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 IQ36-HP Family
16-40V
Continuous Input
Technical Specification
Half-brick
DC-DC Converter
1.8-48V
Outputs
200W
Max Power
2250Vdc
Isolation
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,upto83%atfullratedloadcurrent * Deliversfullpowerwithminimalderating-noheatsinkrequired * Operatinginputvoltagerange:16-40V * FixedfrequencyswitchingprovidespredictableEMI * Nominimumloadrequirement
Mechanical Features
* IndustrystandardHalf-brickpin-outconfiguration * Size:2.386"x2.486"x0.512"(60.6x63.14x13.0mm) * 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 IQ36-HPFamilyElectricalCharacteristics . . . . . . . . . . . . . . . . . . . . . 3-4 IQ36-HPFamilyFigures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 IQ36018HPx60(1.8V,60A)CharacteristicsandFigures . . . . . . . . . 6-7 IQ36033HPx50(3.3V,50A)CharacteristicsandFigures . . . . . . . . . 8-9 IQ36050HPx36(5.0V,36A)CharacteristicsandFigures . . . . . . . 10-11 IQ36070HPx30(7.0V,30A)CharacteristicsandFigures . . . . . . . 12-13 IQ36120HPx18(12V,15A)CharacteristicsandFigures . . . . . . . . 12-13 IQ36150HPx14(15V,14A)CharacteristicsandFigures . . . . . . . . 14-15 IQ36240HPx09(24V,9.0A)CharacteristicsandFigures . . . . . . . 16-17 IQ36280HPx7F(28V,7.5A)CharacteristicsandFigures . . . . . . . 18-19 IQ36400HPx5F(40V,5.5A)CharacteristicsandFigures . . . . . . . 20-21 IQ36480HPx4F(48V,4.5A)CharacteristicsandFigures . . . . . . . 22-23 ApplicationNotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-27 OrderingInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Doc.# 005-0005231 Rev. A 05/26/09
PageNo.
Safety Features
* 2250V,30MW input-to-output isolation * UL/cUL60950-1recognized(US&Canada),basic insulation rating * TUVcertifiedtoEN60950-1 * MeetsdirectiveswhichfacilitatesCEMarkinginuser's end product * BoardandplasticcomponentsmeetUL94V-0standard * RoHScompliant(seepage30)
Product # IQ36xxxHPXxx Phone 1-888-567-9596
www.synqor.com
Page 1
IQ36-HP Family
IQ36-HPMechanicalDrawing
Technical Specification
2.486 2.00 1.400 1.000 .700 .400 [ 50,8 ] [ 35,56 ] [ 25,4 ] [ 17,78 ] [ 10,16 ]
.020 [ 63,14
0,5 ]
.243 .020 [ 6,17 0,5 ]
.512
[
+.002 -.005 +0,05 13 -0,12 OVERALL HEIGHT
]
.163 [ 4,14 ]
8
2.386 .020 [ 60,6 0,5 ] 1.90 [ 48,3 ]
7
6
5
4
.243 .020 [ 6,17 0,5 ]
TOP VIEW
1.90 [ 48,3 ]
SIDE VIEW
.233 .020 [ 5,92 0,5 ]
1
2
3
.543 .400 1.400
.020 [ 13,79 0,5 ]
[ 10,16 ] [ 35,56 ]
THRU HOLE M3 (SEE NOTE 8) STANDOFFS (4)
.027
[
+.007 -.010 +0,17 0,69 -0,25
]
BOTTOMSIDE CLEARANCE
NOTES
1) 2) 3) 4) 5) 6) 7) 8) 9)
PIN DESIGNATIONS
Pin 1 2 3 4 5 6 7 8 Notes: 1) 2) 3) SENSE(-)shouldbeconnectedtoVout(-)either remotely or at the converter. LeaveTRIMpinopenfornominaloutputvoltage. SENSE(+)shouldbeconnectedtoVout(+) either remotely or at the converter.
