| 发明名称 |
Low Dropout Regulator and Related Method |
| 摘要 |
A device includes an error amplifier, a standby current source, a charging current source, a voltage divider, and a first switch. The error amplifier has a negative input terminal and a positive input terminal. The standby current source has a control terminal electrically connected to an output terminal of the error amplifier. The voltage divider has an input terminal electrically connected to an output terminal of the standby current source, and an output terminal electrically connected to the positive input terminal of the error amplifier. The charging current source has a control terminal electrically connected to the output terminal of the error amplifier. The first switch has a first terminal electrically connected to an input terminal of the charging current source, and a second terminal electrically connected to a first power supply node. |
| 申请公布号 |
US2015015223(A1) |
申请公布日期 |
2015.01.15 |
| 申请号 |
US201313942125 |
申请日期 |
2013.07.15 |
| 申请人 |
Taiwan Semiconductor Manufacturing Company, Ltd. |
发明人 |
Chen Jerry;Kuo Cheng-Hsiung;Chih Yue-Der |
| 分类号 |
G05F1/575 |
主分类号 |
G05F1/575 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A device comprising:
an error amplifier having a negative input terminal and a positive input terminal; a standby current source having a control terminal electrically connected to an output terminal of the error amplifier; a voltage divider having:
an input terminal electrically connected to an output terminal of the standby current source, andan output terminal electrically connected to the positive input terminal of the error amplifier; a charging current source having a control terminal electrically connected to the output terminal of the error amplifier; and a first switch having:
a first terminal electrically connected to an input terminal of the charging current source, anda second terminal electrically connected to a first power supply node. |
| 地址 |
Hsin-Chu TW |
