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Technical Specification
IQ24-HPC Family
18-36 V 50 V 1.8-48 V
Outputs
225 W
Max Power
2250 V dc
Isolation
Half-brick
DC-DC Converter
Continuous Input transient Input
The InQor(R) Half-brick converter series is composed of next-generation, board-mountable, isolated, fixed switching frequency dc-dc converters that use synchronous rectification to achieve extremely high power conversion efficiency. Each module is supplied completely encased to provide protection from the harsh environments seen in many industrial and transportation applications. Operational Features
* Highefficiencies,upto92%atfullratedloadcurrent * Deliversfullpowerwithminimalderating-noheatsinkrequired * Operatinginputvoltagerange: 18-36 V, 50 V transient for 1 s * FixedfrequencyswitchingprovidespredictableEMI * Nominimumloadrequirement
Mechanical Features
* IndustrystandardHalf-brickpin-outconfiguration * Size:2.390"x2.490"x0.512"(60.6x63.1x13.0mm) * Totalweight:5oz(142g)
Protection Features
* Inputunder-voltagelockout * Inputover-voltageshutdown * Outputcurrentlimitandshortcircuitprotection * Activebackbiaslimit * Outputover-voltageprotection * Thermalshutdown
Control Features
* On/Offcontrolreferencedtoinputside * Remotesensefortheoutputvoltage * Outputvoltagetrimrangeof-20%,+10%
COntentS
MechanicalDrawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 IQ24-HPCFamilyElectricalCharacteristics . . . . . . . . . . . . . . . . . . . . 3-4 IQ24-HPCFamilyFigures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 IQ24018HPC60(1.8V,60A)CharacteristicsandFigures . . . . . . . . . 6-7 IQ24033HPC50(3.3V,50A)CharacteristicsandFigures . . . . . . . . . 8-9 IQ24050HPC40(5.0V,40A)CharacteristicsandFigures . . . . . . . 10 - 11 IQ24120HPC18(12V,18A)CharacteristicsandFigures . . . . . . . . 12-13 IQ24150HPC15(15V,15A)CharacteristicsandFigures . . . . . . . . 14-15 IQ24240HPC09(24V,9.0A)CharacteristicsandFigures . . . . . . . 16-17 IQ24280HPC7F(28V,7.5A)CharacteristicsandFigures . . . . . . . 18 - 19 IQ24400HPC5F(40V,5.5A)CharacteristicsandFigures . . . . . . . 20-21 IQ24480HPC4F(48V,4.5A)CharacteristicsandFigures . . . . . . . 22-23 ApplicationNotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-27 OrderingInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Doc.# 005-005026 Rev. B 10/14/08
PageNo.
Safety Features
* 2250V,30MW input-to-output isolation * UL/cUL60950-1recognized(US&Canada),basicinsulation rating * TUVcertifiedtoEN60950-1 * Meets72/23/EECand93/68/EECdirectiveswhichfacilitates CEMarkinginuser'sendproduct * BoardandplasticcomponentsmeetUL94V-0standard * RoHScompliant(seelastpage)
Product # IQ24xxxHPCxx Phone 1-888-567-9596
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Page 1
Technical Specification
IQ24-HPC Family
MECHANICALDIAGRAM
NOTES
PINDESIGNATIONS
Pin No.
1 2 3 4 5 6 7 8
Notes: 1. SENSE(-)shouldbeconnectedtoVout(-)eitherremotelyoratthe converter. 2. LeaveTRIMpinopenfornominaloutputvoltage. 3. SENSE(+)shouldbeconnectedtoVout(+)eitherremotelyoratthe converter.
1)Pins1-3,5-7are0.040"(1.02mm)diameterwith0.080" (2.03mm)diameterstandoffshoulders. 2)Pins4and8are0.080"(2.03mm)diameterwith0.125" (3.18mm)diameterstandoffshoulders. 3)Recommendedpinlengthis0.03"(0.76mm)greaterthanthe PCBthickness. 4)AllPins:Material-CopperAlloy;Finish-MatteTinoverNickel plate 5)Weight: 5oz.(142g)typical 6)Alldimensionsininches(mm) Tolerances: x.xx+/-0.02in.(x.x+/-0.5mm) x.xxx+/-0.010in.(x.xx+/-0.25mm) 7)Workmanship:MeetsorexceedscurrentIPC-A-610ClassII 8)Appliedtorqueperscrewshouldnotexceed6in-lb.(0.7Nm). 9)Baseplateflatnesstoleranceis0.004"(.10mm)TIRforsurface.
