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US 7,256,571 B1Granted
Power supply dynamic set point circuit
AssigneeNVIDIA Corporation
InventorsLudger Mimberg, Hans Wolfgang Schulze
Life of this patent
Estimating the term…
Abstract
A regulator set point circuit. The circuit includes a voltage regulator configured to produce an output voltage. An adjustable voltage source is coupled to the voltage regulator via a feedback circuit, and is configured to generate a voltage adjust signal to control the output voltage.
Claims22
A regulator set point circuit, comprising:
- a plurality of voltage regulators configured to produce a corresponding plurality of output voltages;
- and
- an adjustable voltage source coupled to each of the plurality of voltage regulators via a common feedback circuit, and configured to generate a voltage adjust signal to simultaneously control the plurality of output voltages with the feedback circuit.
A multiple regulator set point circuit, comprising:
- a first voltage regulator configured to produce a first output voltage;
- a second voltage regulator configured to produce a second output voltage;
- and
- a voltage source coupled to the first voltage regulator and the second voltage regulator via a common feedback circuit, and to generate a voltage adjust signal to simultaneously control the first output voltage and the second output voltage.
1 more element
A multiple power supply set point circuit for producing adjustable output voltages, comprising:
- a first voltage regulator configured to produce a first output voltage;
- a second voltage regulator configured to produce a second output voltage;
- and
- an adjustable voltage source coupled to the first voltage regulator and the second voltage regulator via a common feedback circuit, and to generate a voltage adjust signal to simultaneously control the first output voltage and the second output voltage.
1 more element
An electronic device having a dual regulator output voltage set point circuit for producing adjustable output voltages, comprising:
- a first voltage regulator configured to produce a first output voltage;
- a second voltage regulator configured to produce a second output voltage;
- an adjustable voltage source coupled to the first voltage regulator and the second voltage regulator via a common feedback circuit, and to generate a voltage adjust signal to simultaneously control the first output voltage and the second output voltage;
- a first output voltage rail coupled to distribute the first output voltage to the electronic device;
- and
- a second output voltage rail coupled to distribute the second output voltage to the electronic device;
- wherein the first output voltage and the second output voltage are coupled via a load of an electronic device.
4 more elements
Dependencies are inferred from the claim text.