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PSPSD-50 SERIES
Up to 53.8 Watts, AC/DC Switching Power Supplies
Rev A
Wall Industries, Inc.
FEATURES
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RoHS Compliant
Up to 53.8 Watts Output Power
3000VAC I/O Isolation
High Efficiency up to 89%
Operating Altitude up to 5000M
Easy Assembly from Top Side
Suitable for Critical Applications
Miniature Size, High Reliability
High Power Density
100% Full Load Burn-in Test
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No Load Power Consumption < 0.5W
PCB Soldering Side with Conformal Coating
-25°C to +70°C Wide Operating Temperature Range
All Using 105°C Long Life Electrolytic Capacitors
Withstand 300VAC Surge Input for 5 Sec.
Universal Input Voltage Range: 90-264VAC (127-370VDC)
Over Load, Over Voltage, and Short Circuit Protection
5V, 12V, 15V, 24V, and 48VDC Single Output Models
UL60950-1 (2nd edition), IEC60950-1:2005 (2nd edition),
EN60950-1:2006 Safety Approvals
DESCRIPTION
The PSPSD-50 series of AC/DC switching power supplies provides up to 53.8 Watts of output
power in a 3.90” x 3.23” x 1.38” enclosed case. This series consists of single output models ranging
from 5VDC to 48VDC with an input voltage range of 90~264VAC (127~370VDC). Standard features
include high efficiency up to 89%, 3000VAC I/O isolation, and a -25°C to +70°C operating
temperature range. This series also has short circuit, over load, and over voltage protection. All
models are RoHS compliant and have UL60950-1 (2nd edition), IEC60950-1:2005 (2nd edition), and
EN60950-1:2006 safety approvals.
Size:
3.90 x 3.23 x 1.38 inches
99.0 x 82.0 x 35.0 mm
Weight:
11.3oz (320g)
MODEL SELECTION TABLE
Model Number
Input Voltage Range
PSPSD-50-5
Output Voltage
Output Current
Min
Max
Ripple & Noise (1)
Output Power
Efficiency
At 115VAC At 230VAC
5 VDC
0A
8A
80mVp-p
40W
79%
80%
12 VDC
0A
4.2A
120mVp-p
50W
84%
85%
15 VDC
0A
3.4A
120mVp-p
51W
85%
86%
PSPSD-50-24
24 VDC
0A
2.2A
200mVp-p
52.8W
86%
87%
PSPSD-50-48
48 VDC
0A
1.12A
200mVp-p
53.8W
88%
89%
PSPSD-50-12
90 ~ 264 VAC
(127 ~ 370 VDC)
PSPSD-50-15
NOTES
1. Ripple & noise is measured at 20MHz limited bandwidth and using a 12" twisted pair-wire terminated with a 0.1µF & 10µF capacitors in parallel.
2. The power supply is considered a component which will be installed into final equipment. The final equipment must be re-confirmed that it still
meets EMC directives.
3. DIN-35 rail bar accessories are available for this series. Please call factory for ordering details.
DERATING CURVE
100
Load (%)
80
60
40
20
-25
0
10
20
30
40
50
60
70
Ambient Temperature (°C)
10/09/2013
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797
website: www.wallindustries.com • e-mail: sales@wallindustries.com
Page 1 of 4
Wall Industries, Inc.
