Embedded Power for

Business-Critical Continuity

OrderingInformation

Model Number Output Voltage Minimum Load

Maximum Load with

30CFM Forced Air

Peak Load 1 Regulation 2 Ripple P/P (PARD)3

LPS252-C

5V(3-6V)

1.50A

50A

60A

±2%

50mV

LPS253-C

12V(6-12)V

0.63A

21A

25A

±2%

120mV

LPS254-C

15(12-24V)

0.50A

16.7A

20A

±2%

150mV

LPS255-C

24V(24-48V)

0.32A

10.4A

12.5A

±2%

240mV

1.Peakcurrentlasting<30secondswithamaximum10%dutycycle.

2.At25°Cincludinginitialtolerance,linevoltage,loadcurrentsandoutputvoltagesadjustedtofactorysettings.

3.Peak-to-peakwith20MHzbandwidthand10µFinparallelwitha0.1µFcapacitoratratedlinevoltageandloadranges.

4.IfoptionalCForCEFfansarenotused,30CFMforcedaircoolingneedstobeprovidedandisrequiredthroughthelengthofthepowersupply.

Notconvectionrated.

5.Outputvoltageadjustmentrequiresaminimumload.

6.RemoteinhibitresetsOVPlatch

Note:-CFsuffixaddedtothemodelnumberindicatescoverwithtopfan.-CEFsuffixaddedtothemodelnumberindicatescoverwithdualend

mountedfancoverandACinlet.

Rev. 2.16.09_158

LPS250 Series

2 of 3

Operatingtemperature: 0°to50°Cambient;

derateeachoutputat2.5%perdegreefrom50°to70°C

Storagetemperature:

-40°Cto+85°C

Temperaturecoefficient: ±0.4%per°C

Electromagnetic

susceptibility:

DesignedtomeetIEC801,-2,-3,-4,-5,-6,Level3

Humidity:

Operating;non-condensing5%to95%

Vibration:

Threeorthogonalaxes,sweepat1oct/min,5min.dwellatfourmajorresonances0.7G

peak5Hzto500Hz,operational

MTBFdemonstrated:

>550,000hoursatfullloadand25°Cambientconditions

EnvironmentalSpecifications

LogicControl

Powerfailure:

TTLLogicsignalgoeshigh50-150msecafter5Voutput.Itgoeslowatleast4msbeforelossof

regulation

Remoteon/off:

Requiresanexternalcontact(N.OorN.C)toinhibitoutputs

DC-OK:

TTLlogicgoeshigh50-150msecaftertheoutput.Itgoeslowwhenthereislossof

regulation.

Remotesense:

Compensatesfor0.5Vleaddropminimum,willoperatewithoutremotesenseconnected.Reverse

connection protected