Embedded Power for
Business-Critical Continuity
LQS Series
Quarter-Brick Series
Special Features
• Ultrahighefficiencytopology
• Unprecedenteduseable
output power levels
• Highpowerdensity(200W/in3)
open-frametechnology
• Wideambienttemperature
range,-40˚C to +85 ˚C
•80%to110%outputtrim
•Monotonicstart-upinnormal
and prebiased loads
• Basicinsulationsystem
• Overvoltageand
overtemperature protection
• Secondarysidecontrol,no
optocouplers,fasttransient
response
• 100V,100msinputtransient
rated
• AvailableRoHScompliant
Total Power: 200 Watts
Input Voltage: 36 V to 75 V
# of Outputs: 1
Electrical Specifications
Safety
Input
Inputvoltagerange: 24Vnominal
48Vnominal
18-36Vdc
36-75Vdc
Inputcurrent: No load
RemoteOFF
85mAto150mA
5mA
ActivehighremoteON/OFF:
Logiccompatibility
ON
OFF
Opencollectorrefto-input
Opencircuitor>2.4Vdc
<0.4Vdc
Undervoltagelockout: Power up
Power down
35.5V(typ.)
33.5V(typ.)
Start-uptime(Seenote2): Power up
RemoteON/OFF
10ms(typ.)
10ms(typ.)
Output
Voltageadjustability: 80%to110%
Minimumload: 0%
Overshoot Atturn-onandturn-off None
Undershoot: None
Transientresponse:
(Seenote1)
70mV,typ.deviation
20µsrecovery
UL,cUL 60950-1Ed2
CSAC22.2No60950-1Ed2
VDEEN60950-1:2006+A11:2009
Rev. 09.29.10
LQS Series
1 of 5
Embedded Power for
Business-Critical Continuity
313
process
yellow
3405
1797
1375
116
2607
652
242
2985
375
240
Rev. 09.29.10
LQS Series
2 of 5
Electrical Specifications continued
EMCCharacteristics
Immunity:
ESDairenclosure: EN61000-4-28kV/6kV(O/Pwithinspec.)
Radiatedfieldenclosure: EN61000-4-310V/m(O/Pwithinspec.)
Conducted: EN61000-4-610V(O/Pwithinspec.)
Inputtransients: 100V,100ms
GeneralCharacteristics
Basicinsulation: Input/output 2250Vdc
Switchingfrequency: Fixed 480kHz
Approvalsandstandards: (SeeNote3) EN60950-1VDE,UL/cUL60950-1
Materialflammability: UL94V-0
Weight: 37g(1.30oz)
MTBF: TelcordiaTechSR-332 3,866,933hours
Environmental Specifications
Thermalperformance: Operatingambienttemperature -40˚Cto+85˚C
Non-operating -55˚Cto+125˚C
Protection
Short-circuit Continuous
Overvoltage Non-latching
Thermal 125˚Chotspottemperaturewithautomaticrecovery
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Business-Critical Continuity
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Rev. 09.29.10
LQS Series
3 of 5
OrderingInformation
Output
Voltage
Input
Current
Max. 4
Input Ripple
Current 5
Output
Current
Max.
Efficiency
typ.
