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DATASHEET
Rev. B
PSPDF-320 SERIES
88~264VAC (124~370VDC) Input Voltage Range
Single Outputs, PFC Function
Up to 321.6 Watts Output Power
AC/DC Switching Power Supplies
FEATURES
 Single Outputs
 Up to 321.6W Output Power
 RoHS Compliant
 100% Full Load Burn-in Tested
 Built-in Fan
 Output Voltages Available from 3.3VDC to 48VDC
 Built-in PFC Function, PF > 0.95
 Output Voltage Adjustability
 Universal Input Voltage Range (Full Range)
 Wide Operating Temperature Range (-20°C to +65°C)
 High Efficiency and High Reliability
 Dimensions: 8.92” x 4.53” x 1.97” enclosed
 All Using 105°C Long Life Electrolytic Capacitors
 Short Circuit, Over Voltage, Over Load, and Over
 PCB Soldering Side with Conformal Coating
Temperature Protection
DESCRIPTION
The PSPDF-320 series of AC/DC switching power supplies offers up to 321.6 Watts of output power in a 8.92” x 4.53” x
1.97” enclosed case. All models have a single output and a universal input voltage range of 88~264VAC (124~370VDC).
Some features include ±10% output adjustability, PFC > 0.93 at 230VAC, built-in fan, and a wide operating temperature
range of -20°C to +65°C. These supplies also have short circuit, over load, over voltage, and over temperature protection.
All models are RoHS compliant and have UL/cUL, CB, and CE safety approvals. These supplies are 100% full load burnin tested.
03/02/2012
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 5
PSPDF-320 Series
Up to 321.6 Watts
Single Output, PFC Function
AC/DC Switching Power Supply
Rev. B
SPECIFICATIONS: PSPDF-320 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
Nom
Max
Unit
264
370
30
50
63
VAC
VDC
INPUT SPECIFICATIONS
Input Voltage Range
Inrush Current
AC input voltage range
DC input voltage range
At 115VAC and cold start
At 230VAC and cold start
88
124
Input Frequency
Power Factor
47
0.98
0.95
At 115VAC
At 230VAC
AC Current
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Load Regulation
3.3V, 4V, 5V, & 7.5V output models
12V, 24V 28V, 36V, & 48V output models
-2.0
-1.0
3.3V, 4V, 5V, & 7.5V output models
12V output model
24V, 28V, 36V, & 48V output models
3.3V, 4V, 5V, & 7.5V output models
12V, 24V 28V, 36V, & 48V output models
-0.5
-0.3
-0.2
-1.0
-0.5
Output Current
Output Power
Ripple & Noise (See Note 1)
Set-up Time
Hold-up Time
Overshoot
Temperature Coefficient
PROTECTION
Over Load Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
GENERAL SPECIFICATIONS
Efficiency
Withstand Voltage
At 115VAC and Full load
At 230VAC and Full load
3.3V, 4V, & 5V output models
7.5V, 12V, 24V, 28V, 36V, 48V output models
At 230VAC and full load
A
See Table
+2.0
+1.0
See Table
+0.5
+0.3
+0.2
+1.0
+0.5
See Table
See Table
See Table
2.5
1.2
%
%
%
s
ms
5.0
+0.03
%
%/°C
Hiccup mode, automatic recovery
Hiccup mode, automatic recovery
105
135
% Io
110
150
% Vo
Long-term mode, automatic recovery
85°C±5°C (detect on heatsink of power transistor); shutdown, automatic recovery after the temperature goes down
See Table
Primary to Secondary
Primary to PG
Secondary to PG
≤ 10mA
Input to Output
Input to PG
VAC
MΩ
mA
-20
+65
°C
20
90
% RH
-40
+85
°C
10
95
% RH
Forced air cooling (Built-in fan)
300,000
hours
Approx. 2.56 lbs (1160g)
