JP3655247B2 - 同期整流回路及び電源装置 - Google Patents
同期整流回路及び電源装置 Download PDFInfo
- Publication number
- JP3655247B2 JP3655247B2 JP2002040918A JP2002040918A JP3655247B2 JP 3655247 B2 JP3655247 B2 JP 3655247B2 JP 2002040918 A JP2002040918 A JP 2002040918A JP 2002040918 A JP2002040918 A JP 2002040918A JP 3655247 B2 JP3655247 B2 JP 3655247B2
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- JP
- Japan
- Prior art keywords
- voltage
- mosfet
- power supply
- switch element
- semiconductor switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001360 synchronised effect Effects 0.000 title claims description 13
- 238000001514 detection method Methods 0.000 claims description 62
- 238000004804 winding Methods 0.000 claims description 50
- 239000004065 semiconductor Substances 0.000 claims description 19
- 238000009499 grossing Methods 0.000 claims 6
- 239000003990 capacitor Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 22
- 230000003071 parasitic effect Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Dc-Dc Converters (AREA)
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002040918A JP3655247B2 (ja) | 2002-02-19 | 2002-02-19 | 同期整流回路及び電源装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002040918A JP3655247B2 (ja) | 2002-02-19 | 2002-02-19 | 同期整流回路及び電源装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003244946A JP2003244946A (ja) | 2003-08-29 |
| JP2003244946A5 JP2003244946A5 (enExample) | 2005-01-27 |
| JP3655247B2 true JP3655247B2 (ja) | 2005-06-02 |
Family
ID=27781460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002040918A Expired - Fee Related JP3655247B2 (ja) | 2002-02-19 | 2002-02-19 | 同期整流回路及び電源装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3655247B2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611303A (zh) * | 2011-01-20 | 2012-07-25 | 江西开昂新能源科技有限公司 | 一种软开关dc-dc变换器 |
| CN110574273A (zh) * | 2017-06-30 | 2019-12-13 | 新电元工业株式会社 | 控制电路以及理想二极管电路 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3916163B2 (ja) * | 2004-02-19 | 2007-05-16 | ローム株式会社 | 電流方向検出回路及びそれを備えたスイッチングレギュレータ |
| JP2005304210A (ja) * | 2004-04-14 | 2005-10-27 | Renesas Technology Corp | 電源ドライバ装置及びスイッチング電源装置 |
| JP4980588B2 (ja) | 2005-06-21 | 2012-07-18 | ローム株式会社 | 降圧型スイッチングレギュレータ、その制御回路、ならびにそれを用いた電子機器 |
| DE102005033477B4 (de) | 2005-07-18 | 2016-02-04 | Austriamicrosystems Ag | Schaltungsanordnung und Verfahren zum Konvertieren einer Wechselspannung in eine gleichgerichtete Spannung |
| US7737773B2 (en) | 2006-08-31 | 2010-06-15 | Sharp Kabushiki Kaisha | Semiconductor device, step-down chopper regulator, and electronic equipment |
| JP4738442B2 (ja) * | 2008-05-28 | 2011-08-03 | 株式会社東芝 | Dc−dcコンバータ |
| JP5376512B2 (ja) * | 2009-05-21 | 2013-12-25 | スパンション エルエルシー | 電源装置 |
| JP5540754B2 (ja) * | 2010-02-15 | 2014-07-02 | 株式会社デンソー | Dc−dcコンバータの制御装置 |
| JP5749478B2 (ja) * | 2010-12-03 | 2015-07-15 | 株式会社タムラ製作所 | スイッチング電源装置 |
| JP5986921B2 (ja) * | 2012-12-27 | 2016-09-06 | 日立アプライアンス株式会社 | 点灯装置 |
| JP6424349B2 (ja) * | 2014-09-30 | 2018-11-21 | 株式会社エヌエフ回路設計ブロック | スイッチング電源装置 |
| CN111416505B (zh) * | 2020-04-14 | 2021-05-11 | 上海顺久电子科技有限公司 | 一种开关电源转换器 |
-
2002
- 2002-02-19 JP JP2002040918A patent/JP3655247B2/ja not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611303A (zh) * | 2011-01-20 | 2012-07-25 | 江西开昂新能源科技有限公司 | 一种软开关dc-dc变换器 |
| CN102611303B (zh) * | 2011-01-20 | 2015-08-05 | 江西开昂新能源科技有限公司 | 一种软开关dc-dc变换器 |
| CN110574273A (zh) * | 2017-06-30 | 2019-12-13 | 新电元工业株式会社 | 控制电路以及理想二极管电路 |
| US11057032B2 (en) | 2017-06-30 | 2021-07-06 | Shindengen Electric Manufacturing Co., Ltd. | Control circuit and ideal diode circuit |
| CN110574273B (zh) * | 2017-06-30 | 2021-11-16 | 新电元工业株式会社 | 控制电路以及理想二极管电路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003244946A (ja) | 2003-08-29 |
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