| 摘要 |
In one embodiment, a method of operating a switched-mode power supply having a switch coupled to a drive signal is disclosed. The method includes shutting off the switch with the drive signal at a first instance of time, and comparing a magnitude of a voltage of a power supply node to a threshold after shutting off the switch. If the magnitude of the voltage of the power supply node exceeds the threshold, the switch is inhibited from turning on for a first time interval.
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