8.92 x 4.53 x 1.97 inches
(226.5 x 115 x 50 mm)
Dimensions (L x W x H)
SAFETY & EMC CHARACTERISTICS (See Note 2)
Safety Standards
EMI Conduction and Radiation
Harmonic Current
EMS Immunity
3000
1500
500
100
0.1
0.75
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Operating Humidity
non-condensing
Storage Temperature
Storage Humidity
non-condensing
Cooling Method
MTBF
At 25°C and full load
PHYSICAL SPECIFICATIONS
Weight
03/02/2012
VAC
14
16
-0.03
Isolation resistance
Leakage Current
Hz
4.0
Voltage Adjustment Range
Line Regulation
A
UL60950-1; EN60950-1: 2006
Compliance to EN55022 (CISPR22) Class B
Compliance to EN61000-3-2, 17625.1-2003
Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, light industry level, criteria A
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 5
PSPDF-320 Series
Up to 321.6 Watts
Single Output, PFC Function
AC/DC Switching Power Supply
Rev. B
MODEL SELECTION TABLE
Model Number
Input Voltage
PSPDF-320-3.3
Output
Voltage
Voltage
Adjustment
Output
Current
3.3 VDC
3.1~3.6V
60A
Ripple & Noise (1)
-20°C
0-65°C
180mVp-p 150mVp-p
Output
Power
198W
Efficiency
115VAC 230VAC
72%
77%
PSPDF-320-4
4 VDC
3.7~4.3V
60A
180mVp-p
150mVp-p
240W
73%
78%
PSPDF-320-5
5 VDC
4.4~5.3V
60A
180mVp-p
150mVp-p
300W
73%
79%
7.5 VDC
6.6~8.4V
40A
180mVp-p
150mVp-p
300W
77%
83%
12 VDC
10.5~13.3V
25A
180mVp-p
150mVp-p
300W
78%
86%
24 VDC
19.7~26.4V
13A
180mVp-p
150mVp-p
312W
79%
87%
PSPDF-320-28
28 VDC
25.7~30.4V
11A
180mVp-p
150mVp-p
308W
79%
87%
PSPDF-320-36
36 VDC
33.2~38.4V
8.8A
200mVp-p
200mVp-p
316.8W
80%
87%
PSPDF-320-48
48 VDC
41.5~53.1V
6.7A
240mVp-p
240mVp-p
321.6W
81%
88%
PSPDF-320-7.5
88~264 VAC
or
120~370 VDC
PSPDF-320-12
PSPDF-320-24
NOTES
1. Ripple & noise is measured at 20MHz bandwidth by using a 12" twisted pair-wire terminated with 0.1μF and 47μF
capacitors in parallel.
2. The SPS is considered a component which will be installed into final equipment. The final equipment must be
re-confirmed that it still meets EMC directives.
BLOCK DIAGRAM
FAN SPEED
CONTROL
EMI
FILTER
I/P
ACTIVE INRUSH
CURRENT LIMITING
RECTIFIERS
POWER
SWITCHING
RECTIFIERS
& FILTER
FG
PFC&PWM
CONTROL
O.V.P.
O.L.P.
DERATING CURVE
STATIC CHARACTERISTICS
100
Others
LOAD (%)
LOAD (%)
80
60
3.3V, 5V
40
20
0
10
20
30
40
50
60
AMBIENT TEMPERATURE (°C)
03/02/2012
+V
-V
DETECTION
CIRCUIT
O.L.P.
-20
FAN
70 (HORIZONTAL)
Ta=25°C
100
300
90
250
80
200
70
150
60
100
40
50
20
25
88
90
95
100 115 135 155 175 195
230 264
INPUT VOLTAGE (VAC) 60Hz
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 5
PSPDF-320 Series
Up to 321.6 Watts
Single Output, PFC Function
AC/DC Switching Power Supply
Rev. B
MECHANICAL DRAWING
Unit: inches (mm)
8.92 (226.5)
5.91 (150.0)
1.26 (32.0)
RV1
4.53 (115.0)
-V
-V
-V
1.97 (50.0)
+V
+V
+V
S1
L
N
4-M4.0
0.98 (25.0)
0.26 (6.5)
1.96 (49.7)
0.47
(12.0)
Terminal Block
M3.5 Screws 9X
6-M4.0
5.91 (150.0)
customer plate
1.28 (32.5)
SMPS Cover
Assembly Screw
L ≤ 4mm
03/02/2012
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 5
Rev. B
PSPDF-320 Series
Up to 321.6 Watts
Single Output, PFC Function
AC/DC Switching Power Supply
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:
03/02/2012
(603)778-2300
(888)587-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 5 of 5