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High PSRR Full On-Chip CMOS Low Dropout Voltage Regulator for Wireless Applications

by Zared Kamal, Qjidaa Hassan, Zouak Mohcine
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 71 - Number 18
Year of Publication: 2013
Authors: Zared Kamal, Qjidaa Hassan, Zouak Mohcine
10.5120/12584-9159

Zared Kamal, Qjidaa Hassan, Zouak Mohcine . High PSRR Full On-Chip CMOS Low Dropout Voltage Regulator for Wireless Applications. International Journal of Computer Applications. 71, 18 ( June 2013), 7-16. DOI=10.5120/12584-9159

@article{ 10.5120/12584-9159,
author = { Zared Kamal, Qjidaa Hassan, Zouak Mohcine },
title = { High PSRR Full On-Chip CMOS Low Dropout Voltage Regulator for Wireless Applications },
journal = { International Journal of Computer Applications },
issue_date = { June 2013 },
volume = { 71 },
number = { 18 },
month = { June },
year = { 2013 },
issn = { 0975-8887 },
pages = { 7-16 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume71/number18/12584-9159/ },
doi = { 10.5120/12584-9159 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:35:55.775318+05:30
%A Zared Kamal
%A Qjidaa Hassan
%A Zouak Mohcine
%T High PSRR Full On-Chip CMOS Low Dropout Voltage Regulator for Wireless Applications
%J International Journal of Computer Applications
%@ 0975-8887
%V 71
%N 18
%P 7-16
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper presents a high PSRR full on-chip and area efficient low dropout voltage regulator (LDO), exploiting the nested miller compensation technique with active capacitor (NMCAC) to eliminate the external capacitor. A novel technique is used to boost the important characteristic for wireless applications regulators PSRR. The idea is applied to stabilize the Low dropout regulator. The proposed regulator LDO works with a supply voltage as low as 1. 8 V and provides a load current of 50 mA with a dropout voltage of 200 mV. It is designed in 0. 18 µm CMOS technology and the active area on chip measures 241×187 µm2. Simulation results show that the PSR of LDO is -60 dB at a frequency of 60 KHz and -41. 7 dB at a frequency of 1 MHz.

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Index Terms

Computer Science
Information Sciences

Keywords

Low Dropout Regulator (LDO) MOSCAP NMCAC active feedback high PSR system on chip

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