Doc.# 005-0005231 Rev. A 05/26/09 Page 2
Appliedtorqueperscrewshouldnotexceed6in-lb.(0.7Nm). Baseplateflatnesstoleranceis0.004"(.10mm)TIRforsurface. Pins1-3,5-7are0.040"(1.02mm)diameter,with0.080" (2.03mm)diameterstandoffshoulders. Pins4and8are0.080"(2.03mm)dia.with0.125"(3.18mm)dia. standoff shoulders AllPins:Material:CopperAlloy Finish:MatteTinoverNickelplate UndimensionedComponentsareshownforvisualreferenceonly Weight:4.9oz(142g) ThreadedorNon-Threadedoptionsavailable Alldimensionsininches(mm)Tolerances: x.xx+/-0.02in.(x.x+/-0.5mm) x.xxx+/-0.010in.(x.xx+/-0.25mm)
Name Vin(+) ON/OFF Vin(-) Vout(-) SENSE(-) TRIM SENSE(+) Vout(+)
Function Positive input voltage TTLinputtoturnconverteron andoff,referencedtoVin(-),with internal pull up. Negativeinputvoltage Negativeoutputvoltage Negativeremotesense1 Positive remote sense3 Positive output voltage Outputvoltagetrim2
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
IQ36-HP Family
IQ36 FAMILY ELECTRICAL CHARACTERISTICS (all output voltages)
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Technical Specification
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
V V V Vdc Vdc Vdc C C V V Continuous Continuous 1stransient,squarewave
ABSOLUTE MAXIMUM RATINGS InputVoltage Non-Operating 60 Operating 40 OperatingTransientProtection 50 IsolationVoltage InputtoOutput 2250 InputtoBase-Plate 2250 OutputtoBase-Plate 2250 OperatingTemperature -40 100 StorageTemperature -55 125 VoltageatON/OFFinputpin -2 18 INPUT CHARACTERISTICS OperatingInputVoltageRange 16 28 40 InputUnder-VoltageLockout Turn-OnVoltageThreshold 16.6 17.0 17.4 Turn-OffVoltageThreshold 13.8 14.1 14.4 LockoutVoltageHysteresis 2.9 InputOver-VoltageShutdown 77 80 RecommendedExternalInputCapacitance 470 InputFilterComponentValues(L\C) 1.1\13.2 DYNAMIC CHARACTERISTICS Turn-OnTransient Turn-OnTime 10 Start-UpInhibitTime 200 230 250 OutputVoltageOvershoot 0 ISOLATION CHARACTERISTICS IsolationVoltage(dielectricstrength) IsolationResistance 30 IsolationCapacitance(inputtooutput) 1000 TEMPERATURE LIMITS FOR POWER DERATING CURVES SemiconductorJunctionTemperature 125 BoardTemperature 125 Transformer Temperature 125 MaximumBaseplateTemperature,Tb 100 FEATURE CHARACTERISTICS SwitchingFrequency 255 275 295 ON/OFFControl Off-StateVoltage 2.4 1.8 On-StateVoltage -2 0.8 ON/OFFControl Pull-UpVoltage 5 Pull-UpResistance 50 Over-TemperatureShutdownOTPTripPoint 125 Over-TemperatureShutdownRestartHysteresis 10 RELIABILITY CHARACTERISTICS CalculatedMTBF(Telcordia)TR-NWT-000332 TBD CalculatedMTBF(MIL-217)MIL-HDBK-217F TBD FieldDemonstratedMTBF Note1:Start-upguaranteedabove10.4V,butwilloperatedownto9V Note2:Highervaluesofisolationcapacitancecanbeaddedexternaltothemodule.
