Method and system for providing voltage

Details Method and system for providing voltage Method and system for providing voltage

2008-05-27

2008-05-27

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

External or operator controlled

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

07378829

ABSTRACT:
A system and method to provide voltage to a device from the operating mode of an integrated circuit is disclosed. In a particular embodiment, the disclosed system includes an integrated circuit having an input/output pin and a DC-DC converter circuit that is coupled to the input/output pin and including a transistor element. The DC-DC converter circuit has a first mode of operation and a second mode of operation. In the first mode of operation, the DC-DC converter circuit performs voltage conversion and in the second mode of operation, the transistor element of the DC-DC converter circuit is used to selectively apply a voltage supply to an external module coupled to the input/output pin.

REFERENCES:
patent: 5548206 (1996-08-01), Soo
patent: 6984967 (2006-01-01), Notman

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