transistor switches. After the synchronous buck converter design was complete, the effect of process and temperature on efficiency, output voltage ripple, inductor peak to peak current, and output voltage load response was examined.
Department: Electrical and Computer Engineering
Subject: Synchronous buck converter Voltage mode control CMOS switches 0.13[mu] process Pulse width modulation
URI: http://hdl.handle.net/2152/ETD-UT-2011-12-4810
Date: 2011-12

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