Samsung patents voltage regulator that speeds up power recovery
This filing describes a circuit that controls the power supplied to a device's components. It includes a special recovery circuit that adjusts the electrical current to help the system return to normal voltage levels faster after a change.
In the filing’s own words
A voltage regulator may include an error amplifier including a first input terminal receiving a reference voltage, a second input terminal connected to a feedback node, and a first output terminal configured to output a pass gate voltage, and a pass transistor connected between an input voltage and an output node. The pass transistor is configured to operate in response to the pass gate voltage. The voltage regulator also includes a first resistor connected between the output node and the feedback node, a second resistor connected between the feedback node and a ground voltage, and a recovery enhancement circuit configured to provide one or more driving currents to the error amplifier and configured to control a magnitude of the one or more driving currents based on an output voltage of the output node.
What exactly they claim (claim 1)
1. A voltage regulator, comprising: an error amplifier including a first input terminal configured to receive a reference voltage, a second input terminal connected to a feedback node, and a first output terminal configured to output a pass gate voltage; a pass transistor connected between an input voltage and an output node, wherein the pass transistor is configured to operate in response to the pass gate voltage; a first resistor connected between the output node and the feedback node; a second resistor connected between the feedback node and a ground voltage; and a recovery enhancement circuit configured to control a magnitude of one or more driving currents for the error amplifier, based on an output voltage of the output node.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- VOLTAGE REGULATOR AND OPERATION METHOD THEREOF
- Publication number
- US20260329321A1
- Application number
- 19413420
- Filed
- Dec 9, 2025
- Published
- Oct 22, 2026
- Inventors
- 5
- Claims
- 20
Classified under
G05F 1/575 Physics & computingG05F 1/571 Physics & computingH03F 1/0233 Electricity & electronicsH03F 3/45273 Electricity & electronicsH03F 2200/471 Electricity & electronicsH03F 2200/78 Electricity & electronicsMore from Samsung in Chips & hardware
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.