EMERSON LPS40-M Service Manual

Embedded Power for
Business-Critical Continuity

LPS40-M Series

40 Watts
Medical

Special Features

• Medical safety approvals

• Universal input

• 3" x 5" footprint

• Less than 1U high

• Remote sense on main output

• Low output ripple

• Adjustable 5V output

• Overvoltage protection

• Overload protection

• 110 KHz switching frequency

• LPX40 enclosure kit available

Total Power: 40-55 Watts
Input Voltage: 85-264 VAC

120-300 VDC

# of Outputs: Triple

Electrical Specifications

Safety

Input

Input ra nge 85-264 VAC; 120-300 VDC
Frequency 47-440 Hz
Inrush current <18A peak @ 115VAC; <36A peak @ 230VAC, cold start @ 25°C
Input current 1A max. (RMS) @ 115VAC
Efficiency 70% typical at full load
EMI filter FCC Class B conducted; CISPR 22 Class A conducted;

EN55022 Class A conducted; VDE 0878 PT3 Class A conducted

Safety ground
leakage current

<75μA @ 50/60 Hz, 264 VAC input

Output

Maximum power 40W for convection; 55W with 30CFM forced air
Adjustment range -5, +10% minimum
Hold-up time 20ms @ 40W load, 115VAC nominal line
Overload protection

Short circuit protection on all outputs
Case overload protected @ 110 -145% above peak rating

Overvoltage protection 5V output; 5.7 to 6.7VDC. Other outputs 10% to 25%

above nominal output

Remote sense Compensates for 0.5 V lead drop minimum.

Will operate without remote sense connected.
Reverse connection protected.

VDE 0750/EN60601-1 (IEC601)
UL UL2601 E182560
CSA CSA 22.2 No.601.1

LR109492

CE Mark (LVD)

Rev. 07.23.07

LPS40-M 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

LPS42-M 5V 0A 8A 11A 12A ±2% 50 mV

LPS43-M 12V 0A 3.3A 4.5A 5A ±2% 120 mV

LPS44-M 15V 0A 2.6A 3.6A 4A ±2% 150mV

LPS45-M 24V 0A 1.6A 2.3A 2.5A ±2% 240mV

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.

Rev. 07.23.07

LPS40-M Series

2 of 3

Operating temperature: 0° to 50°C ambient. Derate each output 2.5% per degree from

50° to 70°C, -20°C startup
Storage temperature: -40°C to +85°C

Temperature coefficient:

±0.4% per °C
Electromagnetic

susceptibility:

Designed to meet IEC 801, -2, -3, -4, -5, -6, Level 3
Humidity: Operating; non-condensing 5% to 95% RH

Vibration: Three orthogonal axes, sweep at 1 oct/min, 5 min. dwell at

four major resonances 0.75G peak 5Hz to 500Hz, operational
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

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Network Power logo are trademarks and
service marks of Emerson Electric Co.
©2007 Emerson Electric Co.

Embedded Power for
Business-Critical Continuity

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The global leader in enabling
business-critical continuity.

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Rev. 07.23.07

LPS40-M Series

3 of 3

Mechanical Drawing

(5)

Pin Assignments

Connector LPS42-M LPS43-M LPS44-M LPS45-M

SK1-1 Neutral Neutral Neutral Neutral
SK1-3 Line Line Line Line

SK2-1 +5V +12V +15V +24V
SK2- 2 +5V +12V +15V +24V
SK2- 3 +5V +12V +15V +24V
SK2-4 Common Common Co mmon Common
SK2-5 Common Common Co mmon Common
SK2-6 Common Common Co mmon Common
SK201-1 +Sense +Sense +Sense +Sense
SK201-2 -Sense -Sense -Sense -Sense

Mating Connectors

AC Input:

Molex 09-50-8031 (USA)
09-91-0300 (UK)
PINS: 08-58-0111

DC Outputs:

Molex 09-50-8061 (USA)
09-91-0600 (UK)
PINS: 08-58-0111

Remote Sense:

Molex 22-01-2025
PINS: 08-50-0114

Astec 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: [phone]
Facsimile: [phone]

Europe (UK)

Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: [phone]
Facsimile: [phone]

Asia (HK)

16th - 17th Floors, Lu Plaza
2 Wing Yip Street, Kwun Tong
Kowloon, Hong Kong
Telephone: [phone]
Facsimile: [phone]

For global contact, visit:

www.astecpower.com
www.artesyn.com
[e-mail]
[e-mail]

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.

0.22"
(5.6)

GND

M1

3.00"

(76.2)

2.55"

(64.8)

SK 1

N

3

1

L

1.14"
(29)

0.197"

4.55"

(115.6)

5.00"

(127)

SK201

M2

_

+

SK 2

1
2
3
4
5
6

Remote Sense

Connector

Voltage

Adj. Pot

0.15" (4)

DIA (4 places)