Name
Vin(+) ON/OFF Vin(-) Vout(-) SENSE(-) TRIM SENSE(+) Vout(+)
Function
Positive input voltage TTLinputtoturnconverter on and off, referenced to Vin(-)withinternalpullup Negativeinputvoltage Negativeoutputvoltage Negativeremotesense 1 Outputvoltagetrim 2 Positive remote sense 3 Positive output voltage
Product # IQ24xxxHPCxx
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Doc.# 005-005026 Rev. B
10/14/08
Page 2
Technical Specification
IQ24-HPC Family
IQ24 FAMILY eLeCtRICAL CHARACteRIStICS (all output voltages)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
Min.
typ.
Max.
60 36 50 2250 2250 2250 100 125 18
Units notes & Conditions
V V V V dc V dc V dc C C V V Continuous Continuous 1 s transient, square wave
ABSOLUte MAXIMUM RAtInGS Input Voltage Non-Operating Operating OperatingTransientProtection Isolation Voltage InputtoOutput InputtoBase-Plate OutputtoBase-Plate OperatingTemperature -40 StorageTemperature -55 VoltageatON/OFFinputpin -2 InPUt CHARACteRIStICS OperatingInputVoltageRange 18 InputUnder-VoltageLockout Turn-OnVoltageThreshold 16.6 Turn-OffVoltageThreshold 14.8 LockoutVoltageHysteresis InputOver-VoltageShutdown 52 RecommendedExternalInputCapacitance InputFilterComponentValues(L\C) DYnAMIC CHARACteRIStICS Turn-OnTransient Turn-OnTime Start-UpInhibitTime 200 OutputVoltageOvershoot ISOLAtIOn CHARACteRIStICS IsolationVoltage(dielectricstrength) IsolationResistance IsolationCapacitance(inputtooutput) teMPeRAtURe LIMItS FOR POWeR DeRAtInG CURVeS SemiconductorJunctionTemperature BoardTemperature Transformer Temperature MaximumBaseplateTemperature,Tb FeAtURe CHARACteRIStICS SwitchingFrequency 255 ON/OFFControl Off-StateVoltage 2.4 On-StateVoltage -2 ON/OFFControl Pull-UpVoltage Pull-UpResistance Over-TemperatureShutdownOTPTripPoint Over-TemperatureShutdownRestartHysteresis ReLIABILItY CHARACteRIStICS CalculatedMTBF(Telcordia)TR-NWT-000332 CalculatedMTBF(MIL-217)MIL-HDBK-217F FieldDemonstratedMTBF
Baseplatetemperature
24 17.0 15.2 1.8 55 470 1.1\13.2
36 17.4 15.6
50V transient for 1 s
V V V V F TypicalESR0.1-0.2 H\F Internalvalues;seeFigureE
10 230 0
250
ms ms %
Fullload,Vout=90%nom. SeeFigureF MaximumOutputCapacitance SeeAbsoluteMaximumRatings
30 1000 125 125 125 100 275 295 1.8 0.8 5 50 125 10 TBD TBD
M pF C C C C kHz V
SeeNote1 Packageratedto150C ULratedmaxoperatingtemp130C
Isolation stage switching freq. is half this
ApplicationnotesFiguresA&B V k C C
AveragePCBTemperature
106 Hrs. 80%load,200LFM,40CTa 106 Hrs. 80%load,200LFM,40CTa 106 Hrs. Seeourwebsitefordetails
Note1:Highervaluesofisolationcapacitancecanbeaddedexternaltothemodule.
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-005026 Rev. B 10/14/08 Page 3
Technical Specification
IQ24-HPC Family
STANDARDSCOMPLIANCE
STANDARDSCOMPLIANCE UL/cUL60950-1 EN60950-1 NeedleFlameTest(IEC695-2-2) IEC61000-4-2
Parameter
Notes&Conditions
File#E194341,Basicinsulation CertifiedbyTUV Testonentireassembly;board&plasticcomponentsUL94V-0compliant ESDtest,8kV-NP,15kVair-NP(NormalPerformance)
Note:Anexternalinputfusemustalwaysbeusedtomeetthesesafetyrequirements.ContactSynQorforofficialsafetycertificatesonnew releasesordownloadfromtheSynQorwebsite.
