Charge pump circuit

Details Charge pump circuit Charge pump circuit

1999-02-01

2000-08-22

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

363 60, G05F 110

Patent

active

061078646

ABSTRACT:
A charge pump circuit comprises a plurality of booster stages. Each booster stage has a first node, a second node, a first charge pump and a second charge pump. Both charge pumps operate in a complementary manner, and raise potential of the second node relative to potential of the first node by transferring charge from the first node to the second node. Each charge pump comprises a pumping capacitor, an NMOS transistor and a PMOS transistor. In each charge pump, the NMOS transistor is used for charging the pumping capacitor with charge input through the first node, and the PMOS transistor is used for discharging the pumping capacitor to send charge to the second node.

REFERENCES:
patent: 5982223 (1999-11-01), Park et al.
patent: 6037622 (2000-03-01), Lin et al.
patent: 6046625 (2000-04-01), Menichelli

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