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Technical Specification
NQ15W50SGA30
6.0-15.0V Input 0.8-5.0V Outputs 30 Amp Current Non Isolated SMT
Surface Mount
The NiQor(R) SMT DC/DC converter is a non-isolated buck regulator, which employs synchronous rectification to achieve extremely high conversion efficiency. The NiQor family of converters are used predominately in DPA systems using a front end DC/DC high power brick (48Vin to low voltage bus). The non-isolated NiQor converters are then used at the point of load to create the low voltage outputs required by the design. The wide trim module can be programmed to a variety of output voltages through the use of a single external resistor. RoHS compliant see last page.
Operational Features
* Ultrahighefficiency,upto93%atfullratedload * Deliversupto30Ampsofoutputcurrentwithminimal derating - no heatsink required * InputVoltageRange:6.0-15.0V * Fasttransientresponsetime * On-boardinputandoutputfiltercapacitor * Nominimumloadrequirementmeansnopreload resistors required
Non-Isolated
NiQor surface mount module
Protection Features
* Inputunder-voltagelockoutdisablesconverteratlow input voltage conditions * Temperaturecompensatedover-currentshutdown protects converter from excessive load current or short circuits *Outputover-voltageprotectionprotectsloadfrom damaging voltages * Thermalshutdownprotectsconverterfromabnormal environmental conditions
Mechanical Features
* DOSAstandardSMTpin-outconfiguration
*Industrystandardsize:1.3"x0.53"x0.32"(33x 13.5x8.12mm) *Totalweight:0.18oz.(5grams), lower mass greatly reduces vibration and shock problems *Openframeconstructionmaximizesairflowcooling *AlsoavailableinSIPpackaging
Safety Features
* UL/cUL60950-1recognized(US&Canada) * TUVcertifiedtoEN60950-1 * Meets72/23/EECand93/68/EECdirectiveswhich facilitatesCEMarkinginuser'sendproduct * BoardandplasticcomponentsmeetUL94V-0 flammability requirements
Control Features
* On/Offcontrol * Outputvoltagetrim(industrystandard)permitscustom voltages and voltage margining * RemoteSense(standardoption) * ActiveCurrentSharingforParallelApplications
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 1
Technical Specification
MECHANICALDIAGRAM
Surface Mount Package
1.30 0.063
(1,6)
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
Typ.
(33,0)
0.320+.006 0.100
(2,54) (8,12+0,15)
See Note 4
0.089
(2,26)
3 9 2
4
0.080 x 0.063"
(2.0 x 1,6)
5
6
7
8
0.120
0.53
(13,5)
10
(3,05)
0.407
(10,33)
0.075
(1,91)
1
0.048 0.107 0.297 0.487 0.677 0.867 1.057
(26,85) (22,02) (17,20) (12,37) (7,54) (2,72) (1,22)
0.063
(1,6)
0.025
(0,64)
0.014+.009
(0,36+0,22)
Bottomside Clearance
Side View
1.196
(30,38)
1.177
(29,90)
Bottom View
Recommended SMT Pad Size: Minimum:0.074"x0.122"(1.88mmx3.1mm) Maximum:0.095"x0.140"(2.41mmx3.56mm)
NOTES
1)SMTContacts:Material-Brass Finish-GoldoverNickelplate 2)Undimensionedcomponentsareshownforvisual reference only. 3)Alldimensionsininches(mm) Tolerances:x.xx+/-0.02in.(x.x+/-0.5mm) x.xxx+/-0.010in.(x.xx+/-0.25mm) 4)Coplanarityforpins1-10is0.004"max 5)Weight:0.18oz.(5g)typical 6)Workmanship:MeetsorexceedsIPC-A-610CClassII
SMTCONTACTDESIGNATIONS
Pin No. Name Function

1 2 3 4 5 6 7 8 9 10
ON/OFF Vin(+) N/C GND Vout(+) TRIM SENSE(+) IShare GND GND
Inputtoturnconverteron/off Positiveinputvoltage NoConnection Ground Positiveoutputvoltage OutputVoltageTrim Positiveremotesense Currentshare Ground Ground
Pins in Italics Shaded text are Optional