Regulation Ripple & noise
(pk-pk) Model Number 6,8, 9,10
Set point
accuracy Max. Line Load
48VinVALUEMODELS
1.2V 1.92A 150mA 50A 88.5% ±1.5% ± 0.1% ±0.2% 60mV LQS50A48-1V2J
1.5V 2.36A 150mA 50A 89.5% ±1.5% ± 0.1% ±0.2% 60mV LQS50A48-1V5J
1.8V 2.82A 150mA 50A 90.4% ±1.5% ± 0.1% ±0.2% 60mV LQS50A48-1V8J
48VinPERFORMANCEMODELS
1.2V 4.05A 250mA 100A 86.0% ±1.5% ± 0.1% ±0.2% 60mV LQS100A48-1V2J
1.5V 3.8A 200mA 80A 88.8% ±1.5% ± 0.1% ±0.2% 60mV LQS80A48-1V5J
1.8V 4.6A 200mA 80A 90.0% ±1.5% ± 0.1% ±0.2% 60mV LQS80A48-1V8J
2.5V 4.1A 200mA 50A 90.0% ±1.5% ± 0.1% ±0.2% 60mV LQS50A48-2V5J
3.3V 5.2A 200mA 50A 91.0% ±1.5% ± 0.1% ±0.2% 60mV LQS50A48-3V3J
48VinULTRAMODELS
1.5V 4.8A 200mA 100A 88.5% ±1.5% ± 0.1% ±0.2% 60mV LQS100A48-1V5J
1.8V 5.7A 200mA 100A 89.5% ±1.5% ± 0.1% ±0.2% 60mV LQS100A48-1V8J
2.5V 6.2A 200mA 80A 91.0% ±1.5% ± 0.1% ±0.2% 60mV LQS80A48-2V5J
3.3V 6.2A 200mA 60A 91.0% ±1.5% ± 0.1% ±0.2% 60mV LQS60A48-3V3J
5V 6.2A 200mA 40A 92.0% ±1.5% ± 0.1% ±0.2% 60mV LQS40A48-5V0J(7)
5V 6.2A 200mA 40A 91.8% ±1.5% ± 0.1% ±0.2% 60mV LQS40A48-5V0GJ(11)
24VinMODELS
1.8V 3.4A 200mA 30A 91.0% ±1.5% ± 0.1% ±0.2% 60mV LQS30A24-1V8J
3.3V 6.5A 300mA 30A 89.5% ±1.5% ± 0.1% ±0.2% 60mV LQS30A24-3V3J
LQS60A48-3V3RANJ
L = LowProle
Type of Output
S=Single
Pin Length Options
Blank=0.188”(4.78mm)
N=0.145”(3.68mm)
K=0.110”(2.79mm)
Q = 1/4Brick
Remote ON/OFF Logic (8)
Blank = Positive
R=Negative
Body Height, Package Type, and Pin Length
A=0.300”(7.62mm),Throughhole,
0.188”(4.78mm)Pins
E=0.340”(8.64mm),Throughhole,
0.188”(4.78mm)Pins
S=0.28”(7.11mm),SurfaceMount(6)
Rated Output Current
40A=40Amps,60A=60Ampsetc.
Nominal Rated Input Voltage
24=24Volts(18Vdcto36Vdcrange)
48=48Volts(36Vdcto75Vdcrange)
Output Voltage
1V5=1.5Volts,1V8=1.8Voltsetc.
RoHS Compliance (9)
J=Pb-free(RoHS6/6compliant)
Notes:
1.di/dt=1A/us,Vin=48Vdc,Tc=25˚C,loadchange=50%to75%Iomax.
and75%to50%Iomax.Deviationvariesbymodel.Forfurtherdetailssee
longformdatasheet
2.Start-upintoresistiveload.
3.Thisproductisonlyforinclusionbyprofessionalinstallerswithinother
equipmentandmustnotbeoperatedasastandaloneproduct.
4.Recommendedinputfusingisupto10AHRC200Vratedfuse.
5.Peaktopeakmeasuredwithoutexternalπlter.Signicantreduction
possiblewithexternallter.SeeApplicationNote141forfurtherdetails.
6.‘S’optionappliestothe24Vmodelsonly.
7.ExceptLQS40A48-5V0Jwhichhasthedoubleoutputpins.
8.ActivelowRemoteON/OFFisavailable.StandardproductisActiveHigh.When
orderingactivelowparts,designatewiththesufx‘R’e.g.LQS100A48-1V8RAJ
9.TSERoHS5/6(nonPb-free)compliantversionsmaybeavailableonspecial
request,pleasecontactyourlocalsalesrepresentativefordetails.
10.NOTICE:Somemodelsdonotsupportalloiptons.Pleasecontactyourlocal
salesrepresentativeorusetheon-linemodelnumbersearchtoolatwww.
PowerConversion.comtondasuitablealternative.