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Baseplatetemperature
50Vtransientfor1s;seeNote1
V V V V F TypicalESR0.1-0.2 H\F Internalvalues;seeFigureE
ms ms %
Fullload,Vout=90%nom. -40Cto+125C;FigureF MaximumOutputCapacitance SeeAbsoluteMaximumRatings
M pF C C C C kHz V
SeeNote2 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
Doc.# 005-0005231 Rev. A
05/26/09
Page 3
IQ36-HP Family
IQ36-HP Standards Compliance & Qualification Testing
STANDARDSCOMPLIANCE
Parameter
STANDARDSCOMPLIANCE UL/cUL60950-1 EN60950-1 NeedleFlameTest(IEC695-2-2) IEC61000-4-2
Technical Specification
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 15pins
TestConditions
95%ratedVinandload,unitsatderatingpoint,1000hours 10-55Hzsweep,0.060"totalexcursion,1min./sweep,120sweepsfor3axis 100gminimum,2dropsinxandyaxis,1dropinzaxis -40Cto100C,unittemp.ramp15C/min.,500cycles Toperating=mintomax,Vin=mintomax,fullload,100cycles Tmin-10CtoTmax+10C,5Csteps,Vin=mintomax,0-105%load 85C,85%RH,1000hours,continuousVinappliedexcept5min/day MIL-STD-883,method2003
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 4
IQ36-HP Family
IQ36 FAMILY FIGURES (all output voltages)
120
Technical Specification
Nominal Vout
Output Voltage (%)
Typical Current Limit Inception Point 100 80 Typical Output Voltage at Shutdown 60 40 Vin min 20 0 0 10 20 30 40 50 Vin nom Vin max
5.00
Load Current (% )
60
70
80
90 100 110 120 130 140 150
Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/OFF Pin on Ch 2.
100,000.0
Common Figure 2: Output voltage vs. load current showing typical current limit curves and converter shutdown points.
100,000.0
Trim Resistance (kOhms)
Trim Resistance (kOhms)
10,000.0
1.8 V
3.3 V
5V
12 V
10,000.0
15 V
24 V
28 V
40 V
48 V
1,000.0
1,000.0
100.0
10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Increase in Vout (%)
100.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Increase in Vout (%)
Common Figure 3: Trim graph for trim-up 1.8 to 12 V outputs.
10,000.0
Common Figure 4: Trim graph for trim-up 15 to 48 V outputs.
All voltages
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 (%)
Common Figure 5: Trim graph for trim down.
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005231 Rev. A 05/26/09 Page 5
Technical Specification
Input: Output: Current: Part No.:
18-75 V 1.8 V 60 A IQ36018HPx60
IQ36018HPx60 ELECTRICAL CHARACTERISTICS (1.8 Vout)
Parameter Min. Typ. Max.
10.7 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 1.782 1.8 0.1 0.1 -27 1.755 0 0 66.0 90 40 72.0 0.9 1.1 0.093 1.818 0.3 0.3 27 1.845 180 80 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;seeNote2 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) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 6
Technical Specification
100 95
28 26 24 22
Input: Output: Current: Part No.:
18-75 V 1.8 V 60 A IQ36018HPx60
Power Dissipation (W)
90
20 18 16 14 12 10 8 6 4 2 0 18 Vin 36 Vin 75 Vin 0 5 10 15 20 25 30 35 40 45 50 55 60
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 45 50 55 60 18 Vin 36 Vin 75 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.
70 60 50
60 50 40
Iout (A)
30 20 10 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)
40
30 20 10 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 = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (100 mV/div), Ch 2: Iout (20 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 7
Technical Specification
Input: Output: Current: Part No.:
18-75 V 3.3 V 50 A IQ36033HPx50
IQ36033HPx50 ELECTRICAL CHARACTERISTICS (3.3 Vout)
Parameter Min. Typ. Max.