Product # NQ15W50SGA30 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2NS163E Rev. C 10/03/08 Page 2
Technical Specification
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
ELECTRICALCHARACTERISTICS-NQ15W50SGA30Series
Parameter
ABSOLUTE MAXIMUM RATINGS InputVoltage Non-Operating Operating OperatingTemperature StorageTemperature VoltageatON/OFFinputpin RECOMMENDED OPERATING CONDITIONS InputVoltageRange InputFuseRating ExternalInputCapacitance OutputVoltage OutputCurrent INPUT CHARACTERISTICS InputUnder-VoltageLockout Turn-OnVoltageThreshold Turn-OffVoltageThreshold LockoutHysteresis MaximumInputCurrent " " No-LoadInputCurrent " " DisabledInputCurrent InrushCurrentTransientRating InputFilterCapacitorValue InputReflected-RippleCurrent " " OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRange OperatingOutputCurrentRange OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise(pk-pk\RMS) " " OutputDCOverCurrentShutdown ExternalOutputCapacitance DYNAMIC CHARACTERISTICS InputVoltageRippleRejection OutputVoltageduringCurrentTransient ForaStepChangeinOutputCurrent(0.1A/s) ForaStepChangeinOutputCurrent(3A/s) SettlingTime Turn on Transient InhibitTime Rise Time OutputVoltageOvershoot EFFICIENCY 100%Load " " 50%Load " "
TA=25C,airflowrate=300LFM,Vin=12Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+105Cambienttemperature with appropriate power derating. Specificationssubjecttochangewithoutnotice. Module
All All All All All All All All All All All All All 1.8V 3.3V 5.0V 1.8V 3.3V 5.0V All All All 1.0V 2.5V 5.0V 0.8V All All All All All All 1.0V 2.5V 5.0V All All All All All All All All All 1.8V 3.3V 5.0V 1.8V 3.3V 5.0V
Min.
0 -40 -55 -3 6 100 0.8 0 5.20 4.60 0.790 0.8 0 33 100 2 4
Typ.
5.60 5.00 0.6 102 156 232 3 20 36 68 98 0.800 27\5.0 43\11.6 67\20.4 40 50 250 250 100 85.0 90.0 93.0 86.0 91.0 93.0
Max.
16 15 105 125 15 15 40 5.0 30 6.00 5.40 6.0 18.0 28.0 0.1 0.810 5.5 30 0.5 0.6 1 3 47 10,000 4 8 0
Units
V V C C V V A F V A V V V A A A mA mA mA mA A2s F mA mA mA V V A % % % % mV mV mV A F dB mV mV s ms ms V % % % % % %
Notes & Conditions
Continuous Continuous
Fastblowexternalfuserecommended ESR<1.5W
6Vin,100%load " " 12Vin,100%load " " Withmin.outputcapacitance 12Vin,100%load,pk-pkvalue " " 12Vin50%load SetoutputbyRtrim-up Withsensepin " " Withsensepin,oversample,line,load,temp.&life Fullload;20MHzbandwidth " " >1mW 120Hz 50%-75%-50%Ioutmax;100uF 50%-75%-50%Ioutmax;470uF Towithin1.5%Voutnom. Resistiveload " "
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 3
Technical Specification
Parameter
Module
All All All All All All All All All All All All All All All All All All
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
ELECTRICALCHARACTERISTICS(continued)-NQ15W50SGA30Series
TEMP LIMITS FOR POWER DERATING SemiconductorJunctionTemperature BoardTemperature FEATURE CHARACTERISTICS SwitchingFrequency ON/OFFControl NegativeLogic(N)ON/OFFControl Off-StateVoltage On-StateVoltage Pull-UpVoltage Pull-UpResistance PositiveLogic(P)ON/OFFControl LogicLowVoltageRange LogicHighVoltageRange(internalpullup) LogicLowSinkCurrent LogicHighSinkCurrent(leakage) OutputVoltageTrimRange OutputOver-VoltageProtection Over-TemperatureShutdown Over-TemperatureShutdownRestartHysteresis RELIABILITY CHARACTERISTICS CalculatedMTBF(Telcordia) CalculatedMTBF(MIL-217) FieldDemonstratedMTBF
Min.
330 1.5 -3.0 -0.2 2.2 0.75 5.6
Typ.
360 Vin 49.9 0.7 6.0 128 10 14.0 10.8
Max.