PSPSD-50 SERIES
Up to 53.8 Watts, AC/DC Switching Power Supplies
Rev A
SPECIFICATIONS: PSPSD-50 SERIES
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
264
370
63
1.5
20
40
VAC
VDC
Hz
A
INPUT SPECIFICATIONS
AC input voltage range
DC input voltage range
Input Voltage
90
127
47
Input Frequency
AC Current
At 115VAC and cold start
At 230VAC and cold start
Inrush Current
A
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Voltage Adjustability
Line Regulation
Load Regulation
Output Power
Output Current
Ripple & Noise
Hold-up Time
Setup Time
-3.0
-5
-0.5
-1.0
Low Line to High Line
0% to 100% full load
Measured at 20MHz BW and with 0.1µF and 10µF capacitors in parallel
At 115VAC and full load
At 230VAC and full load
At 115VAC and full load
At 230VAC and full load
Temperature Coefficient
Overshoot and Undershoot
See Table
+3.0
+10
+0.5
+1.0
See Table
See Table
See Table
%
%Vo
%
%
20
50
ms
2.0
1.5
+0.03
5.0
-0.03
ms
%/°C
%
PROTECTION
Short Circuit Protection
Over Voltage Protection
Over Load Protection
Long term mode, auto-recovery
105
150
%Vo
105
150
%Io
Constant voltage
Constant power
GENERAL SPECIFICATIONS
Efficiency
See Table
Primary to Secondary
Primary to PG
Secondary to PG
Withstand Voltage
Isolation Resistance
≤ 10mA
≤ 10mA
≤ 10mA
3000
1500
500
100
VDC
MΩ
Input to Output
Input to PG
Leakage Current
0.25
0.75
mA
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Cooling
MTBF
See derating curve
Non-condensing
Non-condensing
MIL-HDBK-217F; 25°C and full load
-25
-40
20
10
+70
+85
90
95
Free air convection
200,000
°C
°C
% RH
% RH
hours
PHYSICAL SPECIFICATIONS
Weight
Dimensions (L x W x H)
11.3oz (320g)
3.90 x 3.23 x 1.38 inches (99.0 x 82.0 x 35.0 mm)
SAFETY & EMC (See Note 2)
Safety Approvals
EMI Emission
Harmonic Current
EMC Immunity
10/09/2013
UL60950-1 (2nd edition), IEC60950-1:2005 (2nd edition), EN60950-1:2006
EN55022, EN55024 Class B
EN61000-3-2-3
EN61000-4-2,3,4,5,6,8,11; EN55024, EN61000-6-2 heavy industry level
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797
website: www.wallindustries.com • e-mail: sales@wallindustries.com
Page 2 of 4
PSPSD-50 SERIES
Up to 53.8 Watts, AC/DC Switching Power Supplies
Rev A
Wall Industries, Inc.
BLOCK DIAGRAM
EMI FILTER
I/P
RECTIFIERS
&
FILTER
POWER
SWITCHING
O.L.P.
PWM
CONTROL
RECTIFIERS
&
FILTER
+V
-V
FG
DETECTION
CIRCUIT
MECHANICAL DRAWING
Unit: inches (mm)
0.18 (4.5)
0.23 (5.8)
3.90 (99.0)
3.60 (91.5)
.5)
Ø3
4(
-V
4 - M3
0.14 (3.5)
R1
0.26
(6.7)
N
.75
0.26 (6.7)
1.44 (36.5)
L
0.38
(9.53)
3.23 (82.0)
+V
0.32
(8.1)
.1
Ø0
2.17 (55.0)
0.81 (20.5)
3.60 (91.5)
0.12 (3.0)
3.43 (87.0)
0.22 (5.5)
Customer plate
0.06 (1.5)
SMPS Cover
0.14 (3.5)
0.20 (5.0)
2.91 (74.0)
0.51 (13.0)
1.10 (28.0)
Assembly Screw
0.69 (17.5)
1.10 (28.0)
1.38 (35.0)
R1.75
L
L ≤ 4mm
DIN-35 rail bar accessories are available for this series. Please call factory for ordering details.
10/09/2013
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797
website: www.wallindustries.com • e-mail: sales@wallindustries.com
Page 3 of 4
Wall Industries, Inc.
Rev A
PSPSD-50 SERIES
Up to 53.8 Watts, AC/DC Switching Power Supplies
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development engineers will
provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008 certification is just one
example of our commitment to producing a high quality, well-documented product for our customers.
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working closely with its
customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to provide ongoing
support for your project above and beyond the design and production phases. Give us a call today to discuss your future projects.
Contact Wall Industries for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
10/09/2013
(603)778-2300
(888)597-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
37 Industrial Drive
Exeter, NH 03833
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797
website: www.wallindustries.com • e-mail: sales@wallindustries.com
Page 4 of 4