QUALIFICATIONTESTING
QUALIFICATIONTESTING LifeTest Vibration MechanicalShock TemperatureCycling Power/ThermalCycling DesignMarginality Humidity Solderability
Parameter
#Units
32 5 5 10 5 5 5 15 pins
TestConditions
95%ratedVinandload,unitsatderatingpoint,1000hours 10-55Hzsweep,0.060"totalexcursion,1min./sweep,120sweepsfor3axis 100gminimum,2dropsinxandyaxis,1dropinzaxis -40Cto100C,unittemp.ramp15C/min.,500cycles Toperating = min to max, Vin = min to max, full load, 100 cycles Tmin-10CtoTmax+10C,5Csteps,Vin=mintomax,0-105%load 85C,85%RH,1000hours,continuousVinappliedexcept5min/day MIL-STD-883,method2003
Product # IQ24xxxHPCxx
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Doc.# 005-005026 Rev. B
10/14/08
Page 4
Technical Specification
IQ24-HPC Family
IQ24 FAMILY FIGUReS (all output voltages)
120
Nominal Vout
Typical Current Limit Inception Point 100
Output Voltage (%)
80 Typical Output Voltage at Shutdown 60
40 Vin min 20 Vin nom Vin max 0
5.00
0
10
20
30
40
50
60
70
80
90 100 110 120 130 140 150
Load Current (% )
Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/OFF Pin on Ch 2.
Common Figure 2: Output voltage vs. load current showing typical current limit curves and converter shutdown points.
100,000
1,000,000
Trim Resistance (kOhms)
10,000
Trim Resistance (kOhms)
0 1 2 3 4 5 6 7 8 9 10
100,000
1,000
10,000
100
1,000
10
100 0 1 2 3 4 5 6 7 8 9 10
1.8 V
3.3 V
5V
12 V
15 V
24 V
28 V
40V
48 V
Common Figure 3: Trim graph for trim-up 1.8 to 12 V outputs.
10,000.0 % Decrease in Vout (All voltages)
Common Figure 4: Trim graph for trim-up 15 to 48 V outputs.
Trim Resistance (kOhms)
1,000.0
100.0
10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
% Decrease in Vout (All voltages)
Common Figure 5: Trim graph for trim down.
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-005026 Rev. B 10/14/08 Page 5
Technical Specification
Input: Output: Current: Part no.:
18-36 V 1.8 V 60 A IQ24018HPC60
IQ24018HPC60 eLeCtRICAL CHARACteRIStICS (1.8 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
Max.
9.6 140 4
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
110 2 0.11 135
TBD 1.782 1.8 0.1 0.1 -27 1.755 0 0 66.0 165 27 72.0 0.9 1.2 0.1 1.818 0.3 0.3 27 1.845 330 50 60 78.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 2.1 2.2 83 87 10 10 2.3
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 6
Technical Specification
100 95
16 14
Input: Output: Current: Part no.:
18-36 V 1.8 V 60 A IQ24018HPC60
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
70 60 50
70 60 50
Iout (A)
400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
40 30 20 10 0 25 40 55 70 85
40 30 20 10 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (200 mV/div), Ch 2: Iout (25 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 7
Technical Specification
Input: Output: Current: Part no.:
18-36 V 3.3 V 50 A IQ24033HPC50
IQ24033HPC50 eLeCtRICAL CHARACteRIStICS (3.3 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
135 2 0.15 210
Max.
13.6 170 4
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 3.267 3.3 0.1 0.1 -50 3.218 0 0 55.0 140 20 60.0 1.7 1.3 0.1 3.333 0.3 0.3 50 3.383 280 40 50 65.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
10,000 100 100 -20 3.9 4.0 89 91 10 10 4.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 8
Technical Specification
100 95 90 100 95 90
Input: Output: Current: Part no.:
18-36 V 3.3 V 50 A IQ24033HPC50
Efficiency (%)
85 80 75 70 65 60 0 10 20 30 40 50 18 Vin 24 Vin 36 Vin
Efficiency (%)
85 80 75 70 65 60 0 10 20 30 40 50 18 Vin 24 Vin 36 Vin
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
60
60
50
50
40
40
Iout (A)
30
Iout (A)
400 LFM (2.0 m/s) 300 LFM (1.5 m/s)
30
20
20 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 10 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
10
200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (100 mV/div), Ch 2: Iout (10 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 9
Technical Specification
Input: Output: Current: Part no.:
18-36 V 5.0 V 40 A IQ24050HPC40
IQ24050HPC40 eLeCtRICAL CHARACteRIStICS (5.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
125 2 0.25 200
Max.
