Frequency sensing voltage regulator

Details Frequency sensing voltage regulator Frequency sensing voltage regulator

2005-01-25

2005-01-25

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S274000

Reexamination Certificate

active

06847198

ABSTRACT:
A frequency sensing voltage regulator is disclosed. A source follower transistor has a gate connected to a predetermined gate voltage, a drain coupled to an external supply voltage through a switching transistor, and a source connected to a load. The gate of the switching transistor is controlled by a delay circuit through which a pulse derived from the system clock is passed. Through the use of the delay circuit and the switching transistor, the amount of current produced by the source follower transistor is made a function of the cycle rate of the system clock and the current provided by the source follower transistor tracks the frequency-dependent current requirements of the load, resulting in a reduced variance of the supply voltage Vcc over a wide current range.

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