19.7 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 3.267 3.3 0.1 0.1 -50 3.218 0 0 66.0 90 40 72.0 0.9 1.1 0.093 3.333 0.3 0.3 50 3.383 180 80 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;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 3.9 4.0 83 87 10 10 4.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 8
Technical Specification
100 95
28 26 24 22
Input: Output: Current: Part No.:
18-75 V 3.3 V 50 A IQ36033HPx50
Power Dissipation (W)
90
20 18 16 14 12 10 8 6 4 2 0 18 Vin 36 Vin 75 Vin 0 5 10 15 20 25 30 35 40 45 50
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 45 50 18 Vin 36 Vin 75 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 50 40
60 50 40
Iout (A)
30 20 10 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)
30 20 10 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 = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (100 mV/div), Ch 2: Iout (20 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (500 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 9
Technical Specification
Input: Output: Current: Part No.:
18-75 V 5.0V 36 A IQ36050HPx36
IQ36050HPx36 ELECTRICAL CHARACTERISTICS (5.0 Vout)
Parameter Min. Typ. Max.
29.8 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 4.95 5 0.1 0.1 -75 4.875 0 0 66.0 90 40 72.0 0.9 1.1 0.093 5.05 0.3 0.3 75 5.125 180 80 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;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 5.9 6.1 83 87 10 10 6.4
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 10
Technical Specification
100 95
34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 0 4 8
Input: Output: Current: Part No.:
18-75 V 5.0V 36 A IQ36050HPx36
Efficiency (%)
85 80 75 70 65 60 0 4 8 12 16 20 24 28 32 36 40 18 Vin 36 Vin 75 Vin
Power Dissipation (W)
90
18 Vin 36 Vin 75 Vin 12 16 20 24 28 32 36 40
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.
45 40 35 30
40 35 30 25
Iout (A)
25 20 15 10 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)
20 15 10 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 = 0.1 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 # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (500 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 11
Technical Specification
Input: Output: Current: Part No.:
18-75 V 7.0 V 30 A IQ36070HPx30
IQ36070HPx ELECTRICAL CHARACTERISTICS (7.0 Vout)
Parameter Min. Typ. Max.
41.7 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 6.93 7 0.1 0.1 -105 6.825 0 0 66.0 90 40 72.0 0.9 1.1 0.093 7.07 0.3 0.3 105 7.175 180 80 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;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 8.2 8.5 83 87 10 10 8.9
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 12
Technical Specification
100 95
30 25
Input: Output: Current: Part No.:
18-75 V 7.0 V 30 A IQ36070HPx30
Power Dissipation (W)
90
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 18 Vin 36 Vin 75 Vin
20 15 10 5 0 0 5 10 15 20 25 30 18 Vin 36 Vin 75 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.
35 30 25
35 30 25
Iout (A)
15 10 5 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)
20
20 15 10 5 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 (200 mV/div), Ch 2: Iout (10 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (50 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 13
Technical Specification
Input: Output: Current: Part No.:
18-75 V 12 V 15 A IQ36120HPx15
IQ36120HPx15 ELECTRICAL CHARACTERISTICS (12 Vout)
Parameter Min. Typ. Max.
71.6 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 11.88 12 0.1 0.1 -180 11.700 0 0 66.0 90 40 72.0 0.9 1.1 0.093 12.12 0.3 0.3 180 12.300 180 80 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;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 14.0 14.6 83 87 10 10 15.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 14
Technical Specification
100 95
26 24 22 20
Input: Output: Current: Part No.:
18-75 V 12 V 18 A IQ36120HPx18
Power Dissipation (W)
90
18 16 14 12 10 8 6 4 2 0 18 Vin 36 Vin 75 Vin 0 2 4 6 8 10 12 14 16 18
Efficiency (%)
85 80 75 70 65 60 0 2 4 6 8 10 12 14 16 18 18 Vin 36 Vin 75 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.
20 18 16 14
20 18 16 14
Iout (A)
10 8 6 4 2 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)
12
12 10 8 6 4 2 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 = 0.1 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 # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 15
Technical Specification
Input: Output: Current: Part No.:
18-75 V 15 V 14 A IQ36150HPx14
IQ36150HPx12 ELECTRICAL CHARACTERISTICS (15 Vout)
Parameter Min. Typ. Max.