16.6 160 4
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 4.95 5 0.1 0.1 -75 4.875 0 0 44.0 125 20 48.0 1.8 0.6 0.4 5.05 0.3 0.3 75 5.125 250 40 40 52.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
8,000 160 100 -20 5.9 6.1 88 91 10 10 6.4
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 10
Technical Specification
100 95
30 27 24
Input: Output: Current: Part no.:
18-36 V 5.0 V 40 A IQ24050HPC40
Power Dissipation (W)
90
21 18 15 12 9 6 3 0 18 Vin 24 Vin 36 Vin 0 5 10 15 20 25 30 35 40
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 18 Vin 24 Vin 36 Vin
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
50
50
40
40
Iout (A)
20 400 LFM (2.0 m/s) 10 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85
Iout (A)
30
30
20 400 LFM (2.0 m/s) 10 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (200 mV/div), Ch 2: Iout (10 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 11
Technical Specification
Input: Output: Current: Part no.:
18-36 V 12 V 18 A IQ24120HPC18
IQ24120HPC18 eLeCtRICAL CHARACteRIStICS (12.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
155 1.5 0.75 200
Max.
17.3 190 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 11.88 12 0.1 0.1 -180 11.70 0 0 19.8 90 14 21.6 6 0.5 1 12.12 0.3 0.3 180 12.30 180 30 18 23.4
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
1,500 350 100 -20 14.0 14.6 92 93 10 10 15.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 12
Technical Specification
100 95
21 18
Input: Output: Current: Part no.:
18-36 V 12 V 18 A IQ24120HPC18
Power Dissipation (W)
90
15 12 9 6 3 0 18 Vin 24 Vin 36 Vin
Efficiency (%)
85 80 75 70 65 60 0 2 4 6 8 10 12 14 16 18 18 Vin 24 Vin 36 Vin
0
2
4
6
8
10
12
14
16
18
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
21 18 15
21 18 15
Iout (A)
12 9 6 3 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
12 9 6 3 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (5 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 13
Technical Specification
Input: Output: Current: Part no.:
18-36 V 15 V 15 A IQ24150HPC15
IQ24150HPC15 eLeCtRICAL CHARACteRIStICS (15.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
140 1.5 0.85 230
Max.
17.8 180 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 14.85 15 0.1 0.1 -225 14.63 0 0 16.5 100 20 18.0 7 0.3 1.5 15.15 0.3 0.3 225 15.38 200 40 15 19.5
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
1,000 550 100 -20 17.6 18.3 92 93 10 10 19.1
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 14
Technical Specification
100 95
24 21
Input: Output: Current: Part no.:
18-36 V 15 V 15 A IQ24150HPC15
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
18 15 12 9 6 3 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
15
15
12
12
Iout (A)
9
Iout (A)
400 LFM (2.0 m/s)
9
6
6 400 LFM (2.0 m/s) 3 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
3
300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (5 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 15
Technical Specification
Input: Output: Current: Part no.:
18-36 V 24 V 9.0 A IQ24240HPC09
IQ24240HPC09 eLeCtRICAL CHARACteRIStICS (24.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
125 1.5 1.2 270
Max.
17.4 160 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 23.76 24 0.1 0.1 -360 23.40 0 0 9.9 200 40 10.8 12 0.18 2.5 24.24 0.3 0.3 360 24.60 400 80 9 11.7
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
400 700 80 -20 28.1 29.3 91 93 10 10 30.5
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 16
Technical Specification
100 95
24 21
Input: Output: Current: Part no.:
18-36 V 24 V 9.0 A IQ24240HPC09
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 9 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
18 15 12 9 6 3 0 0 1 2 3 4 5 6 7 8 9 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
10 9 8 7
10 9 8 7
Iout (A)
5 4 3 2 1 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
6
6 5 4 3 2 1 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (2 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 17
Technical Specification
Input: Output: Current: Part no.:
18-36 V 28 V 7.5 A IQ24280HPC7F
IQ24280HPC7F eLeCtRICAL CHARACteRIStICS (28.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
130 1.5 1.2 235
Max.
