Power supply system, ripple suppression circuit and associated method
AssigneeChengdu Monolithic Power Systems Co., Ltd.
InventorsNaixing Kuang, Hongxia Yu, Zhijun Ye
Life of this patent
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Abstract
A power supply system having a voltage source; a load; a filter circuit to filter the voltage provided by the voltage source and to output a filtered voltage; and a follower circuit configured to generate an output signal at an output of the follower circuit based on the filtered voltage, and further wherein the output of the follower circuit is coupled to the load.
Claims20
A power supply system, comprising:
- a voltage source configured to provide a voltage;
- a load;
- a filter circuit having an input and an output, the input of the filter circuit being coupled to the voltage source, the filter circuit configured to filter the voltage provided by the voltage source and provide a filtered voltage at the output of the filter circuit;
- and
- a follower circuit having a first input, a second input and an output, the first input of the follower circuit being coupled to the voltage source, the second input of the follower circuit being coupled to the output of the filter circuit, the follower circuit configured to generate an output signal at the output of the follower circuit based on the filtered voltage, and the output of the follower circuit being coupled to the load configured to supply the load.
A ripple suppression circuit for suppressing a ripple in a voltage provided by a voltage source and supplying a load, the ripple suppression circuit comprising:
- a filter circuit having an input and an output, the input being coupled to the voltage source, the filter circuit configured to filter the voltage provided by the voltage source and provide a filtered voltage at the output of the filter circuit;
- and
- a follower circuit having a first input, a second input and an output, wherein the first input of the follower circuit being coupled to the voltage source, the second input of the follower circuit being coupled to the output of the filter circuit, and the output of the follower circuit configured to provide an output signal generated based on the filtered voltage for supplying the load.
A method of suppressing ripple in power supply system, the method comprising:
- filtering a voltage provided by a voltage source and obtaining a filtered voltage;
- generating an output signal based on the filtered voltage and the voltage provided by the voltage source;
- and
- supplying a load by the output signal.
Dependencies are inferred from the claim text.