BAND-GAP REFERENCE SOURCE CIRCUIT AND ELECTRONIC APPARATUS
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 14, 2023
filing date -
Sep 14, 2023
priority date (Note) -
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Abstract
A band-gap reference source circuit is configured to be connected with an electronic device. The band-gap reference source circuit comprises: a power supply, a start circuit, a core circuit, an output circuit and a shunt circuit, wherein the power supply is connected to first ends of the start circuit, the core circuit and the output circuit; a second end of the start circuit is connected to the core circuit; a second end of the core circuit is connected to the output circuit, and a control end of the core circuit is connected to the shunt circuit and used for providing a control signal for the shunt circuit; an output end of the output circuit is used for connecting to an electronic device; and a first end of the shunt circuit is connected to the output end of the output circuit, and controls a current of a second end.
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