17.0 160 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 27.72 28 0.1 0.1 -420 27.30 0 0 8.3 120 20 9.0 13 0.16 3 28.28 0.3 0.3 420 28.70 240 40 7.5 9.8
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
250 1600 80 -20 32.8 34.2 91 93 10 10 35.6
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 18
Technical Specification
100 95
24 21
Input: Output: Current: Part no.:
18-36 V 28 V 7.5 A IQ24280HPC7F
85 80 75 70 65 60 0 1 2 3 4 5 6 7 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
18 15 12 9 6 3 0 0 1 2 3 4 5 6 7 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
8 7 6 5
8 7 6 5
Iout (A)
4 3 400 LFM (2.0 m/s) 2 1 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
4 3 400 LFM (2.0 m/s) 2 1 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 19
Technical Specification
Input: Output: Current: Part no.:
18-36 V 40 V 5.5 A IQ24400HPC5F
IQ24400HPC5F eLeCtRICAL CHARACteRIStICS (40.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
135 1.5 1.5 225
Max.
17.8 170 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 39.6 40 0.1 0.1 -600 39.00 0 0 6.1 120 17 6.6 19 0.12 4 40.4 0.3 0.3 600 41.00 240 30 5.5 7.2
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
150 2000 80 -20 46.8 48.8 91 93 10 10 50.8
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 20
Technical Specification
100 95
24 21
Input: Output: Current: Part no.:
18-36 V 40 V 5.5 A IQ24400HPC5F
85 80 75 70 65 60 0 1 2 3 4 5 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
18 15 12 9 6 3 0 0 1 2 3 4 5 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
6
6
5
5
4
4
Iout (A)
3
Iout (A)
400 LFM (2.0 m/s) 300 LFM (1.5 m/s)
3
2
2 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 1 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
1
200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.05 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 21
Technical Specification
Input: Output: Current: Part no.:
18-36 V 48 V 4.5 A IQ24480HPC4F
IQ24480HPC4F eLeCtRICAL CHARACteRIStICS (48.0 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
InPUt CHARACteRIStICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUtPUt CHARACteRIStICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection eFFICIenCY 100%Load 50%Load
Min.
typ.
140 1.5 1.8 210
Max.
17.4 180 3
Units notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
TBD 47.52 48 0.1 0.1 -720 46.80 0 0 4.95 120 15 5.40 22 0.1 5 48.48 0.3 0.3 720 49.20 240 30 4.5 5.85
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
100 2200 80 -20 56.2 58.6 91 93 10 10 61.0
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 22
Technical Specification
100 95
24 21
Input: Output: Current: Part no.:
18-36 V 48 V 4.5 A IQ24480HPC4F
85 80 75 70 65 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
90
18 15 12 9 6 3 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 18 Vin 24 Vin 36 Vin
Efficiency (%)
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
5.0 4.5 4.0 3.5
5.0 4.5 4.0 3.5
Iout (A)
2.5 2.0 1.5 1.0 0.5 0.0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
3.0
3.0 2.5 2.0 1.5 1.0 0.5 0.0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.05 A/s). Load cap: 1 F ceramic
capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-005026 Rev. B 10/14/08 Page 23
Technical Specification
IQ24-HPC Family
BASICOPERATIONANDFEATURES
This converter series uses a two-stage power conversion topology. The first stage is a buck-converter that keeps the output voltage constant over variations in line, load, and temperature. The second stage uses a transformer to provide the functions of input/output isolation and voltage step-up or step-down to achieve the output voltage required. Both the first stage and the second stage switch at a fixed frequency for predictable EMI performance. Rectification of the transformer's output is accomplished with synchronous rectifiers. These devices, which are MOSFETs with a very low on-state resistance, dissipate far less energy than Schottky diodes. This is the primary reason that the converter has such high efficiency, even at very low output voltages and very high output currents. These converters are offered totally encased to withstand harsh environmentsandthermallydemandingapplications.Dissipation throughout the converter is so low that it does not require a heatsink for operation in many applications; however, adding a heatsink provides improved thermal derating performance in extreme situations. This series of converters use the industry standard footprint and pin-out configuration.
