COMPARATOR CIRCUIT AND SWITCH CONTROL DEVICE INCLUDING THE SAME
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 3, 2022
app pub date -
Aug 31, 2021
filing date -
Aug 31, 2021
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Abstract
A comparator circuit includes: a comparator comprising: a first input terminal receiving an input voltage; a second input terminal receiving a reference voltage; an output terminal outputting an output signal according to a result of a comparison between the input voltage and the reference voltage; and a power supply terminal receiving an operating voltage; and a mode controller applying a first operating voltage and a first reference voltage to the second input terminal and the power supply terminal of the comparator for a predetermined delay time in response to a supply of power being initiated from a power supply, and applying a second operating voltage and a second reference voltage to the second input terminal and the power supply terminal of the comparator in response to the delay time elapsing, wherein the first operating voltage is higher than a ground voltage and is lower than the second operating voltage.
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