Voltage booster circuit

Details Voltage booster circuit Voltage booster circuit

2007-02-06

2007-02-06

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

11174506

ABSTRACT:
The present invention provides a voltage booster circuit for effectively supplying a boosted voltage of a stable level despite of small area. The voltage booster circuit of the present invention includes: an oscillator for generating a basic pulse signal; a phase divider for dividing a frequency of the basic pulse signal to output a plurality of pulse signals having predetermined phase difference; a first to a fourth charge pumps for outputting a boosted voltage in response to a correspondent pulse signal among the plurality of pulse signals; and a drive controller for controlling the oscillator to maintain the boosted voltage to have a desired level.

REFERENCES:
patent: 5635776 (1997-06-01), Imi
patent: 6249445 (2001-06-01), Sugasawa
patent: 6466070 (2002-10-01), Ross
patent: 6597235 (2003-07-01), Choi
patent: 6960949 (2005-11-01), Suzuki
patent: 1995-20723 (1995-07-01), None
patent: 10-1995-0009950 (1996-07-01), None
patent: 1999-006014 (1999-01-01), None

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