Input: 9 - 36 V
Output: 3.3 V
Current: 50 A
Part ꢀo.: IQ18033HPC50
Technical Specification
IQ18033HPC50 ꢂlectrical Characteristics (3.3 Vout)
Taꢀ=ꢀ25ꢀ°C,ꢀairflowꢀrateꢀ=ꢀ300ꢀLFM,ꢀVinꢀ=ꢀ18ꢀVꢀdcꢀunlessꢀotherwiseꢀnoted;ꢀfullꢀoperatingꢀtemperatureꢀrangeꢀisꢀ-40ꢀ°Cꢀtoꢀ+100ꢀ°Cꢀbaseplateꢀtemperatureꢀwithꢀ
appropriateꢀpowerꢀderating.ꢀꢀSpecificationsꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Parameter
Min.
ꢁyp.
Max. Units ꢀotes & Conditions
IꢀPUꢁ CHARACꢁꢂRIꢃꢁICꢃ
ꢀMaximumꢀInputꢀCurrent
ꢀNo-LoadꢀInputꢀCurrent
28.0
260
4
A
mA
mA
V
mA
A
ꢀVinꢀmin;ꢀtrimꢀup;ꢀinꢀcurrentꢀlimit
210
3
0.16
440
ꢀDisabledꢀInputꢀCurrent
ꢀResponseꢀtoꢀInputꢀTransient
ꢀInputꢀTerminalꢀRippleꢀCurrent
ꢀRecommendedꢀInputꢀFuse
OUꢁPUꢁ CHARACꢁꢂRIꢃꢁICꢃ
ꢀOutputꢀVoltageꢀSetꢀPoint
ꢀOutputꢀVoltageꢀRegulation
ꢀOverꢀLine
ꢀOverꢀLoad
ꢀOverꢀTemperature
ꢀTotalꢀOutputꢀVoltageꢀRange
ꢀOutputꢀVoltageꢀRippleꢀandꢀNoise
Peak-to-Peak
ꢀ500ꢀV/ms;ꢀseeꢀFigureꢀ6
ꢀRMS
ꢀFastꢀactingꢀexternalꢀfuseꢀrecommended
3.0
3.267
3.3
3.333
V
±0.1
±0.1
±0.3
±0.3
50
%
%
mV
V
-50
3.218
3.383
ꢀOverꢀsample,ꢀline,ꢀload,ꢀtemperatureꢀ&ꢀlife
ꢀ20ꢀMHzꢀbandwidth;ꢀseeꢀNoteꢀ1
ꢀFullꢀload
ꢀFullꢀload
ꢀSubjectꢀtoꢀthermalꢀderating
ꢀOutputꢀvoltageꢀ10%ꢀLow
0
80
12
160
20
50
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
55.0
60.0
1.8
1.5
0.1
65.0
A
V
A
mA
µF
ꢀNegativeꢀcurrentꢀdrawnꢀfromꢀoutput
ꢀNegativeꢀcurrentꢀdrawnꢀfromꢀoutput
ꢀVoutꢀnominalꢀatꢀfullꢀloadꢀ(resistiveꢀload)
10,000
120
200
mV
µs
%
%
V
ꢀ50%ꢀtoꢀ75%ꢀtoꢀ50%ꢀIoutꢀmax
ꢀToꢀwithinꢀ1%ꢀVoutꢀnom
ꢀAcrossꢀPinsꢀ8&4;ꢀCommonꢀFiguresꢀ3-5;ꢀseeꢀNoteꢀ2
ꢀAcrossꢀPinsꢀ8&4
-20
3.9
10
10
4.2
4.0
ꢀOverꢀfullꢀtempꢀrange
ꢀ100%ꢀLoad
ꢀ50%ꢀLoad
86
89
%
%
ꢀSeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
ꢀSeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
Noteꢀ1:ꢀOutputꢀisꢀterminatedꢀwithꢀ1ꢀµFꢀceramicꢀandꢀ15ꢀµFꢀlow-ESRꢀtantalumꢀcapacitors.ꢀꢀForꢀapplicationsꢀrequiringꢀreducedꢀoutputꢀvoltageꢀrippleꢀandꢀnoise,ꢀconsu
SynQorꢀapplicationsꢀsupportꢀ(e-mail:ꢀsupport@synqor.com)
Product # IQ18xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005029 Rev. B
04/13/09
Page 8