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dc.contributor.advisor 이정협 -
dc.contributor.author Woojin Jang -
dc.date.accessioned 2024-02-29T21:02:29Z -
dc.date.available 2024-02-29T21:02:29Z -
dc.date.issued 2024 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/48110 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000723413 -
dc.description low dropout regulator(LDO);self-oscillating charge pump(SOCP);NMOS pass transistor;highly power-efficient;low VIN operation -
dc.description.tableofcontents Ⅰ. Introduction 1
1.1 Background 1
1.1.1 Types of PMIC 1
1.1.2 Structure of power managing for battery-powered SoC 3

ⅠI. Literature Review 7
2.1 Conventional LDOs 7
2.1.1 Conventional ALDOs 7
2.1.2 Conventional DLDOs 8
2.2 ALDOs Targeted of Low Input Voltage 9
2.2.1 Time-based ALDOs 10
2.2.2 ALDOs with multi-stage EA 11
2.3 Pass Transistor under Low VDO conditions 12
2.3.1 Relationship between VDO and IL 13
2.3.2 Pass transistor selection 15
2.3.3 Limitation for lowering VDO in NMOS LDOs 16

ⅠII. Proposed System 19
3.1 System Design 19
3.1.1 Target specification of proposed LDO 19
3.1.2 Overall architecture of proposed LDO 20
3.2 Circuit Design 22
3.2.1 Self-oscillating charge pump(SOCP) 22
3.2.2 Delay cell 24
3.2.3 Invert phase-synchronized SOCP(I-SOCP) 25
3.2.4 Error amplifier(EA) 26
3.3 Stability Analysis 28

ⅠV. Measurement Results and Conclusions 35
4.1 Measurement Results 35

V. Conclusions and Future Works 47
5.1 Conclusions 47
5.2 Future Works 48


References 50
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dc.format.extent 53 -
dc.language eng -
dc.publisher DGIST -
dc.title A Highly Power-Efficient LDO with Reliable Low Input Voltage Operation -
dc.title.alternative 저전압 입력 전압에서 동작이 가능한 높은 전력효율을 갖는 선형 레귤레이터 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000723413 -
dc.description.degree Master -
dc.contributor.department Department of Electrical Engineering and Computer Science -
dc.contributor.coadvisor Minyoung Song -
dc.date.awarded 2024-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.IM장66 202402 -
dc.date.accepted 2024-01-30 -
dc.contributor.alternativeDepartment 전기전자컴퓨터공학과 -
dc.subject.keyword low dropout regulator(LDO) -
dc.subject.keyword self-oscillating charge pump(SOCP) -
dc.subject.keyword NMOS pass transistor -
dc.subject.keyword highly power-efficient -
dc.subject.keyword low VIN operation -
dc.contributor.affiliatedAuthor Woojin Jang -
dc.contributor.affiliatedAuthor Junghyup Lee -
dc.contributor.affiliatedAuthor Minyoung Song -
dc.contributor.alternativeName 장우진 -
dc.contributor.alternativeName Junghyup Lee -
dc.contributor.alternativeName 송민영 -
dc.rights.embargoReleaseDate 2025-02-28 -
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Department of Electrical Engineering and Computer Science Theses Master

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