89.5 100 4 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
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
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
80 1.8 0.15 170
TBD 14.85 15 0.1 0.1 -225 14.625 0 0 66.0 90 40 72.0 0.9 1.1 0.093 15.15 0.3 0.3 225 15.375 180 80 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;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 17.6 18.3 83 87 10 10 19.1
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 16
Technical Specification
100 95
26 24 22 20
Input: Output: Current: Part No.:
18-75 V 15 V 14 A IQ36150HPx14
Power Dissipation (W)
90
18 16 14 12 10 8 6 4 2 0 18 Vin 36 Vin 75 Vin 0 2 4 6 8 10 12 14
Efficiency (%)
85 80 75 70 65 60 0 2 4 6 8 10 12 14 18 Vin 36 Vin 75 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.
16 14 12 10
16 14 12 10
Iout (A)
8 6 4 2 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)
8 6 4 2 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 = 0.1 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 # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 17
Technical Specification
Input: Output: Current: Part No.:
18-75 V 24 V 9A IQ36240HPx09
IQ36240HPx7F ELECTRICAL CHARACTERISTICS (24 Vout)
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
INPUT CHARACTERISTICS MaximumInputCurrent 143.1 A Vinmin;trimup;incurrentlimit No-LoadInputCurrent 80 100 mA DisabledInputCurrent 1.8 4 mA ResponsetoInputTransient 0.15 V SeeFigure6 InputTerminalRippleCurrent 170 mA RMS RecommendedInputFuse TBD A Fastactingexternalfuserecommended OUTPUT CHARACTERISTICS OutputVoltageSetPoint 23.76 24 24.24 V OutputVoltageRegulation OverLine 0.1 0.3 % OverLoad 0.1 0.3 % OverTemperature -360 360 mV TotalOutputVoltageRange 23.40 24.60 V Oversample,line,load,temperature&life OutputVoltageRippleandNoise 20MHzbandwidth;seeNote1 Peak-to-Peak 0 90 180 mV Fullload RMS 40 80 mV Fullload A OperatingOutputCurrentRange 0 60 Subjecttothermalderating OutputDCCurrent-LimitInception 66.0 72.0 78.0 A Outputvoltage10%Low OutputDCCurrent-LimitShutdownVoltage 0.9 V Back-DriveCurrentLimitwhileEnabled 1.1 A Negativecurrentdrawnfromoutput Back-DriveCurrentLimitwhileDisabled 0.093 mA Negativecurrentdrawnfromoutput MaximumOutputCapacitance 15,000 F Voutnominalatfullload(resistiveload) OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) 75 mV 50%to75%to50%Ioutmax SettlingTime 500 s Towithin1%Voutnom OutputVoltageTrimRange -20 10 % AcrossPins8&4;CommonFigures3-5;seeNote2 OutputVoltageRemoteSenseRange 10 % AcrossPins8&4 OutputOver-VoltageProtection 28.1 29.3 30.5 V Overfulltemprange EFFICIENCY 100%Load 83 % SeeFigure1forefficiencycurve 50%Load 87 % SeeFigure1forefficiencycurve Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 18
Technical Specification
100 95
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0
Input: Output: Current: Part No.:
18-75 V 24 V 9A IQ36240HPx09
Efficiency (%)
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 9 18 Vin 36 Vin 75 Vin
Power Dissipation (W)
90
18 Vin 36 Vin 75 Vin 0 1 2 3 4 5 6 7 8 9
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 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 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 capacitor. Ch 1: Vout
(1 V/div), Ch 2: Iout (2 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 19
Technical Specification
Input: Output: Current: Part No.:
18-75 V 28 V 7.5 A IQ36280HPx7F
IQ36280HPx6F ELECTRICAL CHARACTERISTICS (28 Vout)
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