CONTROLFEATURES
ReMOte On/OFF (Pin 2):TheON/OFFinput,Pin2,permits the user to control when the converter is on or off. This input is referenced to the return terminal of the input bus, Vin(-). TheON/OFFsignalisactivelow(meaningthatalowturnsthe converteron).FigureAdetailsfourpossiblecircuitsfordriving theON/OFFpin.FigureBisadetailedlookoftheinternalON/ OFFcircuitry. ReMOte SenSe(+) (Pins 7 and 5): The SENSE(+) inputs correct for voltage drops along the conductors that connect the converter'soutputpinstotheload. Pin 7 should be connected to Vout(+) and Pin 5 should be connectedtoVout(-)atthepointontheboardwhereregulation is desired. A remote connection at the load can adjust for a voltage drop only as large as that specified in this datasheet, that is
[Vout(+)-Vout(-)]-[Vsense(+)-Vsense(-)] <
SenseRange%xVout
Pins 7 and 5 must be connected for proper regulation of the output voltage. If these connections are not made, the converter will deliver an output voltage that is slightly higher than its specified value. Note: the output over-voltage protection circuit senses the voltage across the output (pins 8 and 4) to determine when it should trigger, not the voltage across the converter's sense leads(pins7and5).Therefore,theresistivedropontheboard should be small enough so that output OVP does not trigger, even during load transients.
ON/OFF
ON/OFF
Vin(_) RemoteEnableCircuit
Vin(_) NegativeLogic (PermanentlyEnabled) ON/OFF
TTL/ CMOS
5V 50k ON/OFF ON/OFF 50k
TTL
5V
100pF
Vin(_) OpenCollectorEnableCircuit
Vin(_) DirectLogicDrive
Vin(_)
Figure A: Various circuits for driving the ON/OFF pin.
Product # IQ24xxxHPCxx Phone 1-888-567-9596 www.synqor.com
Figure B: Internal ON/OFF pin circuitry
Doc.# 005-005026 Rev. B 10/14/08 Page 24
Technical Specification
IQ24-HPC Family
OUtPUt VOLtAGe tRIM (Pin 6):TheTRIMinputpermitsthe usertoadjusttheoutputvoltageacrossthesenseleadsupor down according to the trim range specifications. To decrease the output voltage, the user should connect a resistorbetweenPin6andPin5(SENSE(-)input).Foradesired decrease of the nominal output voltage, the value of the resistor should be
PROTECTIONFEATURES
Input Under-Voltage Lockout: The converter is designed to turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the application note titled "Input System Instability" on our website. The lockout circuitry is a comparator with dc hysteresis. Whentheinputvoltageisrising,itmustexceedthetypicalTurnOn Voltage Threshold value (listed on the specifications page) before the converter will turn on. Once the converter is on, the input voltage must fall below the typical Turn-Off Voltage Threshold value before the converter will turn off. Output Current Limit: The maximum current limit remains constant as the output voltage drops. However, once the impedance of the load across the output is small enough to make theoutputvoltagedropbelowthespecifiedOutputDCCurrentLimitShutdownVoltage,theconverterturnsoff. Theconverterthenentersa"hiccupmode"whereitrepeatedly turnsonandoffata5Hz(nominal)frequencywitha5%duty cycle until the short circuit condition is removed. This prevents excessive heating of the converter or the load board. Output Over-Voltage Limit:Ifthevoltageacrosstheoutput pinsexceedstheOutputOver-VoltageProtectionthreshold,the converter will immediately stop switching. This prevents damage totheloadcircuitdueto1)excessiveseriesresistanceinoutput current path from converter output pins to sense point, 2) a releaseofashort-circuitcondition,or3)areleaseofacurrent limit condition. Load capacitance determines exactly how high theoutputvoltagewillriseinresponsetotheseconditions.After 200mstheconverterwillautomaticallyrestart. Over-temperature Shutdown: A temperature sensor on the converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the temperature at the sensed location reaches the Over-Temperature Shutdown value. It will allow the converter to turn on again when the temperature of the sensed location fallsbytheamountoftheOver-TemperatureShutdownRestart Hysteresis value.