125 125 390 6.5 0.6 1.0 10 5.5 6.4
Units
C C kHz V V V kW V V mA A V V C C
Notes & Conditions
Packageratedto150C ULratedmaxoperatingtemp130C Halfonsmalldutycycle(e.g.16Vin;0.75Vout) SeeFigureA
Opencollector/draininput;seeFigureA Vin=15V MeasuredVout+tocommonpins Overfulltemprange AveragePCBTemperature
106 Hrs. TR-NWT-000332;100%load,200LFM,40oC Ta 106 Hrs. MIL-HDBK-217F;100%load,200LFM,40oC Ta 106 Hrs. See our website for details
STANDARDSCOMPLIANCE
Parameter P

Notes
File#E194341 CertifiedbyTUV Testonentireassembly;board&plasticcomponentsUL94V-0compliant ESDtest,8kV-NP,15kVair-NP(NormalPerformance) Section7-electricalsafety,Section9-bonding/grounding
STANDARDS COMPLIANCE
UL/cUL60950-1 EN60950-1 72/23/EEC 93/68/EEC NeedleFlameTest(IEC695-2-2) IEC61000-4-2 GR-1089-CORE Telcordia(Bellcore)GR-513
*An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new releases or download from the SynQor website.
QUALIFICATIONTESTING
Parameter P

# Units
32 5 5 10 5 5 5 15pins
Test Conditions
10-55Hzsweep,0.060"totalexcursion,1min./sweep,120sweepsfor3axis
QUALIFICATION TESTING
LifeTest Vibration MechanicalShock TemperatureCycling Power/ThermalCycling DesignMarginality Humidity Solderability
95%ratedVinandload,unitsatderatingpoint,1000hours
100gminimum,2dropsinxandyaxis,1dropinzaxis -40Cto100C,unittemp.ramp15C/min.,500cycles Toperating = min to max, Vin=mintomax,fullload,100cycles Tmin-10CtoTmax+10C,5Csteps,Vin=mintomax,0-105%load 85C,85%RH,1000hours,continuousVinappliedexcept5min./day MIL-STD-883,method2003
*ExtensivecharacterizationtestingofallSynQorproductsandmanufacturingprocessesisperformedtoensurethatwesupply
robust, reliable product. Contact the factory for official product family qualification documents.
Product # NQ15W50SGA30
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 4
Technical Specification
100 95 10 12
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
Power Dissipation (W)
90
Efficiency (%)
8
85 80 75 70 65 60 0 3 6 9 12 15 18 21 24 27 30 5.0 Vout 3.3 Vout 1.8 Vout
6
4 5.0 Vout 3.3 Vout 1.8 Vout 0 0 3 6 9 12 15 18 21 24 27 30
2
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for nominal input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for nominal input voltage at 25C.
35 30 25
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)
Semiconductor junction temperature is within 1C of surface temperature
Ambient Air Temperature (C)
Figure 3: Maximum output power derating curves with nominal output set to 1.8Vo units under various thermal conditions and nominal input voltage (P option, see ordering page).
35 30 25
Figure 4: Thermal plot of the converter with nominal Vout set to 1.8Vo at nominal Vin and 21.2 amp load current mounted on a 55C, 200 LFM, 6-Layer, 2 oz. copper board (typical installation).
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)
Semiconductor junction temperature is within 1C of surface temperature
Ambient Air Temperature (C)
Figure 5: Maximum output power derating curves with nominal output set to 3.3Vo units under various thermal conditions and nominal input voltage (P option, see ordering page).
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Figure 6: Thermal plot of the converter with nominal Vout set to 3.3Vo at nominal Vin and 18.4 amp load current mounted on a 55C, 200 LFM, 6-Layer, 2 oz. copper board (typical installation).
Doc.# 005-2NS163E Rev. C 10/03/08 Page 5
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Technical Specification
30
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
25
20
Iout (A)
15
10
400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
5
0 0 25 40 55 70 85
Semiconductor junction temperature is within 1C of surface temperature
Ambient Air Temperature (C)
Figure 7: Maximum output power derating curves with nominal output set to 5.0Vo units under various thermal conditions and nominal input voltage (P option, see ordering page).
Figure 8: Thermal plot of the converter with nominal Vout set to 5.0Vo at nominal Vin and 16.1 amp load current mounted on a 55C, 200 LFM, 6-Layer, 2 oz. copper board (typical installation).
