Control circuit for ring oscillator-based power controller
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United States of America
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Nov 12, 2024
Grant Date -
Aug 10, 2023
app pub date -
Jun 15, 2021
filing date -
Jun 15, 2021
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Abstract
An integrated circuit is built with enhancement mode Gallium Nitride (GaN) components. The integrated circuit comprises a comparator circuit which compares an input voltage with a reference voltage to provide a controllable constant current source, the comparator having a drive transistor having a positive threshold voltage, the drive transistor being switched on and off based on a comparison result of the comparator. The circuit may drive ring oscillators and may provide pulse width modulation with variable duty cycle at constant frequency.
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