INPUT CHARACTERISTICS MaximumInputCurrent 167.0 A Vinmin;trimup;incurrentlimit No-LoadInputCurrent 80 100 mA DisabledInputCurrent 1.8 4 mA ResponsetoInputTransient 0.15 V SeeFigure6 InputTerminalRippleCurrent 170 mA RMS RecommendedInputFuse TBD A Fastactingexternalfuserecommended OUTPUT CHARACTERISTICS OutputVoltageSetPoint 27.72 28 28.28 V OutputVoltageRegulation OverLine 0.1 0.3 % OverLoad 0.1 0.3 % OverTemperature -420 420 mV TotalOutputVoltageRange 27.30 28.70 V Oversample,line,load,temperature&life OutputVoltageRippleandNoise 20MHzbandwidth;seeNote1 Peak-to-Peak 0 90 180 mV Fullload RMS 40 80 mV Fullload A OperatingOutputCurrentRange 0 60 Subjecttothermalderating OutputDCCurrent-LimitInception 66.0 72.0 78.0 A Outputvoltage10%Low OutputDCCurrent-LimitShutdownVoltage 0.9 V Back-DriveCurrentLimitwhileEnabled 1.1 A Negativecurrentdrawnfromoutput Back-DriveCurrentLimitwhileDisabled 0.093 mA Negativecurrentdrawnfromoutput MaximumOutputCapacitance 15,000 F Voutnominalatfullload(resistiveload) OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) 75 mV 50%to75%to50%Ioutmax SettlingTime 500 s Towithin1%Voutnom OutputVoltageTrimRange -20 10 % AcrossPins8&4;CommonFigures3-5;seeNote2 OutputVoltageRemoteSenseRange 10 % AcrossPins8&4 OutputOver-VoltageProtection 32.8 34.2 35.6 V Overfulltemprange EFFICIENCY 100%Load 83 % SeeFigure1forefficiencycurve 50%Load 87 % SeeFigure1forefficiencycurve Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 20
Technical Specification
100 95
28 26 24 22
Input: Output: Current: Part No.:
18-75 V 28 V 7.5 A IQ36280HPx7F
Power Dissipation (W)
90
20 18 16 14 12 10 8 6 4 2 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 18 Vin 36 Vin 75 Vin 7.0
Efficiency (%)
85 80 75 70 65 60 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 18 Vin 36 Vin 75 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.
8 7 6 5
8 7 6 5
Iout (A)
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)
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 capacitor. Ch 1: Vout
(2 V/div), Ch 2: Iout (2 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 21
Technical Specification
Input: Output: Current: Part No.:
18-75 V 40 V 5.5 A IQ36400HPx5F
IQ36400HPx4FELECTRICALCHARACTERISTICS(40Vout)
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;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.
238.6
Units Notes & Conditions
A mA mA V mA SeeFigure6 RMS Fastactingexternalfuserecommended Vinmin;trimup;incurrentlimit
80 1.8 0.15 170
100 4
TBD
A
39.6
40
40.4
V
0.1 0.1 -600 39.00
0.3 0.3 600 41.00
% % mV V Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1
0
90 40
180 80 60
mV mV A A V A mA
Fullload Fullload Subjecttothermalderating Outputvoltage10%Low
0 66.0 72.0 0.9 1.1 0.093
78.0
Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload)
15,000
F
75 500 -20 10 10 46.8 48.8 50.8
mV s % % V
50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange
83 87
% %
SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 22
Technical Specification
100 95
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0
Input: Output: Current: Part No.:
18-75 V 40 V 5.5 A IQ36400HPx5F
Efficiency (%)
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 5.0 5.5 18 Vin 36 Vin 75 Vin
Power Dissipation (W)
90
18 Vin 36 Vin 75 Vin 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
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.
6.0 5.5 5.0 4.5 4.0 3.5 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)
6.0 5.5 5.0 4.5 4.0 3.5 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)
Iout (A)
Ambient Air Temperature (C)
Iout (A)
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 A/div).
