Power supply control circuit, power supply device, electronic apparatus, and power supply control method

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United States of America Patent

PATENT NO 9301278
APP PUB NO 20140210445A1
SERIAL NO

14162527

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A control circuit includes a detection circuit configured to detect a load current flowing into a load, and a setting circuit configured to set switching operations on first and second switch circuits according to the load current. The setting circuit is configured to cause both the first switch circuit and the second switch circuit to be in an off state, when a power supply stop signal is input from an outside, if the load current is in a first range, and to cause the first switch circuit to perform an on-off operation on the basis of the output voltage while causing the second switch circuit to be in the off state, if the load current is higher than a first reference value that is an upper limit of the first range.

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Patent Owner(s)

Patent OwnerAddress
SOCIONEXT INC2-10-23 SHIN-YOKOHAMA KOHOKU-KU YOKOHAMA-SHI KANAGAWA 2220033 ?2220033

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Morihito Nagoya, JP 35 517

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