Intel ATX12V manual Input Under-voltage, Regulatory, Other Certifications and/or Declarations

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ATX12V Power Supply Design Guide

Version 2.0

3.1.3. Input Under-voltage

The power supply shall contain protection circuitry such that the application of an input voltage below the minimum specified in Section 3.1, Table 1, shall not cause damage to the power supply.

3.1.4. Regulatory

The power supply is required to be tested and comply with the most current version of the following regulatory specification requirements and/or standards

PRODUCT SAFETY

UL* 60950, 3rd Edition –CAN/CSA-C22.2-60950-00,

EN*60 950, 3rd Edition

IEC*60 950, 3rd Edition (CB Report to include all national deviations)

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

GB4943-90 CCIB* (China)

ELECTROMAGNETIC CAMPATIBILITY

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

CISPR* 22 / EN55022, 3rd Edition (Radiated & 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)

Other Certifications and/or Declarations

GB925 (China/CCC*), CNS13438 (Taiwan/BSMI*),

AS/NZ3548 (Australia/C-tick* based on CISPR22)

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Contents ATX12V VersionImportant Information and Disclaimers Contents Environmental SafetyMechanical Electromagnetic CompatibilityFigures TablesIncreased +12 VDC output capability IntroductionScope Minimum EfficiencySeparate current limit for 12V2 on the 2x2 connector Main Power ConnectorTerminology Document Title Applicable DocumentsDescription Input Over-current Protection ElectricalAC Input Inrush Current LimitingRegulatory Input Under-voltageOther Certifications and/or Declarations DC Voltage Regulation DC OutputCatastrophic Failure Protection DC Output Voltage RegulationTypical Power Distribution Remote SensingMin Max Power12V power watts Current Output AmpsTypical Power Distribution for a 300 W ATX12V Configuration Cross Loading Graph for 300W ConfigurationTypical Power Distribution for a 350 W ATX12V Configuration Cross Loading Graph for 350W ConfigurationTypical Power Distribution for a 400 W ATX12V Configuration Min Max Peak Current Output AmpsGeneral Power Limit / Hazardous Energy LevelsEfficiency Minimum Efficiency Vs LoadLoading Table for Efficiency Measurements Output Ripple/Noise Energy Star Input Power ConsumptionOther Low Power System Requirements Energy StarDC Output Noise/Ripple Max. Ripple & Noise MVppDC Output Transient Step Sizes Output Transient ResponseCapacitive Load Output Capacitive LoadsClosed-loop Stability 10. +5 VDC / +3.3 VDC Power SequencingTiming / Housekeeping / Control Voltage Hold-up TimePwrok Pwrok Signal CharacteristicsPSON# PSON# Signal Characteristics 3. +5 VSB8. +5 VSB at AC Power-down Power-on TimeReset after Shutdown RisetimeShort-circuit Protection Output ProtectionOver-voltage Protection No-load OperationOver-temperature Protection Output BypassMechanical Physical DimensionsLabeling / Marking Second optional fan may go in this location Second optional Airflow / Fan AC Connector DC Connectors+5V +33V 12V+12V1 +5V ATX Main Power Connector Pin Signal ColorConnector Molex 39-01-2040 or equivalent 2. +12 V Power ConnectorPeripheral Connectors Pin Signal AWG WireWire Signal Serial ATA Power ConnectorFloppy Drive Connector Connector AMP 171822-4 or equivalent Pin Signal AWG WireThermal Shock Shipping TemperatureEnvironmental HumidityRandom Vibration Mechanical ShockAcoustics Emissions Electromagnetic CompatibilityImmunity Magnetic Leakage Fields Input Line Current Harmonic Content and Line FlickerHarmonic Limits, Class D Equipment Reliability Component De-ratingSafety North AmericaInternational Proscribed Materials