Embedded Power for
Business-Critical Continuity
LPT80 Series
80 Watts
Special Features
• Power Factor Correction
• EN61000-3-2 compliant
• Universal input
• 3” x 5” footprint
• Remote sense on outputs 1
(& 2 for LPT81)
• Power fail and remote inhibit
• Wide range adjustable on
outputs 1 (& 2 for LPT81)
• Built-in Class B EMI filter
• Overvoltage protection
• Overload protection
Total Power: 55 - 85 Watts
Input Voltage: 85-264 Vac
120-370 Vdc
# of Outputs: Triple
Electrical Specifications
Safety
Input
Input ra nge: 85-264 Vac; 120-300 Vdc
Frequency: 47-440 Hz
Inrush current:
<18 A peak @ 115 Vac;
<36 A peak @ 230 Vac,
cold start @ 25 °C
Input current: 1.5 A max. (RMS) @ 115 Vac
Efficiency: 75% typical at full load
EMI filter: FCC Class B conducted
CISPR 22 Class B conducted
EN55022 Class B conducted
VDE 0878 PT3 Class B conducted
Safety ground
leakage current:
<1 mA @ 50/60 Hz, 264 Vac input
Output
Maximum power: 60 W for convection( LPT81, 55 W);
85 W with 30 CFM forced air
Adjustment range: 3.3 V - 5.5 V on outputs one
(and two 1.8 V - 3.5 V for LPT81)
Hold-up time: 20 ms @85 W load, 115 Vac nominal line
Overload protection: Short circuit protection on all outputs.
Case overload protected @ 145% above peak rating
Overvoltage protection: Tracks outputs 1( & 2 for LPT81): 20% to 35% above
output setting
VDE 60950
UL 60950
CSA 60950
NEMKO 60950
AUSTEL 60950
CB Certificate & report
CE Mark LVD
Rev. 05.23.08
LPT80 Series
1 of 3
RoHS
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 Load 1Regulation 2
Ripple P/P
(PARD)3
LPT81 +3.3 V (1.8 - 3.5 V)
+5 V (3.3 - 5.5 V)
+12 V
0.7 A
0.3 A
0
8.0 A
4.0 A
0.7 A
13 A13 A
1.0 A
15 A
15 A
1.5 A
±2%
±2%
±5%
50 mV
50 mV
120 mV
LPT82 +5 V (3.3 - 5.5 V)
+12 V
-12 V
0.7 A
0.3 A
0
8.0 A
3.0 A
0.7 A
13 A
4.0 A
1.0 A
15 A
4.6 A
1.5 A
±2%
±5%
±5%
50 mV
120 mV
120 mV
LPT83 +5 V (3.3 - 5.5 V)
+15 V
-15 V
0.7 A
0.3 A
0
8.0 A
2.4 A
0.7 A
13 A
3.2 A
0.7 A
15 A
3.7 A
1 A
±2%
±5%
±5%
50 mV
150 mV
150 mV
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. Total current of all outputs can not exceed 21 A.
Rev. 05.23.08
LPT80 Series
2 of 3
Operating temperature: 0° to 50 °C ambient;
derate each output at 2.5% per degree from 50° to 70°C
Temperature coefficient: ±0.4% per °C
Storage temperature: -40° to 85 °C
Electromagnetic
susceptibility: Designed to meet IEC EN61000-4, -2, -3, -4, -5, -6, -8, -11 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 0.75 G peak 5 Hz to 500 Hz, operational
MTBF demonstrated: >550,000 hours at full load and 25 °C ambient conditions
Environmental Specifications
Logic Control
Power failure TTL logic signal goes high 100 - 500 msec after V1 output; It
goes low at least 4 msec before loss of regulation
Remote inhibit Requires contact closure to inhibit outputs
Remote sense Compensates for 0.5 V lead drop min. Will operate without
remote sense connected. Reverse connection protected.
Embedded Power for
Business-Critical Continuity
Rev. 05.23.08
LPT80 Series
3 of 3
Mechanical Drawing
(4x) .14 (Ø 3.6)
0.22 (5.6)
3.00 
(76.2)
0.23 (5.8) 5.00
(127.0)
11
5
6
10
1
8
2.55"
(64.8)
(115.8)
4.56" 0.22 (5.6)
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.
EmersonNetworkPower. com
Embedded Computing
Embedded Power
Monitoring
Outside Plant
Power Switching & Controls
Precision Cooling
Racks & Integrated Cabinets
Services
Surge Protection
Emerson Network Power.
The global leader in enabling
business-critical continuity.
AC Power
Connectivity
DC Power
Notes:
1.Specifications subject to change without notice.
2.All dimensions in inches (mm), tolerance is ±.02”.
3.Mo unting holes M1, M2 and M3 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 oth-
erwise stated.
6.Warranty: 2 year
7.Weight: 0.8 lb. / 0.36 kg
Mating Connectors
(SK1)AC Input: Molex 09-50-8031 (USA)
09-91-0300 (UK)
PINS: 08-58-0111
(SK2)DC Outputs: Molex 09-50-8081 (USA)
09-91-0800 (UK)
PINS: 08-58-0111
(SK3) Control Signals:
Molex 90142-0010 (USA)
PINS: 90119-2110 or
Amp: 87977-3
PINS: 87309-8
Astec connector kit:
#70-841-018
includes all the above
Pin Assignments
Connector LPT81 LPT82/83
SK1 Pin1 Neutral Neutral
Pin3 Line Line
SK2 Pin1 V1 (3.3V) V1 (5 V)
Pin2 V1 (3.3V) V1 (5 V)
Pin3 Common Common
Pin4 Common Common
Pin5 Common Common
Pin6 V2 (5V) V2 (12/15V)
Pin7 V2 (5V) V2 (12/15V)
Pin8 V3 (12V) V3 (-12V/15)
SK3 Pin1 +V1 Remote sense +V1 Remote sense
Pin2 -V1 Remote sense -V1 Remote sense
Pin3 +Remote inhibit +Remote inhibit
Pin4 -Remote inhibit -Remote inhibit
Pin5 +Power fail +Power fail
Pin6 Common Common
Pin7 No connection No connection
Pin8 +V2 sense No connection
Pin9 -V2 sense No connection
Pin10 No connection No connection