| 摘要 |
A charge pump includes a charge pump core circuit having a first current source transistor, a second current source transistor and an output terminal (64), and a replica bias circuit. The replica bias circuit has a first reference current source transistor, a second reference current source transistor and a reference node corresponding to the output terminal of the charge pump core circuit. The reference node is connected to gates of the second current source transistor and the second reference current source transistor. A first input of a regulator circuit is connected to the output terminal of the charge pump core circuit. A second input of the regulator circuit is connected to the reference node of the replica bias circuit. An output of the regulator circuit (54) is connected to gates of the first current source transistor and the first reference current source transistor.
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