Integrated high voltage generating system

Details Integrated high voltage generating system Integrated high voltage generating system

1989-12-26

1990-12-18

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, H02M 3155, H02M 3018

Patent

active

049790889

ABSTRACT:
The invention discloses an integrated high voltage generating system possessing a charge pump for boosting stepwise the potential of an output node sequentially from the value of a first supply voltage to the value of a second supply voltage in synchronism with the clock pulses applied through a capacitor, wherein the second supply voltage is supplied to the gate electrode of the output MOS transistor connected between the output node of the charge pump and the output terminal. In this constitution, since the gate potential of the output MOS transistor is fixed at the valve of the second supply voltage, the potential fluctuation due to clock pulses does not appear on the output voltage taken out of the output terminal.

REFERENCES:
patent: 3790812 (1974-02-01), Fry
patent: 3942047 (1976-03-01), Buchanan
patent: 4061929 (1977-12-01), Asano
patent: 4621315 (1986-11-01), Vaughn et al.
patent: 4839787 (1989-06-01), Kojima et al.

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