Evaluation and perspective of analog low-dropout voltage regulators: A review

TY Chyan, H Ramiah, SFWM Hatta, NS Lai… - IEEE …, 2022 - ieeexplore.ieee.org
Low-dropout regulators (LDOs) are widely adopted in power management integrated circuits
(PMICs) and serve as a bridge between the switching regulators and individual on-chip …

A 0.5–1 V,− 68 dB power supply rejection capacitorless analog LDO using voltage-to-time conversion in 28-nm CMOS

JH Jang, HD Gwon, TH Kong, JH Yang… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article proposes an analog low-dropout (LDO) regulator using the voltage-to-time
conversion technique to achieve high power-supply-rejection (PSR) at low supply voltages …

A Four-Phase Time-Based Switched-Capacitor LDO With 13-ns Settling Time at 0.5-V Input for Energy-Efficient Computing in SoC Applications

H Kim, C Park, I Park, T Park, S Park… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article presents a four-phase time-based switched-capacitor low-dropout (SCLDO)
regulator that regulates an output load voltage () of 0.35–0.95 V with an input voltage () of …

A Low-Power, Fast-Transient FVF-Based Output-Capacitorless LDO with Push–Pull Buffer and Adaptive Resistance Unit

Y Li, L Wang, Y Wang, S Wang, M Cui, M Guo - Electronics, 2023 - mdpi.com
An output-capacitorless low-dropout regulator (LDO) with a push–pull buffer was presented
in this paper. The proposed push–pull buffer was able to provide a large charge and …

A 54-nA Quiescent Current Capless LDO With-39 dB PSRR at 1 MHz Using a Load-Tracking Bandwidth Extension Technique

T Kim, B Kim, J Roh - … Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
This brief presents a low-dropout regulator (LDO) with wide bandwidth and low quiescent
current. The proposed LDO includes a load-tracking fast feedforward path for bandwidth …

A 0.5–1-V Time–Voltage Hybrid Domain Dual-Loop Analog LDO With Wide-Bandwidth High PSR in 28 nm

JH Jang, HD Gwon, S Yoo, JH Yang… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
This article presents a time and voltage hybrid domain (HD) nested dual-loop analog low-
dropout (LDO) regulator that achieves both wide-frequency-range high power supply …

[HTML][HTML] A 640 nA IQ Output-Capacitor-Less Low Dropout (LDO) Regulator with Sub-Threshold Slew-Rate Enhancement for Narrow Band Internet of Things (NB-IoT) …

Y Zhang, J Cai, J Chen, Y Yin - Micromachines, 2024 - mdpi.com
An ultra-low quiescent current output-capacitor-less low dropout (OCL-LDO) regulator for
power-sensitive applications is proposed in this paper. To improve the gain of the OCL-LDO …

A Battery-input Hysteretic Buck Converter with 430nA Quiescent Current and 5×104 Load Current Dynamic Range for Wearable Biomedical Devices

Z Liu, WL Goh, L Siek, Y Gao - 2023 IEEE Biomedical Circuits …, 2023 - ieeexplore.ieee.org
This paper presents a battery-input hysteretic buck converter with 430nA quiescent current
for wearable biomedical devices. The converter input range is 2.5–4.2 V for rechargeable Li …

A 0-to-35mA NMOS capacitor-less LDO with dual-loop regulation achieving 3ns response time and 1pF-to-10nF loading range

WY Hsu, J Aymerich, X Yang… - … 2023-IEEE 49th …, 2023 - ieeexplore.ieee.org
This paper presents a capacitor-less low-dropout voltage regulator (LDO) based on an
NMOS pass transistor and a dual-loop regulation. The first capacitively-coupled loop …

An NMOS output-capacitorless low-dropout regulator with dynamic-strength event-driven charge pump

Y Xie, B Wang, D Chen, J Guo - Journal of Semiconductors, 2024 - iopscience.iop.org
In this paper, an NMOS output-capacitorless low-dropout regulator (OCL-LDO) featuring
dual-loop regulation has been proposed, achieving fast transient response with low power …