5.0Vout
5.0Vout
3.3Vout
3.3Vout
1.8Vout
1.8Vout 0.8Vout
0.8Vout
on/off
on/off
Figure 9: Turn-on transient at full load (resistive load) (2 ms/div). Ch 1: ON/OFF input (5V/div) Ch 2-4: Vout (1V/div)
Figure 10: Turn-on transient at zero load (2 ms/div). Ch 1: ON/OFF input (5V/div) Ch 2-4: Vout (1V/div)
5.0Vout 3.3Vout 1.8Vout 0.8Vout Iout
5.0Vout 3.3Vout 1.8Vout 0.8Vout Iout
Figure 11: Output voltage response for 1.5V, 2.5V, 5V units to step-change in load current (50-75-50% of Iout max; di/dt=0.1A/s). Load cap: 100 F, 100mW ESR tant, 22 F cer. Ch 1: Iout (10A/div), Ch 2-4: Vout (100mV/div).
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Figure 12: Output voltage response for 1.5V, 2.5V, 5V units to step-change in load current (50-75-50% of Iout max; di/dt=3A/s). Load cap: 100 F, 100mW ESR tant, 22 F cer. Ch 1: Iout (10A/div), Ch 2-4: Vout (100mV/div).
Doc.# 005-2NS163E Rev. C 10/03/08 Page 6
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Technical Specification
See Fig. 14
source impedance
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
1H
See Fig. 15 See Fig. 16
5.0Vout
iS
VSOURCE
VIN
DC/DC Converter
VOUT 22F
100F 100mWESR
tantalum capacitor
3.3Vout
1.8Vout
C*
ceramic capacitor
0.8Vout
* See values for recommended external input capacitance. Inductoroptionalasneeded.
Figure 13: Test set-up diagram showing measurement points for Input Reflected Ripple Current (Figure 14), Input Terminal Ripple Voltage (Figure 15), and Output Voltage Ripple (Figure 16).
Figure 14: Input Reflected Ripple Current, is, through a 1 H source inductor at nominal input voltage and rated load current (100 mA/div). See Figure 13.
0.8Vout 5.0Vout
1.8Vout 3.3Vout
3.3Vout 1.8Vout 5.0Vout 0.8Vout
Figure 15: Input Terminal Ripple Voltage at nominal input voltage and rated load current (200 mV/div). Load capacitance: 22 F ceramic cap and 100 F tantalum cap. Bandwidth: 20 MHz. See Figure 13.
Figure 16: Output Voltage Ripple at nominal input voltage and rated load current (50 mV/div). Load capacitance: 22 F ceramic cap and 100 F tantalum cap.. Bandwidth: 20 MHz. See Figure 13.
Product # NQ15W50SGA30
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 7
Technical Specification
BASICOPERATIONANDFEATURES
The NiQor series non-isolated converter uses a buck-converter that keeps the output voltage constant over variations in line, load, and temperature. The NiQor modules employ synchronous rectification for very high efficiency. Dissipation throughout the converter is so low that it does not require a heatsink or metal baseplate for operation. The NiQor converter can thus be built more simply and reliably using high yieldsurfacemounttechniquesonasinglePCBsubstrate. The NiQorseriesofSIPsandSMTconvertersusestheestablished industry standard footprint and pin-out configurations.
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
Foradesiredincreaseofthenominaloutputvoltage,thevalueof theresistorshouldbe:
Rtrim-up =
1200 VDES-0.8 or 1200
_ 100 (W)
VOUT = 0.8+
where
Rtrim-up +100
(W)
VDES=DesiredOutputVoltage
CONTROLFEATURES
REMOTE ON/OFF: The ON/OFF input permits the user to control when the converter is on or off. There are currently two options available for the ON/OFF input described in the table below.Othersmaybecomeavailableifdemandexists.
To maintain the accuracy of the output voltage over load current, it is vital that any trim-up resistor be terminated directly to the converter's ground foot, not at the connection to the load. A separate Kelvin connection to the PCB pad for the ground foot is optimal. Trim-down resistors should be terminated at the converter'sSense+pin. Wedonot recommend bypassing the trim pin directly to ground with a capacitor. The voltage gain from the trim pin to output isratherlarge,15:1.Groundbouncethroughabypasscapacitor could introduce significant noise to the converter's control circuit.
