CN102723945A - 一种比例定时采样电路及应用该电路的开关电源 - Google Patents
一种比例定时采样电路及应用该电路的开关电源 Download PDFInfo
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103166198A (zh) * | 2013-03-12 | 2013-06-19 | 昂宝电子(上海)有限公司 | 用于至少基于反馈信号保护电源变换***的***和方法 |
US8879289B2 (en) | 2011-08-04 | 2014-11-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals |
US8891256B2 (en) | 2011-05-23 | 2014-11-18 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments |
US8971062B2 (en) | 2008-10-21 | 2015-03-03 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation |
US8982585B2 (en) | 2008-07-30 | 2015-03-17 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for primary-side regulation in off-line switching-mode flyback power conversion system |
US9088217B2 (en) | 2009-08-20 | 2015-07-21 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters |
CN105449996A (zh) * | 2015-12-31 | 2016-03-30 | 李永红 | 最小去磁时间控制方法及装置 |
US9325234B2 (en) | 2013-12-06 | 2016-04-26 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems from thermal runaway |
US9350252B2 (en) | 2008-10-21 | 2016-05-24 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems based on at least feedback signals |
US9379623B2 (en) | 2011-02-01 | 2016-06-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters |
US9379624B2 (en) | 2012-12-10 | 2016-06-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for peak current adjustments in power conversion systems |
US9385612B2 (en) | 2008-10-21 | 2016-07-05 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation |
US9871451B2 (en) | 2012-09-14 | 2018-01-16 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US10003271B2 (en) | 2012-03-31 | 2018-06-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage control and constant current control |
US11190106B2 (en) | 2018-12-29 | 2021-11-30 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage compensation based on load conditions in power converters |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050024133A1 (en) * | 2003-07-29 | 2005-02-03 | Pallab Midya | Method and apparatus for switching amplification having variable sample point and variable order correction |
CN101375489B (zh) * | 2006-01-31 | 2011-07-13 | 三美电机株式会社 | 开关电源装置以及电源控制用半导体集成电路 |
CN101867299B (zh) * | 2010-07-20 | 2012-03-21 | 周光友 | 一种用于开关电源反馈电压检测和采样保持的电路及方法 |
CN202696578U (zh) * | 2012-06-21 | 2013-01-23 | 大连连顺电子有限公司 | 一种比例定时采样电路及应用该电路的开关电源 |
-
2012
- 2012-06-21 CN CN201210205381.8A patent/CN102723945B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050024133A1 (en) * | 2003-07-29 | 2005-02-03 | Pallab Midya | Method and apparatus for switching amplification having variable sample point and variable order correction |
CN101375489B (zh) * | 2006-01-31 | 2011-07-13 | 三美电机株式会社 | 开关电源装置以及电源控制用半导体集成电路 |
CN101867299B (zh) * | 2010-07-20 | 2012-03-21 | 周光友 | 一种用于开关电源反馈电压检测和采样保持的电路及方法 |
CN202696578U (zh) * | 2012-06-21 | 2013-01-23 | 大连连顺电子有限公司 | 一种比例定时采样电路及应用该电路的开关电源 |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8982585B2 (en) | 2008-07-30 | 2015-03-17 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for primary-side regulation in off-line switching-mode flyback power conversion system |
US9350252B2 (en) | 2008-10-21 | 2016-05-24 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems based on at least feedback signals |
US8971062B2 (en) | 2008-10-21 | 2015-03-03 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation |
US10008939B2 (en) | 2008-10-21 | 2018-06-26 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems based on at least feedback signals |
US10277132B2 (en) | 2008-10-21 | 2019-04-30 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation |
US9385612B2 (en) | 2008-10-21 | 2016-07-05 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation |
US9088217B2 (en) | 2009-08-20 | 2015-07-21 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters |
US9577537B2 (en) | 2009-08-20 | 2017-02-21 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters |
US9379623B2 (en) | 2011-02-01 | 2016-06-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters |
US10224821B2 (en) | 2011-02-01 | 2019-03-05 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters |
US10199944B2 (en) | 2011-05-23 | 2019-02-05 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments |
US8891256B2 (en) | 2011-05-23 | 2014-11-18 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments |
US9559598B2 (en) | 2011-05-23 | 2017-01-31 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments |
US9929655B2 (en) | 2011-05-23 | 2018-03-27 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments |
US9584025B2 (en) | 2011-08-04 | 2017-02-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals |
US8879289B2 (en) | 2011-08-04 | 2014-11-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals |
US10003271B2 (en) | 2012-03-31 | 2018-06-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for constant voltage control and constant current control |
US10270350B2 (en) | 2012-09-14 | 2019-04-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US10454378B2 (en) | 2012-09-14 | 2019-10-22 | On-Bight Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US10742122B2 (en) | 2012-09-14 | 2020-08-11 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US9871451B2 (en) | 2012-09-14 | 2018-01-16 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US10069424B2 (en) | 2012-09-14 | 2018-09-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage control and current control of power conversion systems with multiple operation modes |
US9379624B2 (en) | 2012-12-10 | 2016-06-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for peak current adjustments in power conversion systems |
US10291131B2 (en) | 2012-12-10 | 2019-05-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for peak current adjustments in power conversion systems |
CN103166198A (zh) * | 2013-03-12 | 2013-06-19 | 昂宝电子(上海)有限公司 | 用于至少基于反馈信号保护电源变换***的***和方法 |
US9325234B2 (en) | 2013-12-06 | 2016-04-26 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems from thermal runaway |
US9906144B2 (en) | 2013-12-06 | 2018-02-27 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for protecting power conversion systems from thermal runaway |
CN105449996A (zh) * | 2015-12-31 | 2016-03-30 | 李永红 | 最小去磁时间控制方法及装置 |
CN105449996B (zh) * | 2015-12-31 | 2018-04-06 | 深圳欧创芯半导体有限公司 | 最小去磁时间控制方法及装置 |
US11190106B2 (en) | 2018-12-29 | 2021-11-30 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage compensation based on load conditions in power converters |
US11552570B2 (en) | 2018-12-29 | 2023-01-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage compensation based on load conditions in power converters |
US11652419B2 (en) | 2018-12-29 | 2023-05-16 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage compensation based on load conditions in power converters |
US11996779B2 (en) | 2018-12-29 | 2024-05-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for voltage compensation based on load conditions in power converters |
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Owner name: XIAMEN YUANSHUN MICROELECTRONICS TECHNOLOGY CO., L Free format text: FORMER OWNER: DALIAN LIAN-SHUN ELECTRONICS CO., LTD. FUJIAN FUSHUN MICROELECTRONIC CO., LTD. Effective date: 20150415 |
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Effective date of registration: 20150415 Address after: 116023 Liaoning Province, Dalian City High-tech Park 107 Guang Xian Road No. 1 building two floor Patentee after: Dalian Lianshun Electronic Co., Ltd. Patentee after: Xiamen unit is along microelectric technique company limited Patentee after: UNISONIC TECHNOLOGIES Co.,Ltd. Patentee after: Fujian Fushun Microelectronic Co., Ltd. Address before: 116023 Liaoning Province, Dalian City High-tech Park 107 Guang Xian Road No. 1 building two floor Patentee before: Dalian Lianshun Electronic Co., Ltd. Patentee before: UNISONIC TECHNOLOGIES Co.,Ltd. Patentee before: Fujian Fushun Microelectronic Co., Ltd. |