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 23
Technical Specification
Input: Output: Current: Part No.:
18-75 V 48 V 4.5 A IQ36480HPx4F
IQ36480HPx3HELECTRICALCHARACTERISTICS(48Vout)
Ta=25C,airflowrate=300LFM,Vin=36Vdcunlessotherwisenoted;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.
286.3
Units Notes & Conditions
A mA mA V mA SeeFigure6 RMS Fastactingexternalfuserecommended Vinmin;trimup;incurrentlimit
80 1.8 0.15 170
100 4
TBD
A
47.52
48
48.48
V
0.1 0.1 -720 46.80
0.3 0.3 720 49.20
% % mV V Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1
0
90 40
180 80 60
mV mV A A V A mA
Fullload Fullload Subjecttothermalderating Outputvoltage10%Low
0 66.0 72.0 0.9 1.1 0.093
78.0
Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload)
15,000
F
75 500 -20 10 10 56.2 58.6 61.0
mV s % % V
50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange
83 87
% %
SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ36xxxHPXxx
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Doc.# 005-0005231 Rev. A
05/26/09
Page 24
Technical Specification
100 95
28 26 24 22
Input: Output: Current: Part No.:
18-75 V 48 V 4.5 A IQ36480HPx4F
Power Dissipation (W)
90
20 18 16 14 12 10 8 6 4 2 0 18 Vin 36 Vin 75 Vin 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Efficiency (%)
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 36 Vin 75 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.
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 = 0.1 A/s). Load cap: 1 F ceramic capacitor.
Ch 1: Vout (2 V/div), Ch 2: Iout (2 A/div).
Product # IQ36xxxHPXxx
Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005231 Rev. A 05/26/09 Page 25
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IQ36-HP 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.
ON/OFF ON/OFF
Technical Specification
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.
Vin(_) Remote Enable Circuit
Vin(_) Negative Logic (Permanently Enabled) ON/OFF
TTL/ CMOS
5V
5V ON/OFF
50k ON/OFF 50k
TTL
Vin(_) Open Collector Enable Circuit
Vin(_) Direct Logic Drive
Figure A: Various circuits for driving the ON/OFF pin.
100pF
Vin(_)
Figure B: Internal ON/OFF pin circuitry
Product # IQ36xxxHPXxx
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Doc.# 005-0005231 Rev. A
05/26/09
Page 26
IQ36-HP 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
Technical Specification
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. When the input voltage is rising, it must exceed the typical TurnOn 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 # IQ36xxxHPXxx
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Doc.# 005-0005231 Rev. A
05/26/09
Page 27
IQ36-HP Family
APPLICATIONCONSIDERATIONS
Technical Specification
Input System Instability: This condition can occur because Application Circuits:FigureCprovidesatypicalcircuitdiagram any dc-dc converter appears incrementally as a negative which details the input filtering and voltage trimming. resistanceload.Adetailedapplicationnotetitled"InputSystem Instability"isavailableontheSynQorwebsite which provides an understanding of why this instability arises, and shows the preferred solution for correcting it.
Vin(+) External Input Filter
Electrolytic Capacitor
Vout(+) Vsense(+) Rtrim-up
or
Vin
ON/OFF
Trim
Vsense(_) Vin(_) Vout(_)
Rtrim-down
Cload
Iload
Figure C: Typical application circuit (negative logic unit, permanently enabled).
Input Filtering and External Capacitance: FigureD 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.Moredetailedinformationisavailableintheapplicationnote titled "EMICharacteristics"ontheSynQorwebsite.
L
Vin(+) C Vin(_)
Figure D: Internal Input Filter Diagram (component values listed on the specifications page).
