Embedded Power for
Business-Critical Continuity
AIH Series
250 Watts
Special Features
• 250WContinuouspowerat
100°C baseplate temperature
• Highefficiency-upto88%
• Lowoutputrippleandnoise
• PositiveandNegative
enable function
• Excellenttransientresponse
• Safetyisolatedlowvoltage
controlandmonitoring
• Highreliability
• Wideinputvoltagerange
• Paralleablewithaccurate
currentsharing
• Adjustableoutputvoltage
• Regulationtozeroload
• Temperaturemonitoroutput
• EUDirective2002/95/EC
compliantforRoHS
Total Power: 250 Watts
(12V @ 20.8A)
Input Voltage: 300V
# of Outputs: Single
Electrical Specifications
Safety
Input
Inputrange 250-420VDC
Inputsurge 450V/100ms
Efficiency* 88%@5.0V(typical)
Output
LoadRegulation 0.2%typical(5Vandabove);10mVforbelow5V
LineRegulation 0.2%typical(5Vandabove);10mVforbelow5V
Noise/ripple 100mVtypical(below5V);2%typical(5Vandabove)
Outputvoltageadjustrange +/-20%for5Vandabove;+10%/-50%forbelow5V
Transientresponse 5%maxfor3.3Vandabove150mVfor1.8V,deviationwith25%to
75%fullload250µS(max)recovery
Currentshareaccuracy 3%typical
Overvoltageprotection 130%Vo(3.3Voand5Vo);125%Vo(otherVo)
Current limit 120%Iomaximum
Control
Voltageadjust 80to120%for5Vandabove;+10%/-50%forbelow5V
Enable TTLcompatible(positive&negativeenableoptions)
Clockinput(externalsync) 3.3to5.5Vp-p@800MHz±5%
Temperature
monitor output
10mV/°K(2.73=0°C)
Current monitor output 0to1mA(1mA=100%Io rated)
Notes
Nominalvaluesapplywithsensepinsdisconnectedandothercontrolpinunconnected.
*Fordetailedtechnicalinformation,pleaserefertotheproduct’sTechnicalReferenceNotes
foundatwww.PowerConversion.com.
UL 60950Recognized
cUL 60950Recognized
TUV EN60950Licensed
CE CEMark
Rev. 04.25.11
AIH Series
1 of 2
Embedded Power for
Business-Critical Continuity
PinAssignments
Input Output Control Pins
31.Positive 22.Positive 1.+Sense
32.Negative 23.Positive 2.TempMon
24.Positive 3.CMon
27.Negative 4.CShare
28.Negative 5.SDA
29.Negative 6.SCL
7.CLKIN
8.VAdj
9.Enable
10.-Sense
MechanicalDrawing
Operatingtemperature -20°Cto+100°C(casetemperature)
Startup temperature -40°Cto+100°C(casetemperature)
Storagetemperature -40°C to +100°C
Overtemperatureprotection 120°Cmax
MTBF 1Mhours(Demonstrated)
EnvironmentalSpecifications
Rev. 04.25.11
AIH Series
2 of 2
OrderingInformation
Input Voltage Output Voltage Efficiency Model Number
300V 1.8V@50A 80%(Typ) AIH50Y300
300V 3.3V@50A 82%(Typ) AIH50F300
300V 5.0V@40A 88%(Typ) AIH40A300
300V 12V@20.8A 86%(Typ) AIH20B300
300V 15V@16.6A 90%(Typ) AIH16C300
300V 24V@10.4A 90%(Typ) AIH10H300
1.ForNegativeenableaddsuffix“N”.
2.FonNon-threadhole,addsuffix“-NT”.
3.FonRoHS6,addsuffix“-L”.DefaultisRoHS5.
Americas
5810VanAllenWay
Carlsbad,CA92008
USA
Telephone:+17609304600
Facsimile: +17609300698
Europe (UK)
Waterfront Business Park
MerryHill,Dudley
WestMidlands,DY51LX
UnitedKingdom
Telephone:+44(0)1384842211
Facsimile: +44(0)1384843355
Asia (HK)
14/F,LuPlaza
2WingYipStreet
KwunTong,Kowloon
HongKong
Telephone:+85221763333
Facsimile: +85221763888
Forglobalcontact,visit:
www.Emerson.com/EmbeddedPower
techsupport.embeddedpower
@emerson.com
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