发明授权
US07796404B2 LLC converter synchronous FET controller and method of operation thereof
有权
LLC转换器同步FET控制器及其操作方法
- 专利标题: LLC converter synchronous FET controller and method of operation thereof
- 专利标题(中): LLC转换器同步FET控制器及其操作方法
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申请号: US12257363申请日: 2008-10-23
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公开(公告)号: US07796404B2公开(公告)日: 2010-09-14
- 发明人: Raghothama Reddy
- 申请人: Raghothama Reddy
- 专利权人: Lineage Power Corporation
- 当前专利权人: Lineage Power Corporation
- 主分类号: H02M3/335
- IPC分类号: H02M3/335 ; H02M7/217
摘要:
A method for operating a power controller is provided. The method includes activating a rectifying FET upon a detection of an activation body diode conduction current occurring in the rectifying FET. The method generates an activation signal for a corresponding primary FET. The method further includes deactivating the corresponding rectifying FET upon a reception of a deactivation signal. The method further includes then deactivating the corresponding primary FET after delaying the deactivation signal, wherein the delay lessens a conduction time of a deactivation body current of the corresponding rectifying FET. The method further includes generating a deactivation signal and deactivating the corresponding rectifying FET upon a reception of the deactivation signal and deactivating the primary FET after delaying the deactivation signal. The delaying lessens a conduction time of a deactivation body current of the corresponding rectifying FET.
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