hold-up time Last modified: Tuesday, May 08, 2007
The amount of time, measured in in milliseconds that a power supply unit (PSU) can maintain output within the specified voltage range after a loss of input power. The hold-up time is thje amount of time that the system can continue to run without resetting or rebooting during a power interruption. Some power supplies may also includes a battery to maintain power in the event of a power outage. These are called an uninterruptible power supply.
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