Bandgap reference voltage generating circuit with temperature correction at range of high/low temperature

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United States of America Patent

PATENT NO 10684637
APP PUB NO 20190317543A1
SERIAL NO

16466602

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Abstract

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a reference voltage generating circuit that includes a bandgap reference voltage generating circuit main body (10) configured to generate a substantially constant reference voltage at room temperature, a high temperature correction circuit (30) configured to increase a reference voltage generated by the reference voltage generating circuit main body at a high temperature by supplying a high temperature correction current that increases as the temperature increases to the resistor, a low temperature correction circuit (40) configured to increase a reference voltage generated by the reference voltage generating circuit main body at a low temperature by supplying a low temperature correction current that increases as the temperature decreases to the resistor, and a bias circuit (20) configured to generate a bias voltage according to the temperature, so as to control the high temperature correction current and the low temperature correction current at the same time.

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Patent Owner(s)

Patent OwnerAddress
NEW JAPAN RADIO CO LTDTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yoshida, Haruhiko Fujimino, JP 57 642

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