Product # IQ36xxxHPXxx
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Doc.# 005-0005231 Rev. A
05/26/09
Page 28
IQ36-HP Family
Startup Inhibit Period:TheStartupInhibitPeriodensuresthat theconverterwillremainoffforapproximately200mswhenitis shut down for any reason. When an output short is present, 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 FigureEshowsthreeturn-onscenarios,whereaStartupInhibit Period is initiated at t0, t1, and t2: Beforetimet0,whentheinputvoltageisbelowtheUVLthreshold, theunitisdisabledbytheInputUnder-VoltageLockoutfeature. WhentheinputvoltagerisesabovetheUVLthreshold,theInput Under-VoltageLockoutisreleased,andaStartupInhibitPeriodis initiated.Attheendofthisdelay,theON/OFFpinisevaluated, and since it is active, the unit turns on.
Technical Specification
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 base-plate temperature, TB,is100C.Aslongastheuser'sthermalsystem keeps TB <100C,theconvertercandeliveritsfullratedpower. 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 (and power) that the converter can deliver in the given thermal condition.
Forconvenience,powerderatingcurvesforanencasedconverter Attimet1,theunitisdisabledbytheON/OFFpin,anditcannot without a heatsink and with a typical heatsink are provided for each output voltage. beenabledagainuntiltheStartupInhibitPeriodhaselapsed.
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 E: Startup Inhibit Period (turn-on time not to scale)
Product # IQ36xxxHPXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005231 Rev. A 05/26/09 Page 29
IQ36-HP Family
PART NUMBERING SYSTEM
The part numbering system for SynQor's dc-dc converters follows the format shown in the example below.
IQ 36 120 H P C 18 N R S - G 6/6 RoHS Options Output Current Thermal Design Performance Level Package Size Output Voltage Input Voltage Product Family
(see Ordering Information)
Technical Specification
ORDERING INFORMATION
The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQorconverters,pleaseensurethatyouusethecomplete 15 character part number consisting of the 12 character base part number and the additional characters for options. Add"-G"tothemodelnumberfor6/6RoHScompliance.
Model Number IQ36018HPw60NRS IQ36033HPw50NRS IQ36050HPw40NRS IQ36070HPw30NRS IQ36120HPw18NRS IQ36150HPw14NRS IQ36240HPw09NRS IQ36280HPw7FNRS IQ36400HPw5FNRS IQ36480HPw4FNRS) Continuous Input Voltage 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V 18-75 V Output Voltage 1.8 V 3.3 V 5.0 V 7.0 V 12 V 15 V 24 V 28 V 40 V 48 V Maximum Output Current 60 A 50 A 40 A 30 A 18 A 14 A 9.0 A 7.5 A 5.5 A 4.5 A
The first 12 characters comprise the base part number and the last 3 characters indicate available options. The "-G" suffixindicates6/6RoHScompliance.
The following options must be included in place of the w x y z spaces in the model numbers listed above.
Options Description: w x y z Thermal Design C - Encased with Threaded Baseplate D - Encased with Non-Threaded Baseplate Enable Logic N - Negative Pin Style R - 0.180" Feature Set S - Standard
Application Notes
Avarietyofapplicationnotesandtechnicalwhitepaperscan be downloaded in pdf format from our website.
RoHS Compliance:TheEUledRoHS(RestrictionofHazardous Substances)DirectivebanstheuseofLead,Cadmium,Hexavalent Chromium, Mercury, Polybrominated Biphenyls (PBB), and PolybrominatedDiphenylEther(PBDE)inElectricalandElectronic Equipment. This SynQor product is 6/6 RoHS compliant. For more information please refer to SynQor's RoHS addendum available at our RoHS Compliance / Lead Free Initiative web page or e-mail us at rohs@synqor.com.
Not all combinations make valid part numbers, please contact SynQorforavailability. SeetheProduct Summarywebpage for more options.
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 power@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. InformationfurnishedbySynQorisbelievedtobeaccurateandreliable. However,noresponsibilityisassumedbySynQorforitsuse,norforany infringements of patents or other rights of third parties which may result fromitsuse.Nolicenseisgrantedbyimplicationorotherwiseunderany patentorpatentrightsofSynQor.
Product # IQ36xxxHPXxx
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Doc.# 005-0005231 Rev. A
05/26/09
Page 30


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