ATX Version 3.0 Multi Rail Desktop Platform Power Supply

Design Guide

ID 336521
Date 01/02/2022

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Document Table of Contents

Reference Documentation

The following documents are referenced in various sections of this design guide. The document may not be up to date; refer to the latest version. For guidelines not specifically mentioned here, refer to the appropriate document.


Document Number /Source

European Association of Consumer Electronics Manufacturers (EACEM*)

Hazardous Substance List / Certification


IEEE* Recommended Practice on Surge Voltages in Low-Voltage AC Circuits

ANSI* C62.41-1991

IEEE Guide on Surge Testing for Equipment Connected to Low-Voltage AC Power Circuits

ANSI C62.45-1992

Nordic national requirement in addition to EN 60950

EMKO-TSE (74-SEC) 207/94

American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz for EMI testing

ANSI C63.4

UL 60950-1 First Edition –CAN/CSA-C22.2 No. 60950-1-03

First Edition,

IEC 60950-1: 2001 + Amendments and National Deviations,

EN 60950-1: 2001 + Amendment A11:

EU Low Voltage Directive (73/23/EEC) (CE Compliance)

GB-4943 (China)

CNS 14336: (Taiwan BSMI)

FCC*, Class B, Part 15 (Radiated and Conducted Emissions)

CISPR* 22 / EN55022, 5th Edition (Radiated and Conducted Emissions)

EN55024 (ITE Specific Immunity)

EN 61000-4-2 – Electrostatic Discharge

EN 61000-4-3– Radiated RFI Immunity

EN 61000-4-4– Electrical Fast Transients

EN 61000-4-5 – Electrical Surge

EN 61000-4-6 – RF Conducted

EN 61000-4-8 – Power Frequency Magnetic Fields

EN 61000-4-11 – Voltage Dips, Short Interrupts and Fluctuations

EN61000-3-2 (Harmonics)

EN61000-3-3 (Voltage Flicker)

EU EMC Directive ((8/9/336/EEC) (CE Compliance))

IEC 62368

PCI Express* Card Electromechanical Specification Revision 5.0 Doc # 15904

PCI Express* Card Electromechanical (CEM) Engineering Change Notice (ECN) – “Power Excursion Limits for 300-600w PCIe* AICs” Doc # 16495

PCI Express* Card Electromechanical (CEM) Engineering Change Request (ECR) – “Power Excursion Limits for up to 300 W PCIe* AICs” Doc # 16680

ENERGY STAR for Computers Version 8.0

European Union Energy Related Products(ErP) Lot 6

Power Supply Efficiency Labeling Program – 80 plus Organization

Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and Dc-Dc Power Supplies Revision 6.7.1

EPRI – Listed at website

Efficiency (ETA) and Noise (LAMBDA) programs: Cybenetics LTD