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Adaptively-biased capacitor-less CMOS low dropout regulator with direct current feedback

Yat-Hei Lam, Wing-Hung Ki, Chi-Ying Tsui
2006 Proceedings of the 2006 conference on Asia South Pacific design automation - ASP-DAC '06  
A capacitor-less low dropout regulator (LDR) with direct current feedback is proposed.  ...  The dynamic biasing results in an LDR with pole-tracking that extends the bandwidth of the loop gain at high load currents.  ...  SIMULATION AND MEASUREMENT RESULTS The direct current feedback low dropout regulator was fabricated in a 0.35µm CMOS process. Fig.2 shows the simulated loop gain response.  ... 
doi:10.1145/1118299.1118328 fatcat:7tdchcx7zrglfblezlakwpzlce

Adaptively-biased capacitor-less CMOS low dropout regulator with direct current feedback

Yat-Hei Lam, Wing-Hung Ki, Chi-Ying Tsui
Asia and South Pacific Conference on Design Automation, 2006.  
A capacitor-less low dropout regulator (LDR) with direct current feedback is proposed.  ...  The dynamic biasing results in an LDR with pole-tracking that extends the bandwidth of the loop gain at high load currents.  ...  SIMULATION AND MEASUREMENT RESULTS The direct current feedback low dropout regulator was fabricated in a 0.35µm CMOS process. Fig.2 shows the simulated loop gain response.  ... 
doi:10.1109/aspdac.2006.1594658 dblp:conf/aspdac/LamKT06 fatcat:amqovkdqonbkbhzm6qhrpy2rvm

A Fully on Chip Slewrate Enhanced Low Drop-out Voltage Regulator

Debasish Dwibedy, Patri Srihari Rao
2015 Procedia Computer Science  
A novel full on-chip low dropout linear regulator is presented in this paper. This LDO is designed with single ended OTA for better gain which in order improves load regulation.  ...  The LDO presented requires a bias current of 50μA and 200mV dropout voltage and is designed with UMC 130mmrf technology.  ...  Integration, the Fig. acitor-less CMOS a yst. II, Exp. Briefs, A low-dropout regu 5-49, Jan. 2012. low quiescent curr Mok.  ... 
doi:10.1016/j.procs.2015.10.036 fatcat:psib6wg3nzazpdh77bsm4dhafi

CMOS Low-Dropout Voltage Regulator Design Trends: An Overview

Mohammad Arif Sobhan Bhuiyan, Md. Rownak Hossain, Khairun Nisa' Minhad, Fahmida Haque, Mohammad Shahriar Khan Hemel, Omar Md Dawi, Mamun Bin Ibne Reaz, Kelvin J. A. Ooi
2022 Electronics  
Over the decades, the low-dropout (LDO) voltage regulator design has gained attention due to its design scalability with better performance in various application domains.  ...  However, current LDO architectures in micro and nanometer complementary metal–oxide–semiconductor (CMOS) technology face some challenges, such as short channel effects, gate leakage, fabrication difficulty  ...  Switched RC Bandgap Reference ALDO [50]. 3. 1 . 16 . 116 Voltage Difference to Time Converter with Direct Output Feedback A low-dropout regulator scheme modeled based on a voltage difference to time  ... 
doi:10.3390/electronics11020193 fatcat:d6c3zifp3vexzjixalmupuqgfy

Evolution of Low Drop Out Voltage Regulator in CMOS Technologies

Norhaida Mustafa
2015 Przeglad Elektrotechniczny  
The demand for low voltage devices has initiated the development of Low Drop Out (LDO) regulator in manifold.  ...  Tendencje rozwojowe układów LDO (Low Drop Out) w technologii CMOS  ...  CMOS linear regulators can be categorized as low supply current, large current, high voltage, high-speed and Low Drop Out (LDO).  ... 
doi:10.15199/48.2015.12.06 fatcat:ln2ipwrv2zbhnctjlpiwziizca