11.LQS40A48-5V0GJhassingleoutputpins/0.188”pinlength/0.340”body
height
24V/48VMechanicalDrawingforOutputCurrentof50Aorless
(SeeNote7)
Embedded Power for
Business-Critical Continuity
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4 of 5
MechanicalDrawings
0.188 (4.78)
HEIGHT
(See Option Table)
CLEARANCE
(See Option Table)
RECOMMENDED HOLE PATTERN
2.30 (58.4)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
ø0.040 ±0.002 ( ø1.02 ±0.05)
(6 pls)
2.000 (50.80)
TOP VIEW
1
2
3
8
7
6
5
4
ø 0.062 ±0.002
(ø1.57 ±0.05)
(2 pls)
0.15
(3.8)
0.300
(7.62)
ø 0.054 ±0.003
(ø1.37 ±0.08)
(6 pls)
2.30 (58.4)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
2.000 (50.80)
1
2
3
8
7
6
5
4
ø 0.074 ±0.003
(ø1.88 ±0.08)
(2 pls)
0.15
(3.8)
0.300
(7.62)
Dimensions in Inches (mm)
Tolerances (unless otherwise specied)
x.xx ±0.02 (x.x ±0.5)
x.xxx ±0.010 (x.xx ±0.25)
0.150
(3.81) 0.150
(3.81)
1.45
(36.8)
1.45
(36.8)
0.150
(3.81) 0.150
(3.81)
Pin Connections
Pin Number Function Pin Number Function
1 +Vin 5 -Sense
2 ON/OFF 6 Trim
3-Vin 7 +Sense
4 -Vout 8+Vout
RECOMMENDED PCB LAYOUT
Dimensions in Inches (mm)
Tolerances (unless otherwise specied)
x.xx ±0.02 (x.x ±0.5)
x.xxx ±0.010 (x.xx ±0.25)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
1.45
(36.8)
0.300
(7.62)
0.150
(3.81)
0.055 (1.40) x 0.105 (2.67)
(8 pls)
0.28 (7.1)
HEIGHT
0.015 (0.38)
Lead coplanarity within 0.006 (0.15) max.
0.057 ±0.020
(1.45 ±0.51)
0.150
(3.81)
TOP VIEW
3
2
1
4
5
8
6
7
2.186
(55.52)
2.30
(58.4)
(8 pls)
(50.80)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
1.45
(36.8)
0.300
(7.62)
0.150
(3.81)
8
1
2.000
0.15
(3.8)
2
35
4
6
7
TOP VIEW
2.186
(55.52)
0.057 ±0.020
(1.45 ±0.51)
2.30
(58.4)
0.150
(3.81)
0.067(1.70) x 0.118(3.00)
ø0.058 ±0.008
(ø1.47 ±0.02)
(6 PLS)
Ref IPC-2222
Level B
ø0.080 ±0.008
(ø2.03 ±0.02)
(2 pls)
Ref IPC-2222
Level B
CLEARANCE
DimensionOptions
Option Clearance Height
±0.016(0.41) +0.022(0.56)
-0.030(0.76)
A 0.030(0.76) 0.300(7.62)
E0.070(1.78) 0.340(8.64)
24VSurface-mountMechanicalDrawingandPinoutTable
Embedded Power for
Business-Critical Continuity
Rev. 09.29.10
LQS Series
5 of 5
Americas
5810VanAllenWay
Carlsbad,CA92008
USA
Telephone:+17609304600
Facsimile: +17609300698
Europe (UK)
WaterfrontBusinessPark
MerryHill,Dudley
WestMidlands,DY51LX
UnitedKingdom
Telephone:+44(0)1384842211
Facsimile: +44(0)1384843355
Asia (HK)
14/F,LuPlaza
2WingYipStreet
KwunTong,Kowloon
HongKong
Telephone:+85221763333
Facsimile: +85221763888
Forglobalcontact,visit:
www.PowerConversion.com
techsupport.embeddedpower
@emerson.com
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RECOMMENDED HOLE PATTERN
CLEARANCE
(See Option Table) HEIGHT
(See Option Table)
0.188 (4.78)
2.30 (58.4)
0.300
(7.62)
1.45
(36.8)
ø 0.040 ±0.002
(ø1.02 ±0.05)
(6 pls)
ø0.062 ±0.002
(ø1.57 ±0.05)
(4 pls)
0.150
(3.81)
2.000 (50.80)
0.15
(3.8)
TOP VIEW
0.118
(3.00)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
Dimensions in Inches (mm)
Tolerances (unless otherwise specied)
x.xx ±0.02 (x.x ±0.5)
x.xxx ±0.010 (x.xx ±0.25)
ø 0.058 ±0.008
(ø1.47 ±0.02) (6 pls)
Ref IPC-2222 Level B
2.000 (50.80)
2.30 (58.4)
0.15
(3.8) 0.118
(3.00)
0.300
(7.62)
0.300
(7.62)
0.725 ±0.020
(18.42 ±0.51)
ø 0.074 ±0.003
(ø1.88 ±0.08) (4 pls)
Ref IPC-2222 Level B
0.150
(3.81)
1.45
(36.8)
0.150
(3.81) 0.150
(3.81)
48VMechanicalDrawingforOutputCurrentFreaterthan50A
“TheDoubleP”Pinout(7)