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Very Large Yes Linear

By Vishal Gupta, Prof Gabriel Rincón-mora and Poor Psrr At High


The schematics of two novel reference-regulator circuits have been presented. These use lateral PNP transistors that are available in standard CMOS technologies. The accuracy performance of these references over conventional designs is enhanced due to the use of bipolar devices as input stages of the amplifier. The low Early voltage and β-variation, characteristic of these devices, has been accounted for in the designs. GEDC Industry Advisory Board, April 2004. © 2004 Georgia Electronic Design Center. All Rights Reserved. Redistribution for profit prohibited. Motivation • Mobile systems ⇒ low voltage headroom ⇒ constraints on accuracy, low dropout • Mobile systems ⇒ SoC and SoP ⇒ noisy ⇒ linear regulators to shield load circuit from power supply noise over large frequency range. V D

Topics: Mismatch
Year: 2011
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