Design of a Programmable Low Drop-Out Regulator using CMOS Technology
english

Anjali V. Nimkar, Shirish V. Pattalwar
2015 International Journal of Innovative Research in Computer and Communication Engineering  
This paper presents a lowvoltage low-dropout regulator that is capable of providing regulated output with small drop-out voltage and offers a range of different voltages, by using two binary-input control  ...  Low drop-out regulators (LDO) are circuits which are designed to provide a stable and specified DC voltage, with a low input-to-output voltage difference.  ...  Main focus is to design a programmable low-dropout (LDO) voltage regulator that can operate with a very small input output differential voltage with 32nm CMOS technology whose output voltage level is controlled  ... 
doi:10.15680/ijircce.2015.0302036 fatcat:gvl24qiurncyxdkvlsgfym52wu

VLSI IMPLEMENTATION OF A PROGRAMMABLE LOW DROP-OUT VOLTAGE REGULATOR

Anjali V. Nimkar .
2015 International Journal of Research in Engineering and Technology  
A low-voltage low-dropout regulator that uses an Vdd of 1 V to an output of 0.8-0. V, with 32-nm CMOS technology is proposed. By scaling down the technology, we can get lower power consumption.  ...  These advantages allow the proposed LDO regulator to achieve a 60-mV output variation for low load transient, area efficient architecture with low power consumption.  ...  Low dropout and low supply current characteristics of CMOS linear regulators found more advantageous in the world of electronics .LDO regulators enable battery to be used up to the certain limit, and therefore  ... 
doi:10.15623/ijret.2015.0405106 fatcat:inrvx4inyfgyjcmda2cbpejepy

Fast Transient Low-Dropout Voltage Regulator With Hybrid Dynamic Biasing Technique for SoC Application

Chia-Min Chen, Tung-Wei Tsai, Chung-Chih Hung
2013 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
Electron Fast Transient Low-Dropout Voltage Regulator With Hybrid Dynamic Biasing Technique for SoC Application I.  ...  Index Terms-Capacitive coupling, hybrid dynamic biasing, low-dropout regulator, transient response, voltage spike.  ... 
doi:10.1109/tvlsi.2012.2217766 fatcat:x3hvzg54mff5jg3jgfem2276kq

A Capacitorless Low-Dropout Regulator With Enhanced Response Time
응답 시간을 향상 시킨 외부 커패시터가 없는 Low-Dropout 레귤레이터 회로

Jae-Jin Yeo, Jeong-Jin Roh
2015 Journal of IKEEE  
In this paper, an output-capacitorless, low-dropout (LDO) regulator is designed, which consumes 4.5㎂ quiescent current.  ...  We experimentally verify output voltage fluctuation of 260㎷ and recovery time of 0.8㎲ at maximum load current 200㎃. 요 약 본 논문에서는 외부 커패시터가 없는 low-dropout (LDO) 레귤레이터를 설계하였으며, 대기 전류는 4.5㎂ 이다.  ...  Ki, "Output-capacitor- free adaptively biased low-dropout regulator for system-on-chips," I EEE Trans. Circuits Syst. I , Reg. P apers, vol. 57, no. 5, pp. 1017-1028, May 2010. [7] G. A.  ... 
doi:10.7471/ikeee.2015.19.4.506 fatcat:zkrtnj4pv5djrn3ccwhxfo3skm

An Output Capacitor-Less Low-Dropout Regulator with 0–100 mA Wide Load Current Range

Jihoon Park, Woong-Joon Ko, Dong-Seok Kang, Yoonmyung Lee, Jung-Hoon Chun
2019 Energies  
An output capacitor-less low-dropout (OCL-LDO) regulator with a wide range of load currents is proposed in this study.  ...  The structure of the proposed regulator is based on the flipped-voltage-follower LDO regulator. The feedback loop of the proposed regulator consists of two stages.  ...  -J.K. proposed and designed the overall architecture of proposed output capacitor-less low-dropout (LDO) regulator. D.-S.K. contributed in test chip design and layout.  ... 
doi:10.3390/en12020211 fatcat:dr3bdcjb6naodczib5lfdr3vfa

