US Patent 7468877 Overcurrent detection circuit and power supply apparatus provided therewith
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Patent abstract
An overcurrent detection circuit that detects an overcurrent state of a transistor that outputs a current to a load is provided with a start-up monitoring portion that distinguishes between a start-up state and a steady state, an overcurrent monitoring portion that monitors an overcurrent state of the transistor, and an output voltage monitoring portion that detects whether the output voltage to the load is normal or abnormal. The overcurrent monitoring portion changes an overcurrent detection level while referring to information from the start-up monitoring portion and the overcurrent monitoring portion.
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US Patent 07468877 Overcurrent detection circuit and power supply apparatus provided therewith US Patent 7468877 Overcurrent detection circuit and power supply apparatus provided therewith
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Patent Number
0746887700
Patent Number
746887700
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Patent Jurisdiction
Patent Number
074688770
Date of Patent
December 23, 2008
0Patent Application Number
115684930
Date Filed
April 28, 2005
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Is a
Patent Jurisdiction
Patent Number
074688770
Date of Patent
December 23, 2008
0Patent Application Number
115684930
Date Filed
April 28, 2005
0Official Website
Patent Primary Examiner
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US Patent 07468877 Overcurrent detection circuit and power supply apparatus provided therewith
Infobox
Is a
Patent jurisdiction
Patent number
07468877
Date of patent
December 23, 2008
Patent application number
11568493
Date Filed
April 28, 2005
Patent primary examiner
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