Controller for voltage regulator
First Claim
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1. A voltage regulator circuit comprising:
- a voltage regulator; and
aa controller, the controller being switchable between first and second modes of operation in which the controller is configured to control the voltage regulator to operate in switching and linear modes respectively, wherein the controller is further configured to respond to an input voltage to the voltage regulator to enter a third mode of operation in which the input voltage is coupled directly to an output terminal.
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Abstract
A controller for a voltage regulator is disclosed. The controller is switchable between first and second modes of operation in which the controller is adapted to control the regulator to operate in switching and linear modes respectively. The controller is further adapted to respond to an input voltage to the voltage regulator to enter a third mode of operation in which the input voltage is coupled directly to an output terminal.
12 Citations
15 Claims
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1. A voltage regulator circuit comprising:
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a voltage regulator; and
aa controller, the controller being switchable between first and second modes of operation in which the controller is configured to control the voltage regulator to operate in switching and linear modes respectively, wherein the controller is further configured to respond to an input voltage to the voltage regulator to enter a third mode of operation in which the input voltage is coupled directly to an output terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification