CN103187870B - 降压式变换电路 - Google Patents
降压式变换电路 Download PDFInfo
- Publication number
- CN103187870B CN103187870B CN201110444429.6A CN201110444429A CN103187870B CN 103187870 B CN103187870 B CN 103187870B CN 201110444429 A CN201110444429 A CN 201110444429A CN 103187870 B CN103187870 B CN 103187870B
- Authority
- CN
- China
- Prior art keywords
- effect transistor
- field effect
- electronic switch
- connects
- conversion circuit
- 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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- Dc-Dc Converters (AREA)
Abstract
Description
降压式变换电路 | 100 |
PWM控制芯片 | 80 |
PCH | 90 |
电阻 | R1-R5 |
场效应管 | Q1-Q5 |
二极管 | D1、D2 |
电压输入端 | VIN |
电源输出端 | VOUT |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110444429.6A CN103187870B (zh) | 2011-12-27 | 2011-12-27 | 降压式变换电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110444429.6A CN103187870B (zh) | 2011-12-27 | 2011-12-27 | 降压式变换电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103187870A CN103187870A (zh) | 2013-07-03 |
CN103187870B true CN103187870B (zh) | 2016-01-06 |
Family
ID=48678876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110444429.6A Expired - Fee Related CN103187870B (zh) | 2011-12-27 | 2011-12-27 | 降压式变换电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103187870B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104779782B (zh) | 2015-04-17 | 2017-06-20 | 华为技术有限公司 | 一种电压转换电路 |
CN108528051B (zh) * | 2017-03-06 | 2020-09-25 | 珠海天威技术开发有限公司 | 电源电压控制电路及其工作方法、耗材芯片及其工作方法 |
CN107395178B (zh) * | 2017-07-04 | 2020-07-07 | 苏州捷芯威半导体有限公司 | 半导体功率开关器件和电子设备 |
CN113608003A (zh) * | 2021-06-25 | 2021-11-05 | 无锡芯朋微电子股份有限公司 | 一种电压检测电路、电源***及芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5717320A (en) * | 1995-11-27 | 1998-02-10 | U.S. Philips Corporation | Power supply circuit |
US7538530B2 (en) * | 2006-01-02 | 2009-05-26 | Asustek Computer Inc. | Buck converter |
CN201418176Y (zh) * | 2009-04-17 | 2010-03-03 | 黄顺康 | 一种升压电路及led驱动器 |
CN102141832A (zh) * | 2010-01-29 | 2011-08-03 | 鸿富锦精密工业(深圳)有限公司 | 具负电压抑制功能的电压控制电路 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7902809B2 (en) * | 2006-11-28 | 2011-03-08 | International Rectifier Corporation | DC/DC converter including a depletion mode power switch |
-
2011
- 2011-12-27 CN CN201110444429.6A patent/CN103187870B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5717320A (en) * | 1995-11-27 | 1998-02-10 | U.S. Philips Corporation | Power supply circuit |
US7538530B2 (en) * | 2006-01-02 | 2009-05-26 | Asustek Computer Inc. | Buck converter |
CN201418176Y (zh) * | 2009-04-17 | 2010-03-03 | 黄顺康 | 一种升压电路及led驱动器 |
CN102141832A (zh) * | 2010-01-29 | 2011-08-03 | 鸿富锦精密工业(深圳)有限公司 | 具负电压抑制功能的电压控制电路 |
Also Published As
Publication number | Publication date |
---|---|
CN103187870A (zh) | 2013-07-03 |
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ASS | Succession or assignment of patent right |
Owner name: SCIENBIZIP CONSULTING (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY (SHENZHEN) CO., LTD. Effective date: 20150902 Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY CO., LTD. Effective date: 20150902 |
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Effective date of registration: 20150902 Address after: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20161227 |
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CF01 | Termination of patent right due to non-payment of annual fee |