An Integrated Chip High-Voltage Power Receiver for Wireless Biomedical Implants

Vijith Nair, Jun Choi
2015 Energies  
The low drop-out regulator based on the current buffer compensation and buffer impedance attenuation scheme operates with low quiescent current, reduces the power consumption and provides good stability  ...  Measurement results indicate regulator output of 4 ± 0.03 V for input from 5 to 30 V and 10 ± 0.05 V output for input from 11 to 30 V with load current 0.01-100 mA.  ...  When V Bat greater than or equal to 2.4 V and V Bat less than or equal to 3.54 V, the battery is directed to CC charging with a 10-mA current.  ... 
doi:10.3390/en8065467 fatcat:whmgddcfavcc5msp72ma337c7a

Architectural Advancement of Digital Low-Dropout Regulators

Muhammad Abrar Akram, In-Chul Hwang, Sohmyung Ha
2020 IEEE Access  
Akram et al.: Digital Low-Dropout Regulators VOLUME 1, 2020 VOLUME 1, 2020  ...  A large current driving, analog-assisted DLDO [97] proposes a direct ac-coupled high-impedance (ACHZ) feedback loop to dynamically enhance its load transient performance.In addition, its regulation accuracy  ...  In addition, he was also involved in the development of adaptive and distributed PMU based on unified voltage and frequency regulators.  ... 
doi:10.1109/access.2020.3012467 fatcat:qpkm4ix7nbaopfwr4zr3nmx2a4

Design Topologies of a CMOS Charge Pump Circuit for Low Power Applications

Labonnah Farzana Rahman, Mohammad Marufuzzaman, Lubna Alam, Mazlin Bin Mokhtar
2021 Electronics  
Besides, continuous power supply reduction, low implementation cost, and high efficiency can be managed using CP circuits in low-power applications in the complementary metal-oxide-semiconductor (CMOS)  ...  Applications such as non-volatile memories (NVM), radio frequency identification (RFID), high voltage generators, switched capacitor circuits, operational amplifiers, voltage regulators, and DC–DC converters  ...  Additionally, a highly stable and regulated high voltage generation process is desirable to the researchers who deal with low power design specifications in CMOS.  ... 
doi:10.3390/electronics10060676 fatcat:w7cmhmym6vbr7emisjvxps3xqq

Smooth Pole Tracking Technique by Power MOSFET Array in Low-Dropout Regulators

Yung-Hsin Lin, Kuo-Lin Zheng, Ke-Horng Chen
2008 IEEE transactions on power electronics  
Experimental results promise the stability and show the improvement of load and line regulations. Index Terms-Capacitor-free, complex pole, low-dropout regulator (LDO), power MOSFET array, -reduction.  ...  This paper proposes an advanced -reduction technique of pole-splitting compensations for low dropout (LDO) regulator.  ...  Direct current feedback [5] is proposed to dynamically basing the LDO regulator for alleviating the slewing problem of operational amplifier.  ... 
doi:10.1109/tpel.2008.2002053 fatcat:4hsz2577qrcwli7w6fql777d6e

High efficiency power management system for solar energy harvesting applications

Ming-Hung Chang, Jung-Yi Wu, Wei-Chih Hsieh, Shang-Yuan Lin, You-Wei Liang, Hwang Wei
2010 2010 IEEE Asia Pacific Conference on Circuits and Systems  
Stability Scheme of Voltage Regulator The Dynamic-Biased Shunt Feedback Buffer A typical structure of a low-dropout regulator shows in Fig. 3 The r o1 is the output resistance of the error amplifier  ...  This problem can be mitigated by using replica biasing with a fast local feedback loop for load regulation.  ... 
doi:10.1109/apccas.2010.5774960 dblp:conf/apccas/ChangWHLLH10 fatcat:bqqpccwdorbstnxk3rl7xexn7u
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