Partial analogue-assisted digital low dropout regulator with transient body-drive and 2.5× FOM improvement
Sign Up to like & getrecommendations! Published in 2018 at "Electronics Letters"
DOI: 10.1049/el.2017.4211
Abstract: A partial analogue-assisted (AA) digital low dropout regulator (D-LDO) with also a transient body-drive (BD) technique is proposed. The body of the power switches can be driven by the V OUT transient spike that is… read more here.
Keywords: low dropout; partial analogue; digital low; assisted digital ... See more keywords
Capacitor-Less Low-Dropout (LDO) Regulator With 99.99% Current Efficiency Using Active Feedforward and Reverse Nested Miller Compensations
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2930079
Abstract: In this paper, an output capacitor-less low-dropout (LDO) regulator with 99.99% current efficiency using active feedforward compensation (AFFC) and reverse nested Miller compensation (RNMC) is implemented. To increase the current efficiency, low quiescent current less… read more here.
Keywords: low dropout; less low; capacitor less; current efficiency ... See more keywords
Evaluation and Perspective of Analog Low-Dropout Voltage Regulators: A Review
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3217919
Abstract: 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 modules to provide a smooth, regulated output voltage. Compared to digital… read more here.
Keywords: analog; dropout; evaluation perspective; dropout voltage ... See more keywords
A Successive Approximation Recursive Digital Low-Dropout Voltage Regulator With PD Compensation and Sub-LSB Duty Control
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2017.2766215
Abstract: This paper presents a recursive digital low-dropout (RLDO) regulator that improves response time, quiescent power, and load regulation dynamic range over prior digital LDO designs by 1–2 orders of magnitude. The proposed RLDO enables a… read more here.
Keywords: low dropout; sub lsb; digital low; duty control ... See more keywords
A Fully Integrated Low-Dropout Regulator With Differentiator-Based Active Zero Compensation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2018.2833162
Abstract: An area-efficient low-power fully integrated output-capacitorless low-dropout regulator (OCL-LDO) is presented in this paper. The three-stage OCL-LDO utilizes an embedded differentiator-based active zero compensation technique together with adaptive biasing. The proposed active zero compensation helps… read more here.
Keywords: low dropout; zero compensation; fully integrated; active zero ... See more keywords
A Highly Synthesizable 0.5-to-1.0-V Digital Low-Dropout Regulator With Adaptive Clocking and Incremental Regulation Scheme
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2020.2965151
Abstract: This brief presents a highly synthesizable digital low-dropout regulator (DLDO) based on adaptive clocking and an incremental regulation scheme. With these features, the clock frequency of the shift registers is adaptively changed according to load… read more here.
Keywords: low dropout; highly synthesizable; dropout regulator; synthesizable digital ... See more keywords
A Fully Integrated FVF-Based Low-Dropout Regulator With Wide Load Capacitance and Current Ranges
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2019.2904622
Abstract: The flipped-voltage-follower-based low-dropout regulator (LDO) has drawn attention for its fast response and reduced complexity, while super source follower can be combined to push the pole at the gate of the pass device to high… read more here.
Keywords: low dropout; load capacitance; dropout regulator; load ... See more keywords
Output-Capacitorless Tri-Loop Digital Low Dropout Regulator Achieving 99.91% Current Efficiency and 2.87 fs FOM
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3009451
Abstract: This article presents an output-capacitorless digital low-dropout regulator (OCL-DLDO) for fine-grained on-chip power delivery and management in system-on-chip devices. The proposed OCL-DLDO incorporates three distinct feedback loops: asynchronous, coarse, and fine loops. The asynchronous loop… read more here.
Keywords: low dropout; dropout regulator; output capacitorless; digital low ... See more keywords
Multiphase Digital Low-Dropout Regulators
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2021.3115037
Abstract: In this work, multiphase digital low-dropout (MP-DLDO) regulators are designed with resonant rotary clocks (ReRoCs) in order to improve on the tradeoff of conventional DLDOs between current efficiency and transient response speed. The proposed DLDOs… read more here.
Keywords: speed; multiphase digital; digital low; voltage ripple ... See more keywords