Voltage multiplier with adjustable output level

Details Voltage multiplier with adjustable output level Voltage multiplier with adjustable output level

1997-01-22

1998-08-04

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

307110, 327536, 327589, H02M 318

Patent

active

057903930

ABSTRACT:
A circuit and method for generating a fractional multiple of a primary power supply voltage is disclosed. The circuit operates in two phases wherein during a first phase a first capacitor is charged to the primary power supply voltage Vdd, and during a second phase the voltage on the first capacitor is bootstrapped toward twice the power supply voltage. A second capacitor, however, is coupled in parallel to the first capacitor during the second phase to cause charge sharing. The circuit can thus generate a fractional voltage between Vdd and 2 Vdd without the need for any voltage regulator circuitry.

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