Patent ID: 11888395
Assignee: CHENGDU MONOLITHIC POWER SYSTEMS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. The switch mode power supply of claim 11, wherein the transient detector comprises:
a first comparator having a first input terminal, a second input terminal and an output terminal, wherein the first input terminal is configured to receive a second feedback voltage indicative of the output voltage and the second input terminal is configured to receive a second reference voltage, the first comparator is configured to provide a first comparing signal at the output terminal based on the second feedback voltage and the second reference voltage;
a second comparator having a first input terminal, a second input terminal and an output terminal, wherein the first input terminal is configured to receive the second feedback voltage and the second input terminal is configured to receive a third reference voltage, the second comparator is configured to provide a second comparing signal at the output terminal based on the second feedback voltage and the third reference voltage; and
a first OR gate having a first input terminal, a second input terminal and an output terminal, wherein the first input terminal is coupled to the first comparator to receive the first comparing signal, and the second input terminal is coupled to the second comparator to receive the second comparing signal, the first OR gate is configured to provide the transient detecting signal at the output terminal based on the first comparing signal and the second comparing signal.