Rev. 2.16.09_164
LPT40 Series
1 of 3
Embedded Power for
Business-Critical Continuity
LPT40 Series
40 Watts
Special Features
• Universalinput
• 3”x5”footprint
• Lessthan1Uhigh
• Remotesenseonmainoutput
• TerminalBlockoption(-T)
• Built-inEMIfilter
• Lowoutputripple
• Adjustablemainoutput
• Overvoltageprotection
• Overloadprotection
• 110KHzswitchingfrequency
• LPX40enclosurekitavailable
Total Power: 40-55Watts
Input Voltage: 85-264VAC
120-300VDC
# of Outputs: Triple
Electrical Specifications
Safety
Input
Inputrange: 85-264VAC
120-300VDC
Frequency: 47-440Hz
Inrushcurrent: <18Apeak@115VAC;
<36Apeak@230VAC,coldstart@25°C
Inputcurrent: 1Amax.(RMS)@115VAC
Efficiency: 70%typicalatfullload(60%forLPT41)
EMI: FCCClassBconducted;CISPR22ClassBconducted
EN55022ClassBconducted;
VDE0878PT3ClassBconducted
Safetyground
leakagecurrent:
<0.5mA@50/60Hz,264VACinput
Output
MaximumPower: 40Wforconvection(LPT41,25W);
55Wwith30CFMforcedair(LPT41,41W)
Crossregulation: ±2%onoutput1;±5%onoutputs2,3
Adjustmentrange: -5,+10%minimum
Hold-uptime: 20ms@40Wload,115VACnominalline
Overloadprotection: Shortcircuitprotectiononalloutputs.Caseoverload
protected@110%to145%abovepeakrating
Overvoltageprotection: 5.7to6.7VDConthemainoutput
LPT41:3.6to4.6VDC
Remotesense: Compensatesfor0.5Vleaddropmin.Willoperatewithoutremote
senseconnected.Reverseconnectionprotected.
UL UL60950
E132002
CSA CSA22.2-234Level3
LR53982C
NEMKOEN60950/EMKO-TUE
 P95100411
 (74-sec)203
CB Certificate and report
1118,1122,1123,1124
CE Mark(LVD)
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Rev. 2.16.09_164
LPT40 Series
2 of 3
Embedded Power for
Business-Critical Continuity
OrderingInformation
Model
Number
Output
Voltage
Minimum
Load
Maximum Load with
Convection cooling
Maximum Load with
30CFM Forced Air Peak Load1Regulation2Ripple P/P
(PARD)3
LPT41(-T) +3.3V
+5V
+12V
0.5A
0A
0A
4A
1.5A
0.5A
7A
2.0A
0.7A
7A
2.5A
0.7A
±2%
±2%
±5%
50mV
50mV
120mV
LPT42(-T) +5V
+12V
-12V
0.4A
0.2A
0A
4A
2A
0.5A
5A
2.5A
0.7A
7A
4A
1A
±2%
±5%
±5%
50mV
120mV
120mV
LPT43(-T) +5V
+12V
-12V
0.5A
0A
0A
6A
0.5A
0.5A
8A
0.7A
0.7A
9A
1A
1A
±2%
±5%
±5%
50mV
120mV
120mV
LPT44(-T) +5V
+12V
-5V
0.4A
0.2A
0A
4A
2A
0.5A
5A
2.5A
0.7A
7A
4A
1A
±2%
±5%
±5%
50mV
120mV
50mV
LPT45(-T) +5V
+15V
-15V
0.4A
0.2A
0A
4A
2A
0.5A
5A
2.5A
0.7A
7A
3A
1A
±2%
±5%
±5%
50mV
150mV
150mV
LPT46(-T) +5V
+24V
+12V
0.4A
0.1A
0A
4A
1.0A
0.5A
5A
1.5A
0.7A
6A
2A
1A
±2%
±7%
±5%
50mV
240mV
120mV
LPT47(-T) +5V
+24V
-12V
0.4A
0.2A
0A
4A
1.0A
0.5A
5A
1.5A
0.7A
6A
2A
1A
±2%
±7%
±5%
50mV
240mV
120mV
1. Peakcurrentlasting<30secondswithamaximum10%dutycycle.
2. At25°Cincludinginitialtolerance,linevoltage,loadcurrentsandoutputvoltagesadjustedtofactorysettings.
3. Peak-to-peakwith20MHzbandwidthand10µFinparallelwitha0.1µFcapacitoratratedlinevoltageandloadranges.
4. MinimumLoadsarerequired.
5. (-T)indicatesTerminalBlockoptionforinputandoutput(insteadofMolextype)
Operatingtemperature: 0°to50°Cambientderateeachoutputat2.5%perdegreefrom50°to70°C,-20°Cstartup.
