Input: 9-36 V
Output: 5.0V
Current: 20 A
Part ꢀo.: IQ18050QTC20
Technical Specification
IQ18050QTC20 ꢁꢃꢁCTRICꢂꢃ CꢅꢂRꢂCTꢁRISTICS (5.0 VOUT)
TAꢀ=ꢀ25ꢀ°C,ꢀairflowꢀrateꢀ=ꢀ300ꢀLFM,ꢀVINꢀ=ꢀ18ꢀVDCꢀunlessꢀotherwiseꢀnoted;ꢀfullꢀoperatingꢀtemperatureꢀrangeꢀisꢀ-40ꢀ°Cꢀtoꢀ+100ꢀ°Cꢀ
ambientꢀtemperatureꢀwithꢀappropriateꢀpowerꢀderating.ꢀꢀSpecificationsꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Parameter
Min.
Typ.
Max. Units ꢀotes & Conditions
IꢀPUT CꢅꢂRꢂCTꢁRISTICS
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
MaximumꢀInputꢀCurrentꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
184ꢀ
2.6ꢀ
16.6ꢀ
Aꢀ
mA
mA
Vꢀ
mAꢀ
Aꢀ
9ꢀVIN;ꢀtrimꢀup;ꢀinꢀcurrentꢀlimit
No-LoadꢀInputꢀCurrentꢀ
230ꢀ
DisabledꢀInputꢀCurrentꢀ
4.0ꢀ
ꢀ
ꢀ
ResponseꢀtoꢀInputꢀTransientꢀ
InputꢀTerminalꢀRippleꢀCurrentꢀ
RecommendedꢀInputꢀFuseꢀ
InputꢀFilterꢀComponentꢀValuesꢀ(L\C)ꢀ
0.2ꢀ
300ꢀV/msꢀinputꢀtransient;ꢀ100ꢀµFꢀoutputꢀcap.
RMS
370ꢀ
ꢀ
30ꢀ
ꢀ
Fastꢀactingꢀexternalꢀfuseꢀrecommended
µH\µFꢀ Internalꢀvalues;ꢀseeꢀFigureꢀE
0.47\18ꢀ
OUTPUT CꢅꢂRꢂCTꢁRISTICS
OutputꢀVoltageꢀSetꢀPointꢀ
OutputꢀVoltageꢀRegulation
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
4.95ꢀ
5.00ꢀ
5.05ꢀ
V
ꢀ
ꢀ
ꢀ
OverꢀLineꢀ
ꢀ
ꢀ
+0.1ꢀ
+0.1ꢀ
ꢀ
ꢀ
ꢀ
68ꢀ
10ꢀ
ꢀ
+0.3ꢀ
+0.3ꢀ
75ꢀ
5.125ꢀ
ꢀ
%
%
OverꢀLoadꢀ
OverꢀTemperatureꢀ
-75ꢀ
mV
TotalꢀOutputꢀVoltageꢀRangeꢀ
4.875ꢀ
Vꢀ
ꢀ
Overꢀsample,ꢀline,ꢀload,ꢀtemperatureꢀ&ꢀlife
20ꢀMHzꢀbandwidth
FullꢀLoad
FullꢀLoad
Subjectꢀtoꢀthermalꢀderating
OutputꢀVoltageꢀ10%ꢀLow
OutputꢀVoltageꢀRippleꢀandꢀNoiseꢀ1ꢀ
ꢀ
ꢀ
ꢀ
Peak-to-Peakꢀ
RMSꢀ
ꢀ
140ꢀ
20ꢀ
20ꢀ
26ꢀ
ꢀ
mVꢀ
mVꢀ
Aꢀ
ꢀ
OperatingꢀOutputꢀCurrentꢀRangeꢀ
0ꢀ
OutputꢀDCꢀCurrent-LimitꢀInceptionꢀ
OutputꢀDCꢀCurrent-LimitꢀShutdownꢀVoltageꢀ
Back-DriveꢀCurrentꢀLimitꢀwhileꢀEnabledꢀ
Back-DriveꢀCurrentꢀLimitꢀwhileꢀDisabledꢀ
MaximumꢀOutputꢀCapacitanceꢀ
22ꢀ
24ꢀ
2.3ꢀ
0.6ꢀ
15ꢀ
ꢀ
Aꢀ
ꢀ
ꢀ
V
ꢀ
Aꢀ
Negativeꢀcurrentꢀdrawnꢀfromꢀoutput
Negativeꢀcurrentꢀdrawnꢀfromꢀoutput
Voutꢀnominalꢀatꢀfullꢀloadꢀ(resistiveꢀload)
0ꢀ
50ꢀ
8,000ꢀ
ꢀ
mAꢀ
µFꢀ
ꢀ
ꢀ
OutputꢀVoltageꢀduringꢀLoadꢀCurrentꢀTransientꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ForꢀaꢀStepꢀChangeꢀinꢀOutputꢀCurrentꢀ(0.1ꢀA/µs)ꢀ
SettlingꢀTimeꢀ
ꢀ
120ꢀ
100ꢀ
ꢀ
ꢀ
ꢀ
mVꢀ
µsꢀ
%ꢀ
%ꢀ
%ꢀ
ꢀ
50%ꢀtoꢀ75%ꢀtoꢀ50%ꢀIOUTꢀmax
Toꢀwithinꢀ1%ꢀVOUTꢀnom
MeasuredꢀacrossꢀPinsꢀ8ꢀ&ꢀ4;ꢀCommonꢀFigureꢀ3
MeasuredꢀacrossꢀPinsꢀ8ꢀ&ꢀ4
Overꢀfullꢀtempꢀrange;ꢀ%ꢀofꢀnominalꢀVOUT
SeeꢀOutputꢀLoadꢀCurrentꢀapp.ꢀnoteꢀonꢀourꢀweb
ꢀ
-20ꢀ
ꢀ
OutputꢀVoltageꢀTrimꢀRangeꢀ
+10ꢀ
+10ꢀ
127ꢀ
ꢀ
OutputꢀVoltageꢀRemoteꢀSenseꢀRangeꢀ
OutputꢀOver-VoltageꢀProtectionꢀ
LoadꢀCurrentꢀScaleꢀFactorꢀ
ꢀ
117ꢀ
ꢀ
122ꢀ
1000ꢀ
ꢁFFICIꢁꢀCꢄ
ꢀ
ꢀ
100%ꢀLoadꢀ
50%ꢀLoadꢀ
ꢀ
ꢀ
88ꢀ
90ꢀ
ꢀ
ꢀ
%ꢀ
%ꢀ
SeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
SeeꢀFigureꢀ1ꢀforꢀefficiencyꢀcurve
ꢀote 1:ꢀOutputꢀisꢀterminatedꢀwithꢀ1ꢀµFꢀceramicꢀandꢀ15ꢀµFꢀlow-ESRꢀtantalumꢀcapacitors.ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀForꢀapplicationsꢀrequiringꢀreducedꢀoutputꢀvoltageꢀrippleꢀandꢀnoise,ꢀconsultꢀSynQorꢀapplicationsꢀsupportꢀ(e-mail:ꢀsupport@synqor.com)
Product # IQ18xxxQTCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-IQ18QTX Rev. B
09/23/08
Page 10
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