Voltage regulator with shunt feedback

Details Voltage regulator with shunt feedback Voltage regulator with shunt feedback

2007-10-23

2007-10-23

Sterrett, Jeffrey (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S273000

Reexamination Certificate

active

11220958

ABSTRACT:
A voltage regulator configured to receive a supply voltage from a voltage supply and provide a regulated voltage to digital circuitry is provided. The voltage regulator comprises first circuitry configured to inhibit high frequency energy generated by the digital circuitry from transmitting into the voltage supply, second circuitry configured to inhibit low frequency energy generated by the digital circuitry from transmitting into the voltage supply, and third circuitry configured to maintain the regulated voltage at a substantially constant value in response to a current drawn by the digital circuitry.

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International Search Report and Written Opinion mailed Feb. 5, 2007, PCT/US2006/034512 (10 pgs.)
“TL431/TL431A Programmable Shunt Regulator” 2003 Fairchild Semiconductor Corporation. Rev. 1.0.3, p. 1-6 XP002415681, www.fairchildsemi.com.

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