An Area- and Power-efficient Monolithic Buck Converter with Fast Transient Response
Tsui, Sam Y. S.
Mok, Philip K. T.
|Source||PROCEEDINGS OF THE IEEE 2009 CUSTOM INTEGRATED CIRCUITS CONFERENCE, 2009, p. 307-310|
|Summary||A voltage-mode Buck converter with a novel Pseudo-Type III compensation is presented. It maintains the fast load transient response, as confirmed by the measured loop gain, and 7 mu s settling time for 500mA load current step. It also transforms the Type III compensator into a summation of an area- and power-efficient error amplifier plus a low-power band-pass filter. Consequently, the area and power consumption of proposed compensator is reduced by 80% and 85%.|
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