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US Patent 11991803 Flyback converter and LED driver using the flyback converter

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Is a
Patent
Patent
0

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
119918030
Patent Inventor Names
Henglian Luo0
Dennis Claessens0
Yufei Zhou0
Date of Patent
May 21, 2024
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Patent Application Number
172645560
Date Filed
July 26, 2019
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Patent Citations
‌
US Patent 8558474 Method and apparatus for dimming
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US Patent 8829819 Enhanced active preload for high performance LED driver with extended dimming
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US Patent 9232596 Mains synchronized PWM dimming
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US Patent 9338839 Off-grid LED power failure lights
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US Patent 9369050 Indirect current sensing method for a constant current flyback converter
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US Patent 9408269 Systems and methods for dimming control using TRIAC dimmers
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US Patent 9474120 Accurate mains time-base for LED light driver
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US Patent 9585222 Systems and methods for intelligent dimming control using TRIAC dimmers
0
...
Patent Primary Examiner
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Srinivas Sathiraju
0
Patent abstract

A dual-switch flyback converter in which the output current, in operating regions where a constant output current is required, can be regulated from the primary side. The output current is regulated constantly regardless of the input and output voltages by compensating the peak current in the primary winding with the average current in the clamping diode, or the conduction duration of the clamping diode.

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