发明名称 |
Low drop-out voltage regulator with common-mode feedback |
摘要 |
The present invention is a LDO voltage regulator circuit with common-mode feedback. The LDO voltage regulator includes an error amplifier with a common-mode feedback unit, a pass device and a compensation circuit. A signal from the pass device acts as an input signal to the error amplifier and is compared with another input signal, producing a differential signal. The differential signal is amplified and then provided to the pass device. A capacitor in the compensation unit provides frequency compensation to the LDO voltage regulator. The common-mode feedback unit incorporated into the error amplifier greatly improves a slew rate of a gate voltage of the pass device.
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申请公布号 |
US7323853(B2) |
申请公布日期 |
2008.01.29 |
申请号 |
US20050172444 |
申请日期 |
2005.06.30 |
申请人 |
02MICRO INTERNATIONAL LTD. |
发明人 |
TANG XIAOHU;WANG WEI;HOU XIAOHUA;LIU SHIQIANG |
分类号 |
G05F1/575;G05F1/565 |
主分类号 |
G05F1/575 |
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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