Technical
Specification
NQ20x20ETx20
Product # NQ20x20ETx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005379 Rev.
B
09/16/09
Page 1
Non-Isolated
9 - 20V
Continuous Input
0 - 20V
Outputs
20A
Current
Non-
Isolated
Eighth-brick
DC-DC Converter
NiQor eighth-brick module
Mechanical Features
Industrystandardeighth-brickpin-outconfiguration
Size:0.99"x2.39"(25x60.6mm)
Totalheightonly0.50"(12.7mm)
Totalweight:1.7oz(48g)
Control Features
On/Offcontrol
Outputvoltagetrimpermitscustomvoltages
RemoteSense(Soption,standard)
Currentlimittrim(Coption)
Protection Features
Inputunder-voltagelockoutprotectstheconverteratlow
inputvoltageconditions
Over-currentshutdownprotectsconverterfrom
excessiveloadcurrentorshortcircuits
Input/outputover-voltageprotectionprotectsloadand
regulatorfromdamagingvoltages
Thermalshutdownprotectsconverterfromabnormal
environmentalconditions
Safety Features
UL60950-1:2003
EN60950-1:2001
IEC61000-4-2
Contents
PageNo.
NQ20ETMechanicalDiagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
NQ20x20ETx20ElectricalCharacteristics. . . . . . . . . . . . . . . . . . . . . . .4-5
Standards&Qualifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
NQ20x20ETx20Figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
ApplicationSection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
OrderingInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
The NiQor
eighth-brick dc-dc converter is a non-
isolated buck-boost regulator, which employs
synchronous rectification to achieve extremely high
conversionefficiency.TheHighInputVoltageNiQor
BrickfamilyofconverterscanbeusedintraditionalDPA
(distributedpowerarchitecture)systemsorprovidea
regulated output voltage from a battery source or
othervariablevoltagesource.TheNiQorBrickfamily
canbeconfiguredtoBucktheinputvoltagedowntoa
lowervoltageorBoosttheinputvoltageuptoahigher
voltageusingasingleexternalresistor.Themoduleis
RoHS6/6compliant(seepage10).
Operational Features
Ultrahighefficiency,upto95%atfullratedload
Deliversupto20Aofoutputcurrent
InputVoltageRange:9-20V
Outputvoltagerange:0-20V(negativeoutputispossible)
Extensiveon-boardinputandoutputfiltering
Nominimumloadrequirementmeansnopreload
resistorsrequired
Buckorbuck-boostversionsavailable
Adjustablecurrentlimitwithcurrentmonitor(Coption)