CN102035415A - 一种led照明驱动用隔离式ac/dc转换电源的恒流实现方法及专用装置 - Google Patents
一种led照明驱动用隔离式ac/dc转换电源的恒流实现方法及专用装置 Download PDFInfo
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CN 201010604627 CN102035415B (zh) | 2010-12-24 | 2010-12-24 | 一种led照明驱动用隔离式ac/dc转换电源的恒流实现专用装置 |
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CN 201010604627 CN102035415B (zh) | 2010-12-24 | 2010-12-24 | 一种led照明驱动用隔离式ac/dc转换电源的恒流实现专用装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102573235A (zh) * | 2012-01-11 | 2012-07-11 | 杭州矽力杰半导体技术有限公司 | 一种高效率的led驱动电路及其驱动方法 |
CN102611079A (zh) * | 2012-03-13 | 2012-07-25 | 华为技术有限公司 | 隔离式功率转换器的短路保护系统及方法 |
CN102624260A (zh) * | 2012-03-19 | 2012-08-01 | 常州博拓电子科技有限公司 | 一种ac/dc转换开关电源输入线电压的采样电路 |
CN102970797A (zh) * | 2012-11-15 | 2013-03-13 | 深圳和而泰照明科技有限公司 | 限制次级输出电流电路及装置 |
CN103427642A (zh) * | 2012-05-17 | 2013-12-04 | 艾沃特有限公司 | 不具有电流感测端的恒流控制降压转换器 |
CN104519631A (zh) * | 2013-10-07 | 2015-04-15 | 欧普照明股份有限公司 | 一种led驱动 |
CN105990837A (zh) * | 2014-09-19 | 2016-10-05 | 旭辰资讯股份有限公司 | 总量管制系统 |
Citations (5)
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US20080112193A1 (en) * | 2006-11-09 | 2008-05-15 | Iwatt Inc. | On-Time Control For Constant Current Mode In A Flyback Power Supply |
CN100421340C (zh) * | 2003-06-18 | 2008-09-24 | 崇贸科技股份有限公司 | 反激式功率转换器 |
TW200915709A (en) * | 2007-09-17 | 2009-04-01 | Richtek Technology Corp | Apparatus and method for regulating constant output voltage and current in a voltage flyback converter |
CN101515756A (zh) * | 2008-02-18 | 2009-08-26 | 昂宝电子(上海)有限公司 | 具有多种模式的用于高效功率控制的方法和系统 |
CN101516151A (zh) * | 2008-02-20 | 2009-08-26 | 夏普株式会社 | Led驱动电路及使用它的led照明设备 |
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2010
- 2010-12-24 CN CN 201010604627 patent/CN102035415B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100421340C (zh) * | 2003-06-18 | 2008-09-24 | 崇贸科技股份有限公司 | 反激式功率转换器 |
US20080112193A1 (en) * | 2006-11-09 | 2008-05-15 | Iwatt Inc. | On-Time Control For Constant Current Mode In A Flyback Power Supply |
TW200915709A (en) * | 2007-09-17 | 2009-04-01 | Richtek Technology Corp | Apparatus and method for regulating constant output voltage and current in a voltage flyback converter |
CN101515756A (zh) * | 2008-02-18 | 2009-08-26 | 昂宝电子(上海)有限公司 | 具有多种模式的用于高效功率控制的方法和系统 |
CN101516151A (zh) * | 2008-02-20 | 2009-08-26 | 夏普株式会社 | Led驱动电路及使用它的led照明设备 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102573235A (zh) * | 2012-01-11 | 2012-07-11 | 杭州矽力杰半导体技术有限公司 | 一种高效率的led驱动电路及其驱动方法 |
CN102573235B (zh) * | 2012-01-11 | 2013-07-24 | 矽力杰半导体技术(杭州)有限公司 | 一种高效率的led驱动电路及其驱动方法 |
CN102611079A (zh) * | 2012-03-13 | 2012-07-25 | 华为技术有限公司 | 隔离式功率转换器的短路保护系统及方法 |
CN102624260A (zh) * | 2012-03-19 | 2012-08-01 | 常州博拓电子科技有限公司 | 一种ac/dc转换开关电源输入线电压的采样电路 |
CN102624260B (zh) * | 2012-03-19 | 2015-04-01 | 苏州瑞铬优电子科技有限公司 | 一种ac/dc转换开关电源输入线电压的采样电路 |
CN103427642A (zh) * | 2012-05-17 | 2013-12-04 | 艾沃特有限公司 | 不具有电流感测端的恒流控制降压转换器 |
US9420645B2 (en) | 2012-05-17 | 2016-08-16 | Dialog Semiconductor Inc. | Constant current control buck converter without current sense |
CN103427642B (zh) * | 2012-05-17 | 2017-04-12 | 戴乐格半导体公司 | 不具有电流感测端的恒流控制降压转换器 |
CN102970797A (zh) * | 2012-11-15 | 2013-03-13 | 深圳和而泰照明科技有限公司 | 限制次级输出电流电路及装置 |
CN104519631A (zh) * | 2013-10-07 | 2015-04-15 | 欧普照明股份有限公司 | 一种led驱动 |
CN105990837A (zh) * | 2014-09-19 | 2016-10-05 | 旭辰资讯股份有限公司 | 总量管制系统 |
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