PROTECTIONFEATURES
OUTPUT VOLTAGE TRIM:TheTRIMinputpermitstheuserto adjust the output voltage according to the trim range specificationsbyusinganexternalresistor.IftheTRIMfeatureisnotbeing used,leavetheTRIMpindisconnected. TRIM-UP: To increase the output voltage from the nominal setpoint of 0.8V using an external resistor, connect the resistor Rtrim-up between the TRIM and the Ground pin according to the diagram below. Input Under-Voltage Lockout:Theconverterisdesignedto turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the applicationnotetitled"InputSystemInstability".Thelockoutcircuitry is a comparator with DC hysteresis. When the input voltage is rising,itmustexceedthetypicalTurn-OnVoltageThresholdvalue (listed on the specification page) before the converter will turn on.Oncetheconverterison,theinputvoltagemustfallbelow thetypicalTurn-OffVoltageThresholdvaluebeforetheconverter will turn off. Output Current Limiting:Toprovideprotectioninanoutput over load fault condition, the unit is equipped with internal overcurrentprotection.Whentheover-currentprotectionistriggered, the unit enters hiccup mode. The units operate normally once the fault condition is removed. Internal Over-Voltage Protection: To fully protect from excessiveoutputvoltage,thisseriescontainscontainsanOutput Over-Voltage Shutdown circuitry. This OVP is independent of thetrimmedsetpoint.Assuch,theconverter'sloadisprotected from faults in the external trim circuitry (such as a trim pin shorted to ground). Since the setpoint of this OVP does not track trim, itissetat6.0V.FormoredetailedinformationcontactSynQor technical support.
Vin
Vout Sense+ Trim
On/Off Gnd
Rtrim-up
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 8
Technical Specification
Over-Temperature Shutdown:Atemperaturesensoronthe converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the temperatureatthesensedlocationreachestheOver-Temperature Shutdownvalue.Itwillallowtheconvertertoturnonagainwhen the temperature of the sensed location falls by the amount of the Over-TemperatureShutdownRestartHysteresisvalue.
Input: Outputs: Current: Package:
6.0 - 15.0V 0.8 - 5.0V 30A SMT
APPLICATIONCONSIDERATIONS
Input Filtering/Capacitance/Damping:Thefiltercircuitof FigureEisoftenaddedtotheconverter'sinputtopreventswitching noise from reaching the input voltage bus.
Figure H: Converter with Additional Output Capacitance
Active Load Sharing:Foradditionalpowerrequirements,the SGA30seriesofconvertershaveaparallelfeatureavailable.To implement forced load sharing, the following connections should bemade: * The share pins of all units in parallel must be connected together. The path of these connections should be as direct as possible. *AllON/OFFpinsshouldbeconnectedtogether.
Figure E: converter with Input Filter
In the SGA30 (surface mount) converters Cin = 20F of high quality ceramic capacitors. With Lin of 1H, Cd should be 100-200F and Rd should be 0.1-0.2W, in most applications. Formoreinformationondesigningtheinputfilterandchoosing proper values, contact SynQor technical support. Adding significant external pure ceramic capacitance directly across the converter's input pins is not recommended. Parasitic inductanceassociatedwiththeinputpingeometryandPCBtraces cancreateahigh-QCLCcircuitwithanyexternalcapacitors.Just a few nano-Henries of parasitic inductance can create a resonance (or an overtone) near the converter's switching frequency. To avoid this high-frequency resonance, any external input filter shouldexhibitanetsourceimpedanceofatleast20mW resistive through this frequency range. This requirement is easily met with the damping elements discussed above. Adding a small amount (a fewF)ofhigh-frequencyexternalceramicwillnotviolateit. Ifusingconvertersathigherpowers,considertheripplecurrent rating of Cd. Contact SynQor technical support for details. Output Capacitance:Itisrecommendedtoaddatleast100F ofcapacitance,withanESRinthe0.1W range, to the output of theSGA30seriesofconverters.Inmanyapplications,however, additional external output capacitance is required to reduce the response to load transients to an allowable level. Forminimalovershootuponrecovery,Cdshouldberelatedtothe minimumin-circuitnetESR. For more detailed derivations of these values contact SynQor technical support.
The share bus is not designed for redundant operation and the system will be non-functional upon failure of one of the units when multipleunitsareinparallel.Whennotusingtheparallelfeature, leave the share pin open.