Rtrim-down =
where
(511)-10.22 %
(kW)
% =
Vnominal-Vdesired Vnominal
x100%
To increase the output voltage, the user should connect a resistorbetweenPin6andPin7(SENSE(+)input).Foradesired increase of the nominal output voltage, the value of the resistor should be
Rtrim-up =
where
(
5.11VOUTx (100+%)
1.225%
_ 511 _ 10.22
%
)
(kW)
Vout=NominalOutputVoltage
Trim graphs show the relationship between the trim resistor valueandRtrim-upandRtrim-down,showingthetotalrangethe output voltage can be trimmed up or down. Note:theTRIMfeaturedoesnotaffectthevoltageatwhichthe output over-voltage protection circuit is triggered. Trimming the output voltage too high may cause the over-voltage protection circuit to engage, particularly during transients. It is not necessary for the user to add capacitance at the Trim pin. The node is internally bypassed to eliminate noise. total DC Variation of VOUt: For the converter to meet its full specifications, the maximum variation of the dc value of VOUT, due to both trimming and remote load voltage drops, should not be greater than that specified for the output voltage trim range.
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 25
Technical Specification
IQ24-HPC Family
APPLICATIONCONSIDERATIONS
Input System Instability: This condition can occur because any dc-dc converter appears incrementally as a negative resistance load. A detailed application note titled "Input SystemInstability"isavailableontheSynQorwebsite which provides an understanding of why this instability arises, and shows the preferred solution for correcting it. Application Circuits: Figure D provides a typical circuit diagram which details the input filtering and voltage trimming. Input Filtering and external Capacitance: FigureE provides a diagram showing the internal input filter components. This filter dramatically reduces input terminal ripple current, which otherwise could exceed the rating of an external electrolytic input capacitor. The recommended external input capacitance is specified in the Input Characteristics section on the Electrical Characteristics page. More detailed information is available in the application note titled "EMICharacteristics"ontheSynQorwebsite. Startup Inhibit Period:TheStartupInhibitPeriodensuresthat theconverterwillremainoffforapproximately200mswhenitis shutdownforanyreason.Whenanoutputshortispresent,this generates a 5 Hz "hiccup mode," which prevents the converter from overheating. In all, there are seven ways that the converter canbeshutdown,initiatingaStartupInhibitPeriod: * InputUnder-VoltageLockout * InputOver-VoltageShutdown * OutputOver-VoltageProtection * OverTemperatureShutdown * CurrentLimit * ShortCircuitProtection * TurnedoffbytheON/OFFinput FigureFshowsthreeturn-onscenarios,whereaStartupInhibit Period is initiated at t0, t1, and t2:
Vin(+) External Input Filter
Electrolytic Capacitor
Vout(+) Vsense(+) Rtrim-up
or
Vin
ON/OFF
Trim
Vsense(_) Vin(_) Vout(_)
Rtrim-down
Cload
Iload
Figure D: Typical application circuit (negative logic unit, permanently enabled).
L
Vin(+) C Vin(_)
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 26
Technical Specification
IQ24-HPC Family
Beforetimet0,whentheinputvoltageisbelowtheUVLthreshold, theunitisdisabledbytheInputUnder-VoltageLockoutfeature. When the input voltage rises above the UVLthreshold, the Input Under-Voltage Lockout is released, and a Startup Inhibit Periodisinitiated.Attheendofthisdelay,theON/OFFpinis evaluated, and since it is active, the unit turns on. Attimet1,theunitisdisabledbytheON/OFFpin,anditcannot beenabledagainuntiltheStartupInhibitPeriodhaselapsed. When the ON/OFF pin goes high after t2, the Startup Inhibit Period has elapsed, and the output turns on within the typical Turn-OnTime. thermal Considerations: The maximum operating baseplate temperature, TB,is100C.Aslongastheuser'sthermal system keeps TB < 100 C, the converter can deliver its full rated power. Apowerderatingcurvecanbecalculatedforanyheatsinkthatis attached to the base-plate of the converter. It is only necessary todeterminethethermalresistance,RTHBA, of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. This information is usually available from the heatsink vendor. The following formula can the be used to determine the maximum power the converter can dissipate for a given thermal conditionifitsbase-plateistobenohigherthan100C. 100 C-TA max Pdiss = RTHBA Thisvalueofpowerdissipationcanthenbeusedinconjunction withthedatashowninFigure2todeterminethemaximumload current(andpower)thattheconvertercandeliverinthegiven thermal condition. Forconvenience,powerderatingcurvesforanencasedconverter without a heatsink and with a typical heatsink are provided for each output voltage.
