ATX Version 3.0 Multi Rail Desktop Platform Power Supply

Design Guide

ID 336521
Date 02/01/2023
Public

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Capacitive Load – RECOMMENDED

The power supply should be able to power up and operate within the regulation limits defined in Table 4-2, with the following capacitances simultaneously present on the DC outputs. These Capacitive Loads are to simulate what a motherboard / system provides when connected to a power supply.

Table 4-7. Output Capacitive Loads

Output

Capacitive Load (μF)

+12V1DC

3,300

+12V2DC

3,300

+5VDC

3,300

+3.3VDC

3,300

-12VDC

330

+5VSB

3,300