SURFACEMOUNTINFORMATION
PCB Layout Considerations: SynQor recommends that the customer use a non-solder mask defined pad design. The minimum recommended pad size is 0.074" x 0.122" (1.88mm x 3.1mm) and the maximum pad size is 0.095" x 0.140" (2.41mm x 3.56mm), see the mechanical diagram on page 2. Interconnection to internal power planes is typically required. This can be accomplished by placing a number of vias between the SMT pad and the relevant plane. The number and location of the vias should be determined based on electrical resistance, currentandthermalrequirements."Via-in-pad"designshouldbe avoided in the SMT pads. Solder mask should be used to eliminate solder wicking into the vias. Pick and Place: The NiQor surface mount modules are designed for automated assembly using standard SMT pick and place equipment. The modules have a centrally located inductor component with a flat surface area to be used for component pick-up. The units use open frame construction and have a low mass that is within the capability of standard pick and place equipment. Those modules however have a larger mass than most conventional SMT components and so variables such as nozzle size,tipstyle,handlingspeed,andplacementpressureshouldbe optimizedforbestresults.Aconformaltippedplacementnozzle design is recommended. Coplanarity of better than 0.004" (0.1mm)isachievedthroughtheSMTNiQor'sterminaldesign.
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 9
Technical Specification
Reflow Soldering Guidelines: Figure J shows a typical reflow profile for a eutectic solder process. Due to variations in customer applications, materials and processes, it is not feasible for SynQor to recommend a specific reflow profile. The customer should use this profile as a guideline only. Since the NiQor surface mount modules have a larger thermal mass and lower thermal resistance than standard SMT components, it may be necessary to optimize the solder reflow profile based on limitations of the other components on the customer board. Sufficient reflow time must be allowed to fuse the plating on the connection to ensure a reliable solder joint. The solder reflow profile should be confirmed by accurately measuring the SMT interconnect leads. Maximum case temperature of260C(exposurefor5secondsorless)isnot exceeded for the NiQor units. Moisture Sensitivity: The NiQor surface mountmoduleshaveanMSLrating1perIPC/ JEDECJ-STD-033A.
Input: Outputs: Current: Package:
Maximum Temperature (+210-260oC)
6.0 - 15.0V 0.8 - 5.0V 30A SMT
Eutectic Solder Melting Point (+183oC)
(+150-155oC)
Pre-heat
Soak
*0.5-0.6oC/sec
Reflow
*1.3-1.6oC/sec *30
Cool Down
*<
2.5oC/sec
*60
to 90 sec., typ., 2 min max
to 60 sec., typ., 90 sec max
2 to 4 min.
Figure J: Typical Eutectic (96.5Sn/3.0Ag/0.5Cu) Solder Profile
Cleaning and Drying: When possible, a no-clean solder paste system should be used to solder the NiQor SMT units to their application board. The modules are suitable for aqueous washing, however, the user must ensure sufficient drying to remove all water from the converter before powering up. Inadequate cleaning and drying can affect the reliability of the converter and the testing of the final assembly.
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Doc.# 005-2NS163E Rev. C
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Page 10
Technical Specification
PART NUMBERING SYSTEM
The part numbering system for SynQor's dc-dc converters follows the format shown in the example below.
NQ 15 W 5 0 S G A 3 0 PSD -G 6/6RoHS Options (see OrderingInformation) OutputCurrent Thermal Design PerformanceLevel PackageSize OutputVoltage InputVoltage ProductFamily
Model Number NQ15W50SGA30xyz-G
Input: Outputs: Current: Package:
ORDERING INFORMATION
6.0 - 15.0V 0.8 - 5.0V 30A SMT
The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQor converters, please ensure that you use the complete 15 character part number consisting of the 12 character base part number and the additional 3 characters for options. A "-G" suffix indicates the product is 6/6 RoHS compliant.
Input Voltage 6.0 - 15 V
Output Voltage 0.8 - 5.0 V
Max Output Current 30 A
The first 12 characters comprise the base part number and the last 3 characters indicate available options. The "-G" suffix indicates 6/6 RoHS compliance.
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 P - Pos/Open
Pin Style S - Standard
Feature Set
D - Sense, Share G - Sense, Share, GND pins
Application Notes
A variety of application notes and technical white papers can be downloaded in pdf format from our website.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous 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 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 SynQor for availability.
PATENTS
SynQor holds the following patents, one or more of which might apply to this product: 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: Toll Free: Fax: E-mail: Web: Address:
978-849-0600 888-567-9596 978-849-0602 power@synqor.com www.synqor.com 155 Swanson Road Boxborough, MA 01719 USA
Phone 1-888-567-9596
Warranty SynQor offers a two (2) year limited warranty. Complete warranty 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, no responsibility is assumed by SynQor for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SynQor.
Product # NQ15W50SGA30
www.synqor.com
Doc.# 005-2NS163E Rev. C
10/03/08
Page 11

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