T2 - Fundamentals of Digital and Digitally-Assisted Linear Voltage Regulators.pdf

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1、SpeakerVideo 2024 IEEE International Solid-State Circuits ConferenceFundamentals of Digital and Digitally-Assisted Linear Voltage RegulatorsArijit RaychowdhurySchool of Electrical and Computer EngineeringGeorgia Institute of Technologyarijit.raychowdhuryece.gatech.eduArijit Raychowdhury1 of 60Fundam

2、entals of Digital and Digitally-Assisted Linear Voltage RegulatorsSpeakerVideo 2024 IEEE International Solid-State Circuits ConferenceArijit RaychowdhuryFundamentals of Digital and Digitally-Assisted Linear Voltage RegulatorsOutline Motivation Discrete Time All-Digital LDOs Q&A Switched Mode Control

3、 Continuous Time LDOs with Digital Gates Unified Voltage and Frequency Regulation Conclusions2 of 60SpeakerVideo 2024 IEEE International Solid-State Circuits ConferenceArijit RaychowdhuryFundamentals of Digital and Digitally-Assisted Linear Voltage RegulatorsOutline Motivation Discrete Time All-Digi

4、tal LDOs Q&A Switched Mode Control Continuous Time LDOs with Digital Gates Unified Voltage and Frequency Regulation Conclusions3 of 60SpeakerVideo 2024 IEEE International Solid-State Circuits ConferenceArijit RaychowdhuryFundamentals of Digital and Digitally-Assisted Linear Voltage RegulatorsFine-Gr

5、ain Power ManagementFine-Grain Power Management High Energy-EfficiencyDifferent cores/functional units can be at different operating points at the same timeThe cache may require higher VCCthan logicIdentical functional units may require different VCCs to perform the same task at the same frequency4

6、of 60Course-grain power managementFine-grain power managementSpace/TimeSpace/TimeEnergyEnergySpeakerVideo 2024 IEEE International Solid-State Circuits ConferencePower Management Challenges in Digital Load Circuits#1Transient Management under Wide Dynamic RangeArijit RaychowdhuryFundamentals of Digit