Charge pump-type voltage booster circuit and semiconductor...

Details Charge pump-type voltage booster circuit and semiconductor... Charge pump-type voltage booster circuit and semiconductor...

2009-10-06

2011-12-06

Hiltunen, Thomas J (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C363S060000

Reexamination Certificate

active

08072257

ABSTRACT:
A booster circuit includes first and second transistors, a first capacitor, a first drive circuit, a second capacitor, a first controller, and a second controller. The first and second transistors are connected in series between a first voltage and a second voltage. One end of the first capacitor is connected to a connection node between the first transistor and the second transistor. The first drive circuit boosts the voltage at the other end of the first capacitor. The second capacitor is connected between the second voltage and a reference voltage. The first controller controls conduction
on-conduction of the first transistor. The second controller inputs any of the first voltage and the second voltage to the second transistor, and thereby controls conduction
on-conduction of the second transistor. The boost circuit is supplied with the reference voltage, a supply voltage, and a boost clock signal, and generates the second voltage by boosting the supply voltage.

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