ATX12VO (12V Only) Desktop Power Supply

Design Guide

ID 613768
Date 01/03/2022
Public

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+12VSB Fall Time (Recommended)

Power supply 12VSB is recommended to go down to low level within 2 seconds under any load condition after AC power is removed as shown in the below figure. Intel test plan will test at Light 20% Load. If system requires specific +12VSB fall time, the PSU design is recommended to support it.

Figure 4-8: 12VSB Fall Time

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