Intel ERP2U manual Turn On/Off Timing

Page 23

SSI

ERP2U Power Supply Design Guide, V1.0

AC Input

Tvout_holdup

Vout

	TAC_on_delay		Tpwok_low
		Tpwok_off	Tpwok_on
Tsb_on_delay	Tpwok_on	Tpwok_off	Tsb_on_delay
Tsb_on_delay	Tpwok_on		Tsb_on_delay
PWOK	Tpwok_holdup
	Tpwok_holdup
5VSB		Tsb_holdup
5VSB	Tsb_vout

Tpwok_off

Tpson_pwok

PSON#

Tpson_on_delay

AC turn on/off cycle				PSON turn on/off cycle

Figure 3: Turn On/Off Timing

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Image 23

Contents SSI Disclaimer Contents Agency Requirements TablesConceptual Overview PurposeRequired Definitions/Terms/AcronymsRequired Optional Mechanical OverviewRecommended Optional Chassis Mounting FeaturesAirflow Requirements OptionalRedundant AC Inlets Temperature RequirementsAC Inlet Connector AC Input RequirementsAC Input Rating AC Input Voltage SpecificationOutput Minimum Power Efficiency EfficiencyAC Inrush AC Line DropoutAC Line Fuse AC Line Surge Transient Performance AC Line Transient SpecificationAC Line Fast Transient Specification AC Line Sag Transient PerformanceOptional Processor Power Connector DC Output SpecificationOutput Connectors Required Baseboard power connectorP9 Floppy Power Connector Required Peripheral Power ConnectorsRequired Floppy Power Connector Peripheral Power ConnectorsRemote Sense Optional Server Signal ConnectorServer Signal Connector Grounding480 W Load Ratings Output Power/Currents350 W Load Ratings Voltage Minimum Continuous Maximum Continuous PeakVoltage Regulation Limits Voltage RegulationStandby Outputs Transient Load Requirements Dynamic LoadingCapacitive Loading Ripple / Noise+3.3 +12 +5 VSB RedundancyHot Swap Requirements Ripple and NoiseSSI Description Timing RequirementsOutput Voltage Timing Recommended Description Turn On/Off TimingTurn On/Off Timing Over Current Protection Protection CircuitsCurrent Limit 240VA ProtectionOutput Voltage Over Temperature ProtectionOver Voltage Protection Over Voltage LimitsPSON# Control and Indicator FunctionsPson # Signal Characteristic Signal Type Pwok delayPwok Signal Characteristics Pwok Power OKProduct Info Area Field Replacement Unit FRU SignalsSMBus Communication Module FRU Data Module FRU Data FormatField Name PS Info Field Information Definition MultiRecord AreaPower Supply LEDs LED IndicatorsLED Indicators 10Agency Requirements Mtbf