发明名称 |
SWITCH CONTROLLER, SWITCH CONTROL METHOD, AND POWER SUPPLY DEVICE COMPRISING THE SWITCH CONTROLLER |
摘要 |
The present invention relates to a switch controller, a switch control method, and a power supply including the switch controller. An exemplary embodiment of the present invention detects an on-time of a power switch of the power supply and decreases a frequency of a clock signal according to a period during which the detected on-time is shorter than or equal to the minimum on-time. According to the exemplary embodiment, switching of the power switch is controlled according to a clock signal, and the minimum on-time is an on period of the power switch that cannot be shortened.
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申请公布号 |
US2013128640(A1) |
申请公布日期 |
2013.05.23 |
申请号 |
US201213677834 |
申请日期 |
2012.11.15 |
申请人 |
FAIRCHILD KOREA SEMICONDUCTOR LTD.;FAIRCHILD KOREA SEMICONDUCTOR LTD. |
发明人 |
LEE YOUNG-JE;CHO GYE-HYUN;LEE JAE-YONG;JANG JI-HOON |
分类号 |
H02M7/12;G05F3/02 |
主分类号 |
H02M7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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