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| Presentation | 2018-01-30 15:10 Input Acrive-Clamp Circuit for Low Power AC/DC Converter Shohtaroh Sohma, Yuji Takeyama (RICOH Electronic Devices Co., Ltd), Nishijima Kimihiro, Shoya Takashita, Terukazu Sato (Oita Univ.)  EE2017-74 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To achieve miniaturization and high efficiency of AC adapter for laptop PC, this paper proposes an isolated AC/DC converter with input voltage active-clamp circuits. The essential feature of the active-clamp method is to clamp a worldwide AC input voltage (85 V to 264 V) to a predetermined voltage by using the input active-clamp switch so as to limit the voltage to be applied to the trailing-stage circuit. Thus, this feature not only allows the use of low withstand voltage component at a low cost but also downsizes the smoothing capacitors. This paper presents the advantages and challenges of the active-clamp technique applied to the isolated AC/DC converter. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | AC adapter / AC/DC converter / Active clamp / ZVS / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 424, EE2017-74, pp. 183-188, Jan. 2018. | |
| Paper # | EE2017-74 | |
| Date of Issue | 2018-01-22 (EE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EE2017-74 |
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| Conference Information | |
| Committee | EE |
| Conference Date | 2018-01-29 - 2018-01-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Satellite Campus Oita |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EE |
| Conference Code | 2018-01-EE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Input Acrive-Clamp Circuit for Low Power AC/DC Converter |
| Sub Title (in English) | |
| Keyword(1) | AC adapter |
| Keyword(2) | AC/DC converter |
| Keyword(3) | Active clamp |
| Keyword(4) | ZVS |
| Keyword(5) | |
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| 1st Author's Name | Shohtaroh Sohma |
| 1st Author's Affiliation | RICOH Electronic Devices Co., Ltd (RICOH Electronic Devices Co., Ltd) |
| 2nd Author's Name | Yuji Takeyama |
| 2nd Author's Affiliation | RICOH Electronic Devices Co., Ltd (RICOH Electronic Devices Co., Ltd) |
| 3rd Author's Name | Nishijima Kimihiro |
| 3rd Author's Affiliation | Oita University (Oita Univ.) |
| 4th Author's Name | Shoya Takashita |
| 4th Author's Affiliation | Oita University (Oita Univ.) |
| 5th Author's Name | Terukazu Sato |
| 5th Author's Affiliation | Oita University (Oita Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-01-30 15:10:00 |
| Presentation Time | 30 minutes |
| Registration for | EE |
| Paper # | EE2017-74 |
| Volume (vol) | vol.117 |
| Number (no) | no.424 |
| Page | pp.183-188 |
| #Pages | 6 |
| Date of Issue | 2018-01-22 (EE) |
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