Electromagnetic
susceptibility:
DesignedtomeetIEC801,-2,-3,-4,-5,-6,Level3
Humidity: Operating;non-condensing5%to95%
Vibration: Threeorthogonalaxes,sweepat1oct/min,5min.dwellatfourmajorresonances0.75Gpeak5Hzto
500Hz,operational
Storagetemperature: -40°to85°C
Temperaturecoefficient: ±.04%per°C
MTBFdemonstrated: >550,000hoursatfullloadand25°Cambientconditions
EnvironmentalSpecifications
Power Derating Curve
Output
Power
(Watts)
0°C
10W
20W
30W
40W
10°C 20°C 30°C 40°C 50°C 60°C 70°C
TA – Ambient Temperature – °C
0W
Natural
Convection
Cooling 20W
27.5W
55W
30 CFM Forced Air Cooling
Rev. 2.16.09_164
LPT40 Series
3 of 3
Embedded Power for
Business-Critical Continuity
MechanicalDrawing
3.00"
(76.2)
2.55"
(64.8)
0.22"
(5.6)
1.14"
(29)
0.197"
(
5
)
4.55"
(115.6)
5.00"
(127)
SK 1
SK 2
1
2
3
4
5
6
0.15" (4)
DIA (4 places)
GND
1
3N
L
M1 M2
_+
Remote Sense
Connector
SK201
Voltage
Adj. Pot
PinAssignments
Connector LPT41 LPT42 LPT43 LPT44 LPT45 LPT46 LPT47
SK1-1 Line Line Line Line Line Line Line
SK1-3 Neutral Neutral Neutral Neutral Neutral Neutral Neutral
SK2-1 5V +12V +12V +12V +15V +24V +24V
SK2-2 3.3V +5V +5V +5V +5V +5V +5V
SK2-3 3.3V +5V +5V +5V +5V +5V +5V
SK2-4 Common Common Common Common Common Common Common
SK2-5 Common Common Common Common Common Common Common
SK2-6 12V -12V -12V -5V -15V +12V -12V
SK201-1 +Sense +Sense +Sense +Sense +Sense +Sense +Sense
SK201-2 -Sense -Sense -Sense -Sense -Sense -Sense -Sense
MatingConnectors
ACInput: Molex09-50-8031(USA)Notrequiredfor(-T)option
09-91-0300(UK)
PINS:08-52-0113
DC
Outputs: Molex09-50-8061(USA)Notrequiredfor(-T)option
09-91-0600(UK)
PINS:08-52-0113
Remote
Sense: Molex22-01-2025
PINS:08-52-0123
EmersonNetworkPowerConnectorKit#70-841-006,includesalloftheabove
1. Specificationssubjecttochangewithoutnotice.
2. Alldimensionsininches(mm),toleranceis±0.02”(±0.5mm)
3. MountingholesM1andM2shouldbegroundedforEMIpurposes.
4. MountingholeM1issafetygroundconnection.
5. Specificationsareforconvectionratingatfactorysettingsat115VACinput,25°Cunless
otherwisestated.
6. Warranty:2year
7. Weight:0.5lbs/0.23kg
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
Whileeveryprecautionhasbeentakentoensure
accuracyandcompletenessinthisliterature,Emerson
NetworkPowerassumesnoresponsibility,anddisclaims
allliabilityfordamagesresultingfromuseofthis
informationorforanyerrorsoromissions.
EmersonNetworkPowerandtheEmerson
NetworkPowerlogoaretrademarksand
servicemarksofEmersonElectricCo.
©2008EmersonElectricCo.
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Home > Products > AC-DC Power Supplies Overview > 10 W - 500
W > 10 W - 85 W > LPT40
+44 (0)800 032 1546 Email Us
LPT40 Series WebSheet
● Total Max Power: 55 W
● Total Max Current: 7 A
● Input Voltage: 85 V to 264 V
● Output Voltage: -15 V to 24 V
● Outputs: Triple
● Size (L x W x H): 5.000" x 3.000" x 1.200"
● Warranty: 2 years
● Operating Temperature: -20 to +70
● Download Datasheet
Special features
● LPX40 enclosure kit available
● Universal input
● 3" x 5" footprint
● Remote sense on main output
● Built-in EMI filter
● Low output ripple
● Adjustable main output
● Overvoltage protection
● 110 KHz switching frequency
● Terminal block option (-T)
● Less than 1U high
● Overload protection
Electrical specs
Input
● Inrush current: <18 A peak @ 115 VAC; <36 A peak
@ 230 VAC
● EMI filter: FCC Class B conducted; CISPR 22 Class
B conducted
● Efficiency: 70% typical at full load (60% for LPT41)
● Safety ground leakage current: <0.5 mA @ 50/60 Hz,
264 VAC input
● Input range: 85-264 VAC 120-300 VDC
● Frequency: 47-440 Hz
● Input current: 1 A max. (RMS) @ 115 VAC
Output
● Hold-up time: 20 ms @ 40 W load, 115 VAC nominal
line
● Cross regulation: ±2% on output 1; ±5% on outputs 2,
3
● Overvoltage protection: 5.7 to 6.7 VDC on main
output LPT41: 3.6 to 4.6 V
● Remote sense: Compensates for 0.5 V lead drop min.
● Adjustment range: -5, +10% minimum
● Maximum power: 40 W for convection, (LPT41, 25W);
55 W w/30 CFM
● Overload protection: Short circuit protection and Case
overload
LPT40 models
Output(s) Model No Buy
Now Evaluation
3.63 V @ 7 A, 5 V @ 2
A, 12 V @ 0.7 A LPT41 Buy
Now Request
5.5 V @ 5 A, 12 V @ 2.5
A, -12 V @ 0.7 A LPT42 Buy
Now Request
5.5 V @ 8 A, 12 V @ 0.7
A, -12 V @ 0.7 A LPT43 Buy
Now Request
5.5 V @ 5 A, 12 V @ 2.5
A, -5 V @ 0.7 A LPT44 Buy
Now Request
5.5 V @ 5 A, 15 V @ 2.5
A, -15 V @ 0.7 A LPT45 Buy
Now Request
5.5 V @ 5 A, 24 V @ 1.5
A, 12 V @ 0.7 A LPT46 Buy
Now Request
5.5 V @ 5 A, 24 V @ 1.5
A, -12 V @ 0.7 A LPT47 Buy
Now Request
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