发明授权
- 专利标题： Switching mode power supply with variable switching operation frequency and the driving method thereof
- 专利标题（中）： 具有可变开关工作频率的开关电源及其驱动方法
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申请号： US12544893申请日： 2009-08-20
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公开(公告)号： US09374008B2公开(公告)日： 2016-06-21
- 发明人: Kyung-Oun Jang , Gyoung-Soo Park , Hyeong-Seok Baek , Se-Hwan Kim
- 申请人： Kyung-Oun Jang , Gyoung-Soo Park , Hyeong-Seok Baek , Se-Hwan Kim
- 申请人地址： KR Bucheon
- 专利权人： Fairchild Korea Semiconductor Ltd.
- 当前专利权人： Fairchild Korea Semiconductor Ltd.
- 当前专利权人地址： KR Bucheon
- 代理机构： Okamoto & Benedicto LLP
- 优先权： KR10-2008-0086472 20080902
- 主分类号： H02M3/335
- IPC分类号： H02M3/335 ; H02M1/08 ; H02M3/156
摘要：
The present invention relates to a switching mode power supply and a driving method thereof. In the present invention, a supply voltage is generated by using a start voltage that corresponds to input power, and a switching operation frequency of a power switch is changed according to an increase/decrease of the supply voltage.
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