Overheat protection circuit and voltage regulator

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United States of America Patent

PATENT NO 9819173
SERIAL NO

14656196

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Importance

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Abstract

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To provide an overheat protection circuit which is not affected by a leak current while being low in current consumption and good in detection accuracy, and a voltage regulator equipped with the overheat protection circuit. An overheat protection circuit is configured to include a leak current detection circuit which detects that a leak current has flowed at a high temperature, a bias circuit which allows a bias current to flow in response to an output signal of the leak current detection circuit, and a temperature detection circuit operated by the bias current.

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Patent Owner(s)

  • SII SEMICONDUCTOR CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azuma, Fumimasa Phnom Penh, KH 4 15
Endo, Daiki Chiba, JP 7 44

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