Vin
Under-Voltage LockoutTurnOnThreshold
ON/OFF
(neglogic)
ON
OFF ON
OFF
ON 9ms (typical turnontime)
Vout
(typicalstart-up inhibitperiod)
200ms
200ms
200ms
t0
t1
t2
t
Figure F: Startup Inhibit Period (turn-on time not to scale)
Product # IQ24xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 27
Technical Specification
IQ24-HPC Family
PARt nUMBeRInG SYSteM
The part numbering system for SynQor's dc-dc converters follows the format shown in the example below.
IQ 2 4 018 H P C 6 0 n R S - G 6/6RoHS Options
(seeOrderingInformation)
ORDeRInG InFORMAtIOn
The tables below show the valid model numbers and ordering optionsforconvertersinthisproductfamily.Whenordering SynQorconverters,pleaseensurethatyouusethecomplete 15characterpartnumberconsistingofthe12characterbase part number and the additional 3 characters for options. A"-G"suffixindicatestheproductis6/6RoHScompliant.
Model Number IQ24018HPC60xyz IQ24033HPC50xyz IQ24050HPC40xyz IQ24120HPC18xyz IQ24150HPC15xyz IQ24240HPC09xyz IQ24280HPC7Fxyz IQ24400HPC5Fxyz IQ24480HPC4Fxyz Continuous Input Voltage 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V Transient Input Voltage 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s Output Voltage 1.8 V 3.3 V 5.0 V 12 V 15 V 24 V 28 V 40 V 48 V Maximum Output Current 60 A 50 A 40 A 18 A 15 A 9.0 A 7.5 A 5.5 A 4.5 A
OutputCurrent ThermalDesign PerformanceLevel PackageSize OutputVoltage Input Voltage ProductFamily
Thefirst12characterscomprisethebasepartnumberand the last 3 characters indicate available options. The "-G" suffixindicates6/6RoHScompliance.
The following options must be included in place of the x y z spaces in the model numbers listed above.
Options Description: x y z Enable Logic N - Negative Pin Length R - 0.180" Feature Set S - Standard
Application notes
Avarietyofapplicationnotesandtechnicalwhitepaperscan be downloaded in pdf format from our website.
RoHS Compliance:TheEUledRoHS(RestrictionofHazardous Substances) Directive bans the use of Lead, Cadmium, Hexavalent Chromium, Mercury, Polybrominated Biphenyls (PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical and Electronic Equipment. This SynQor product is 6/6 RoHS compliant. For more information please refer to SynQor's RoHSaddendumavailableatourRoHSCompliance/LeadFree Initiative web page or e-mail us at rohs@synqor.com.
Not all combinations make valid part numbers, please contact SynQor for availability.
PAtentS
SynQorholdsthefollowingpatents,oneormoreofwhich mightapplytothisproduct: 5,999,417 6,594,159 6,927,987 7,119,524 6,222,742 6,731,520 7,050,309 7,269,034 6,545,890 6,894,468 7,072,190 7,272,021 6,577,109 6,896,526 7,085,146 7,272,023
Contact SynQor for further information:

Phone: TollFree: Fax: E-mail: Web: Address:
978-849-0600 888-567-9596 978-849-0602 p ower@synqor.com www.synqor.com 155SwansonRoad Boxborough,MA01719 USA
Phone 1-888-567-9596
Warranty SynQoroffersatwo(2)yearlimitedwarranty.Completewarranty information is listed on our website or is available upon request from SynQor. Information furnished by SynQor is believed to be accurate and reliable.However,noresponsibilityisassumedbySynQorforitsuse, nor for any infringements of patents or other rights of third parties whichmayresultfromitsuse.Nolicenseisgrantedbyimplicationor otherwiseunderanypatentorpatentrightsofSynQor.
Product # IQ24xxxHPCxx
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 28

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