Method and apparatus for adjusting the power supply voltage prov

Details Method and apparatus for adjusting the power supply voltage prov Method and apparatus for adjusting the power supply voltage prov

1996-05-20

1997-12-02

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323282, G05F 144

Patent

active

056940289

ABSTRACT:
A method and apparatus for adjusting power supplied to a device when the device has a first and a second power input. A first voltage level and a ground potential are provided and a second voltage level is created as a function of the first voltage level. The second voltage level is then buffered with a power transistor and, if the second voltage level is needed for a particular device, the buffered second voltage level is selectively applied to the device. The circuit is disabled when the second voltage supply is not needed.

REFERENCES:
patent: 4325111 (1982-04-01), Quiogue

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