Charge pump for positive pumping and negative pumping

Details Charge pump for positive pumping and negative pumping Charge pump for positive pumping and negative pumping

2007-09-04

2010-11-30

Behm, Harry (Department: 2838)

Electric power conversion systems

Current conversion

With voltage multiplication means

C363S063000, C327S536000

Reexamination Certificate

active

07843712

ABSTRACT:
A miniaturized system on a chip that incorporates a positive high voltage charge pump and a negative high voltage charge pump into one pump circuit and shares components. A voltage control apparatus in a semiconductor device may include at least one of the following: First and second input/output units capable of inputting or outputting voltage. A voltage booster that receives and boosts a voltage from one of the first and second input/output unit and outputs the boosted voltage from the other input/output unit. An output selector that receives the boosted voltage from the voltage booster and selects one of the positive or the negative voltage to output. An output controller that receives the boosted voltage from the voltage booster and controls and/or regulates the output voltage. An output unit that outputs the generated output voltage.

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