发明名称 |
Switching circuit, DC-DC converter and display driver integrated circuit including the same |
摘要 |
A switching circuit and a DC-DC converter including the same are provided. The switching circuit includes an output terminal, a plurality of input terminals, and a plurality of switches configured to selectively connect the plurality of input terminals to the output terminal. The plurality of switches include a first switch directly connected to the output terminal and a plurality of second switches connecting the plurality of input terminals to the first switch. The first switch is implemented using a high-voltage transistor. Each of the second switches is implemented using a low-voltage transistor. A gate of the high-voltage transistor is at least two times longer than a gate of the low-voltage transistor. The DC-DC converter increases or decreases a signal selected from among a plurality of input signals input through the input terminals by a predetermined voltage level. Most of switches in the switching circuit are implemented using low-voltage transistors, thereby decreasing the area of the switching circuit.
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申请公布号 |
US2010091002(A1) |
申请公布日期 |
2010.04.15 |
申请号 |
US20090587512 |
申请日期 |
2009.10.08 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM HYO JIN;KANG JAE SUNG;KIM SI WOO;KIM JONG-HYUN |
分类号 |
H03K17/687;G06F3/038 |
主分类号 |
H03K17/687 |
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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