Switching charger having fast dynamic response for transition of load
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United States of America
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Feb 25, 2025
Grant Date -
Oct 19, 2023
app pub date -
Sep 16, 2022
filing date -
Sep 16, 2022
priority date (Note) -
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Abstract
A switching charger having fast dynamic response for transition of a load is provided. A first terminal of a high-side switch is coupled to an input voltage. A first terminal of a low-side switch is connected to a second terminal of the high-side switch. A first terminal of an inductor is connected to a node between the first terminal of the low-side switch and the second terminal of the high-side switch. A second terminal of the inductor is connected to a first terminal of a capacitor. A constant on-time circuit determines a duty cycle of an on-time signal according to the input voltage and an output voltage of a node between the second terminal of the inductor and the first terminal of the capacitor. A control circuit controls a driver circuit to drive the high-side switch and the low-side switch according to the on-time signal.
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