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US Patent 8358117 Hysteretic regulator with output slope detection

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Patent abstractTimelineTable: Further ResourcesReferences
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Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
83581171
Patent Inventor Names
Jye Sheng Hong1
Rudy Kurniawan1
Siew Yong Chui1
Date of Patent
January 22, 2013
1
Patent Application Number
127797431
Date Filed
May 13, 2010
1
Patent Citations Received
‌
US Patent 12088204 Power supply circuit
2
‌
US Patent 11689105 Method and apparatus for PWM control of multi-mode switching power supply using iterative average current mode control
3
Patent Primary Examiner
‌
Shawn Riley
1
Patent abstract

In one embodiment, an apparatus includes output voltage comparison circuitry that compares an output voltage of a regulator and a reference voltage and outputs an output voltage comparison signal based on the comparison. Slope detection circuitry detects a slope of the output voltage and outputs a slope comparison signal based on the slope detected. Duty cycle determination circuitry receives the output comparison signal and the slope comparison signal and outputs a pre-driver signal having a duty cycle based on the output comparison signal and the slope comparison signal. The pre-driver signal is used to regulate the output voltage of the voltage regulator.

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