发明授权
US07161813B2 Power conversion device with synchronous rectifier driving and voltage oscillation limitation during a discontinuous operating mode
有权
在不连续工作模式下，具有同步整流器驱动和电压振荡限制的电力转换装置
- 专利标题： Power conversion device with synchronous rectifier driving and voltage oscillation limitation during a discontinuous operating mode
- 专利标题（中）： 在不连续工作模式下，具有同步整流器驱动和电压振荡限制的电力转换装置
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申请号： US11019927申请日： 2004-12-21
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公开(公告)号： US07161813B2公开(公告)日： 2007-01-09
- 发明人: Fabrizio Librizzi , Francesco Macina
- 申请人： Fabrizio Librizzi , Francesco Macina
- 申请人地址： IT Brianza
- 专利权人： STMicroelectronics S.r.l.
- 当前专利权人： STMicroelectronics S.r.l.
- 当前专利权人地址： IT Brianza
- 代理机构： Jenkens & Gilchrist, PC
- 优先权： EP034258319 20031231
- 主分类号： H02M3/335
- IPC分类号： H02M3/335
摘要：
A power conversion device includes a first and second input terminal for connection to a transformer winding and at least an output terminal. A first and second synchronous rectifier are associated with the first and second input terminals, respectively. An inductor within an output stage is connected between the first input terminal and the output terminal. A driving circuit includes first and second output terminals connected to respective control terminals of the first and second synchronous rectifiers. An adjustable threshold control block is connected between the first and second input terminals and is connected to the inductor. The control block is enabled responsive to a control signal on the first output terminal of the driving circuit. The control block operates to clamp the voltage of the first input terminal to a preset value during at least a dead time period of the device operation.
公开/授权文献
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