Input: 9 - 36 V
Output: 48 V
Current: 3.7 A
Part ꢀo.: IQ18480HPC3H
Technical Specification
IQ18480HPC3H ꢂlectrical Characteristics (48.0 Vout)
Taꢀ=ꢀ25ꢀ°C,ꢀairflowꢀrateꢀ=ꢀ300ꢀLFM,ꢀVinꢀ=ꢀ18ꢀVꢀdcꢀunlessꢀotherwiseꢀnoted;ꢀfullꢀoperatingꢀtemperatureꢀrangeꢀisꢀ-40ꢀ°Cꢀtoꢀ+100ꢀ°Cꢀbaseplateꢀ
temperatureꢀwithꢀappropriateꢀpowerꢀderating.ꢀꢀSpecificationsꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Parameter
Min.
ꢁyp.
Max. Units ꢀotes & Conditions
IꢀPUꢁ CHARACꢁꢂRIꢃꢁICꢃ
ꢀMaximumꢀInputꢀCurrent
ꢀNo-LoadꢀInputꢀCurrent
29.2
310
3
A
mA
mA
V
mA
A
ꢀVinꢀmin;ꢀtrimꢀup;ꢀinꢀcurrentꢀlimit
250
2
2.4
520
ꢀDisabledꢀInputꢀCurrent
ꢀResponseꢀtoꢀInputꢀTransient
ꢀInputꢀTerminalꢀRippleꢀCurrent
ꢀRecommendedꢀInputꢀFuse
OUꢁPUꢁ CHARACꢁꢂRIꢃꢁICꢃ
ꢀOutputꢀVoltageꢀSetꢀPoint
ꢀOutputꢀVoltageꢀRegulation
ꢀOverꢀLine
ꢀOverꢀLoad
ꢀOverꢀTemperature
ꢀTotalꢀOutputꢀVoltageꢀRange
ꢀOutputꢀVoltageꢀRippleꢀandꢀNoise
Peak-to-Peak
ꢀ500ꢀV/ms;ꢀseeꢀFigureꢀ6
ꢀRMS
ꢀFastꢀactingꢀexternalꢀfuseꢀrecommended
3.0
47.52
48
48.48
V
±0.1
±0.1
±0.3
±0.3
720
%
%
mV
V
-720
46.80
49.20
ꢀOverꢀsample,ꢀline,ꢀload,ꢀtemperatureꢀ&ꢀlife
ꢀ20ꢀMHzꢀbandwidth;ꢀseeꢀNoteꢀ1
ꢀFullꢀload
ꢀFullꢀload
ꢀSubjectꢀtoꢀthermalꢀderating
ꢀOutputꢀvoltageꢀ10%ꢀLow
0
125
20
250
40
3.7
mV
mV
A
ꢀRMS
ꢀOperatingꢀOutputꢀCurrentꢀRange
ꢀOutputꢀDCꢀCurrent-LimitꢀInception
ꢀOutputꢀDCꢀCurrent-LimitꢀShutdownꢀVoltage
ꢀBack-DriveꢀCurrentꢀLimitꢀwhileꢀEnabled
ꢀBack-DriveꢀCurrentꢀLimitꢀwhileꢀDisabled
ꢀMaximumꢀOutputꢀCapacitance
ꢀOutputꢀVoltageꢀduringꢀLoadꢀCurrentꢀTransient
ꢀStepꢀChangeꢀinꢀOutputꢀCurrentꢀ(0.1ꢀA/µs)
ꢀSettlingꢀTime
ꢀOutputꢀVoltageꢀTrimꢀRange
ꢀOutputꢀVoltageꢀRemoteꢀSenseꢀRange
ꢀOutputꢀOver-VoltageꢀProtection
ꢂFFICIꢂꢀCY
0
4.07
4.44
25
0.1
5
4.81
A
V
A
mA
µF
ꢀNegativeꢀcurrentꢀdrawnꢀfromꢀoutput
ꢀNegativeꢀcurrentꢀdrawnꢀfromꢀoutput
ꢀVoutꢀnominalꢀatꢀfullꢀloadꢀ(resistiveꢀload)
100
2800
80
mV
µs
%
%
V
ꢀ50%ꢀtoꢀ75%ꢀtoꢀ50%ꢀIoutꢀmax
ꢀToꢀwithinꢀ1%ꢀVoutꢀnom
ꢀAcrossꢀPinsꢀ8&4;ꢀCommonꢀFiguresꢀ3-5;ꢀseeꢀNoteꢀ2
ꢀAcrossꢀPinsꢀ8&4
-20
10
10
60.96
56.16
58.60
ꢀOverꢀfullꢀtempꢀrange
ꢀ100%ꢀLoad
ꢀ50%ꢀLoad
89
91
%
%
ꢀSeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
ꢀSeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
Noteꢀ1:ꢀOutputꢀisꢀterminatedꢀwithꢀ1ꢀµFꢀceramicꢀcapacitor.ꢀꢀForꢀapplicationsꢀrequiringꢀreducedꢀoutputꢀvoltageꢀrippleꢀandꢀnoise,ꢀconsultꢀSynQorꢀ
applicationsꢀsupportꢀ(e-mail:ꢀsupport@synqor.com)
Noteꢀ2:ꢀTrim-upꢀrangeꢀisꢀlimitedꢀbelowꢀ10%ꢀatꢀlowꢀlineꢀandꢀfullꢀload.
Product # IQ18xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005029 Rev. B
04/13/09
Page 22
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