Embedded Power for
Business-Critical Continuity
OrderingInformation
Model
Number
Output
Voltage
Minimum
Load
MaximumLoadwith
ConvectionCooling
MaximumLoad
with30CFM
ForcedAir
PeakLoad1Regulation2RippleP/P
(PARD)3
LPQ142 5V(3.3-5.5V) 0A 12A 25A 27A ±2% 50mV
12V 0A 5A 6A 9A ±3% 120mV
-12V(-12-15V) 0A 1A 1.5A 2A ±3% <1%
±3.3-25V 0.5A 1.5A 4.5A 5A ±3% <50mVor1%
1. Peakcurrentlasting<30secondswithamaximum10%dutycycle.
2. At25°Cincludinginitialtolerance,linevoltage,loadcurrentsandoutputvoltagesadjustedtofactorysettings.
3. Peak-to-peakwith20MHzbandwidthand10µFinparallelwitha0.1µFcapacitoratratedlinevoltageandloadranges.
4. 4thoutputadjustable3.3-25Vfactorysetat5V.
5.*Minimumloadsarerequiredwhenoutputsetbelow5Volts
6.RemoteinhibitresetsOVPlatch
Note:-Csuffixaddedtothemodelnumberindicatescoveroption.
-CFsuffixaddedtothemodelnumberindicatesfancoveroption.
Rev. 11.17.08_103
LPQ142 Series
2 of 3
Operatingtemperature: 0°to50°Cambient.Derateeachoutput2.5%perdegreefrom50°to
70°C(exceptfor-Cversion).
Storagetemperature: -40°Cto+85°C
Temperaturecoefficient: ±0.4%per°C
Electromagnetic
susceptibility: DesignedtomeetIE61000-4,-2,-3,-4,-5,-6,-8,-11,Level3
Humidity: Operating;non-condensing5%to95%
Vibration: Threeorthogonalaxes,sweepat1oct/min,5min.dwellatfourmajor
resonances0.75Gpeak5Hzto500Hz,operational
MTBFdemonstrated: >550,000hoursatfullloadand25°Cambientconditions
EnvironmentalSpecifications
LogicControl
ACpowerfailure: TTLlogicsignalgoeshigh100-500msecafterV1output;Itgoeslow
atleast4msecbeforelossofregulation
Remoteinhibit: Requirescontactclosuretoinhibitoutputs
Remotesense: Compensatesfor0.5Vleaddropmin.Willoperatewithoutremote
senseconnected.Reverseconnectionprotected.
DC-OK: TTLlogicsignalgoeshighaftermainoutputisinregulation.Itgoeslow
whenthereisalossofregulation
Mating Connectors
(SK1)ACInput: Molex09-50-8051(USA)
Molex09-91-0500(UK)
PINS:08-58-0111
(SK2)AuxDCOutput: Molex09-50-8061(USA)
Molex09-91-0600(UK)
PINS:08-58-0111
(SK6)ControlSignals: Molex90142-0010(USA)
PINS:90119-2110or
Amp:87977-3
PINS:87309-8
(SK4)Mainoutput: MolexBB-19141-0058
EmersonNetworkPowerconnectorkit#70-841-017,
includesaloftheabove.
PinAssignments
SK1 PIN1 Ground
PIN3 Neutral
PIN5 Line
SK2 PIN1 +12V
PIN2 Common
PIN3 -12V
PIN4 Common
PIN5 +5Vto+25V(float)
PIN6 Common(float)
SK4 TB-1 Common
TB-2 +5V
SK6 PIN1 N/C
PIN2 DCOK
PIN3 N/C
PIN4 V1SWP
PIN5 Common
PIN6 +V1sense
PIN7 Sense common
PIN8 +inhibit
PIN9 -inhibit
PIN10 Power fail