发明名称 |
SWITCHING CONTROL CIRCUIT, LIGHT APPARATUS COMPRISING THE SAME AND SWITCHING CONTROL METHOD |
摘要 |
A switching control circuit includes a switching trigger unit that receives a sensing voltage, which senses a driving current that includes a first and second driving current sections, and that provides a first switching trigger signal based on the sensing voltage in the second current section, an off-time control unit configured to provide a second switching trigger signal in the first driving current section to control a maximum off-time of a driving switching element and a switching control unit configured to turn on the driving switching element based on the first or second switching trigger signal. |
申请公布号 |
US2016366736(A1) |
申请公布日期 |
2016.12.15 |
申请号 |
US201615159356 |
申请日期 |
2016.05.19 |
申请人 |
Magnachip Semiconductor, Ltd. |
发明人 |
HONG Seung Woo |
分类号 |
H05B33/08;H02M1/08;H02M3/157 |
主分类号 |
H05B33/08 |
代理机构 |
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代理人 |
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主权项 |
1. A switching control circuit, comprising:
a switching trigger unit that receives a sensing voltage sensing a driving current comprising a first driving current section and a second driving current section and provides a first switching trigger signal based on the sensing voltage in the second current section; an off-time control unit that provides a second switching trigger signal in the first driving current section to control a maximum off-time of a driving switching element; and a switching control unit that turns on the driving switching element based on the first switching trigger signal or the second switching trigger signal. |
地址 |
Seoul KR |