Full metadata record
DC Field | Value | Language |
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dc.contributor.advisor | 이정협 | - |
dc.contributor.author | MinKyung Kim | - |
dc.date.accessioned | 2019-08-22T16:01:37Z | - |
dc.date.available | 2020-02-28T09:21:31Z | - |
dc.date.issued | 2019 | - |
dc.identifier.uri | http://dgist.dcollection.net/common/orgView/200000216335 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/10478 | - |
dc.description | Charge Pump, Low ripple, High efficiency | - |
dc.description.abstract | As IoT(Internet of Things) , circuit system also requires a high degree of integration. The power supply is essential for the circuit, and the power supply circuit is also required to be small in size. Switching DC-DC converters or Lin-ear DC-DC converters, also known as power supply circuits, are not suitable for powering integrated circuits because of their large size. In this paper, a high efficiency switched-capacitor based charge pump for integrated circuits is dis-cussed. It also has the advantage of using a multi-phase structure to keep the output voltage constant.|본 논문에서는 출력 전압을 가변하는 병렬 구조의 자가 발진 전압 승압 회로를 제안하였다. 집적회로에 전력을 공급하는 데 있어서 clock 신호가 필수적이었으나, clock 신호 대신 ring oscillator를 이용해 자체적으로 clock신호를 만듦으로써 충전 커패시터에 충전 및 방전이 가능해져 전력 손실을 줄일 수 있다. 또한, multi-phase 구조에 latch를 더해 병렬 연결된 ring oscillator가 서로 반대 위상으로 동작해 output ripple을 줄임으로써 별도의 필터나 LDO 없이 부하에 clean한 DC 전압을 줄 수 있다. 또한, 지연 cell의 지연시간을 조절함으로써 출력 전압 및 해당 부하의 최고 전력 효율을 가지는 지점을 찾을 수 있다. 본 논문에서는 최고 82%의 전력 효율을 달성했고, 최소 output ripple은 출력 전압의 0.15%를 달성하였다. | - |
dc.description.statementofresponsibility | open | - |
dc.description.tableofcontents | Abstract i List of Contents ii List of Tables iii List of Figures vi Ⅰ. Introduction 2 1.1 DC-DC Converter 3 1.2 Conventional Charge Pump 5 1.2.1 Cockcroft-Walton Charge Pump 5 1.2.2. Dickson Charge Pump 6 1.2.3. Cross-Coupled Voltage Doubler 8 II. Background Information 10 2.1 Power Efficiency 10 III. Proposed System 11 ⅠV. Schematic Design and Layout 17 V. Results 23 VI. Conclusion 27 VII. References 28 |
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dc.format.extent | 38 | - |
dc.language | eng | - |
dc.publisher | DGIST | - |
dc.source | /home/dspace/dspace53/upload/200000216335.pdf | - |
dc.title | A Low-Ripple Charge Pump based on a Parallelized Ring Oscillator with Latches | - |
dc.type | Thesis | - |
dc.identifier.doi | 10.22677/thesis.200000216335 | - |
dc.description.degree | Master | - |
dc.contributor.department | Department of Information and Communication Engineering | - |
dc.contributor.coadvisor | Jaeha Kung | - |
dc.date.awarded | 2019-08 | - |
dc.publisher.location | Daegu | - |
dc.description.database | dCollection | - |
dc.citation | XT.IM 김38 201908 | - |
dc.date.accepted | 2019-07-01 | - |
dc.contributor.alternativeDepartment | 정보통신융합전공 | - |
dc.embargo.liftdate | 2019-07-02 | - |
dc.contributor.affiliatedAuthor | Lee, Junghyup | - |
dc.contributor.affiliatedAuthor | Kung, Jaeha | - |
dc.contributor.affiliatedAuthor | Kim, MinKyung | - |
dc.contributor.alternativeName | 궁재하 | - |
dc.contributor.alternativeName | 김민경 | - |
dc.contributor.alternativeName | Junghyup Lee | - |
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