Low noise voltage regulator

Details Low noise voltage regulator Low noise voltage regulator

2011-07-05

2011-07-05

Sterrett, Jeffrey L (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S270000, C323S280000

Reexamination Certificate

active

07973518

ABSTRACT:
In general, in one aspect, the disclosure describes a voltage regulator (VR) that includes a first amplifier receiving a first reference voltage and a feedback voltage as inputs. A second amplifier receiving a second reference voltage and an output of the first amplifier as inputs. A drive component (e.g., transistor(s)) coupled to the second amplifier to drive current to an output based on an output of the second amplifier. A shunt component (e.g., transistor(s)) coupled to the first amplifier to shunt current from the output based on the output of the first amplifier. Current variations in the shunt component are controlled.

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