US Patent 11469668 Step-up switching converter and control circuit and method thereof
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Lei Li0
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US Patent 11469668 Step-up switching converter and control circuit and method thereof
Article
A control circuit and control method for controlling a step-up switching converter. The control circuit has an ultra-low voltage regulation module used to generate a control signal based on an output voltage feedback signal and an input voltage signal. When the input voltage signal is smaller than an ultra-low voltage threshold, the control signal controls a high side switch of the step-up switching converter off and controls a low side switch of the step-up switching converter to perform on and off switching. Meanwhile, a parasitic diode of the high side switch is on once the low side switch is off.
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Patent Number
114696680
Date of Patent
October 11, 2022
0Patent Application Number
173286530
Date Filed
May 24, 2021
0Patent Citations
Patent Primary Examiner
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