发明申请
US20090116265A1 DRIVING CIRCUIT FOR POWER SWITCHING DEVICE, DRIVING METHOD THEREOF, AND SWITCHING POWER SUPPLY APPARATUS
有权
用于电源切换装置的驱动电路及其驱动方法和切换电源装置
- 专利标题： DRIVING CIRCUIT FOR POWER SWITCHING DEVICE, DRIVING METHOD THEREOF, AND SWITCHING POWER SUPPLY APPARATUS
- 专利标题（中）： 用于电源切换装置的驱动电路及其驱动方法和切换电源装置
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申请号： US12265217申请日： 2008-11-05
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公开(公告)号： US20090116265A1公开(公告)日： 2009-05-07
- 发明人: Takashi Saji
- 申请人： Takashi Saji
- 申请人地址： JP Osaka
- 专利权人： PANASONIC CORPORATION
- 当前专利权人： PANASONIC CORPORATION
- 当前专利权人地址： JP Osaka
- 优先权： JP2007-289501 20071107; JP2008-260973 20081007
- 主分类号： H02M5/45
- IPC分类号： H02M5/45
摘要：
A driving circuit according to the present invention is a driving circuit which drives the voltage control type switching device in the switching power supply apparatus and includes: a generation unit configured to generate a driving signal for turning on and off the voltage control type switching device, the driving signal having plural levels of voltage at which the voltage control type switching device is turned on; and a switching control unit configured to switch between the plural levels of voltage at which the power switching device is turned on, depending on a status of the power switching device.
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