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US 2020/0004284 A1Published application
Voltage regulator
AssigneeAblic Inc.
InventorNORIYUKI HARADA
Life of this patent
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Abstract
A voltage regulator includes an output transistor, a voltage division circuit, an error amplifier, a phase compensation circuit connected between the output terminal and the output terminal of the voltage division circuit, and an auxiliary transistor having a source connected to the input terminal, a drain connected to the phase compensation circuit, and a gate connected to the output terminal of the error amplifier through an offset voltage source.
Claims4
A voltage regulator, comprising:
- an output transistor having a source connected to an input terminal and a drain connected to an output terminal;
- a voltage division circuit connected between the output terminal and a ground terminal;
- an error amplifier having one input terminal to which an output terminal of the voltage division circuit is connected, another input terminal to which an output terminal of a reference voltage source is connected, and an output terminal connected to a gate of the output transistor;
- a phase compensation circuit connected between the output terminal and the output terminal of the voltage division circuit;
- and
- an auxiliary transistor having a source connected to the input terminal, a drain connected to the phase compensation circuit, and a gate connected to the output terminal of the error amplifier through an offset voltage source.
3 more elements
Dependencies are inferred from the claim text.