Constant current output charge pump

Details Constant current output charge pump Constant current output charge pump

2006-12-22

2008-08-26

Richards, N. Drew (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S148000, C327S157000, C327S538000

Reexamination Certificate

active

07417491

ABSTRACT:
A constant current output charge pump includes a switch module configured to compare a reference voltage with a load voltage and output a switch signal, a voltage margin control module configured to compare a first voltage and a second voltage with an output voltage and output a voltage margin control signal, a clock control module, a charge pump module, a current control module and a load module. The clock control module is configured to capture the switch signal and the voltage margin control signal and output a first clock signal and a second clock signal according to a system to the charge pump module for charging the input voltage.

REFERENCES:
patent: 7288984 (2007-10-01), Armaroli et al.

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