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TECHNICAL DATASHEET
Rev. A
DCBOA-48S05UW5
4:1 Ultra Wide Input Voltage Range: 18~75VDC
5VDC Single Output at 1000mA
24-Pin DIP Package with Industry Standard Footprint
5 Watt Isolated DC/DC Power Converter
FEATURES
 5VDC Single Output
 4:1 Ultra Wide Input Voltage Range: 18~75VDC
 High Power Density
 5 Watts Output Power
 1500VDC I/O Isolation
 No Minimum Load Requirement
 High Efficiency
 Over Voltage and Short Circuit Protection
APPLICATIONS
 Distributed Power Systems
 Telecommunication Applications
 Battery Powered Equipment
 Industrial Applications
 Process Control Equipment
 Transportation Equipment
 Shielded Metal Case with Insulated Base-plate
 24-Pin DIP Package with Industry Standard Footprint
 Dimensions: 1.25” x 0.80” x 0.40”
 Lead Free Design, RoHS Compliant
 Wide Operating Temperature Range: -40°C to +85°C
DESCRIPTION
The DCBOA-48S05UW5 is an isolated DC/DC power converter that provides 5 Watts of continuous output
power in an industry standard 24-Pin DIP package and footprint. This model has a 5VDC single output and a 4:1
ultra wide input voltage range of 18-75VDC. Some features include 79% high efficiency, 1500VDC I/O
isolation, and no minimum load requirement. The DCBOA-48S05UW5 is RoHS compliant and has over voltage
and short circuit protection. This converter is best suited for use in distributed power systems, battery powered
equipment, process control equipment, transportation equipment, and telecommunication and industrial
applications.
10/01/2012
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 4
Rev. A
TECHNICAL SPECIFICATIONS
TECHNICAL DATASHEET
DCBOA-48S05UW5
MODEL NO: DCBOA-48S05UW5
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
INPUT SPECIFICATIONS
Input Voltage Range
Maximum Surge Voltage (100ms)
Min
Nom
Max
Unit
18
48
75
100
VDC
VDC
Vin = 48VDC, no load
Vin = 48VDC, full load
Vin = 48VDC, output shorted
Input Current
5
139
23
OUTPUT SPECIFICATIONS
Output Voltage
5
4.9
-2%
Voltage Accuracy
Output Current
Minimum Load
Maximum Capacitive Load
Line Regulation
Load Regulation
Output Power
Ripple & Noise
Temperature Coefficient
DYNAMIC CHARACTERISTICS
Transient Response Overshoot
Transient Response Settling Time
Start-up Time
Switching Frequency
PROTECTION
Over Voltage Protection
Short Circuit Protection
GENERAL SPECIFICATIONS
Efficiency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Maximum Case Surface Temperature
Relative Humidity
Cooling
MTBF
PHYSICAL SPECIFICATIONS
Case Material
Base Material
Potting Material
Weight
10/01/2012
5.1
+2%
1000
0
5460
±0.5
±1
5
80
±0.02
LL to HL at full load
Unbalanced load 25% to 100% full load
0
20MHz Bandwidth
di/dt=0.8A/µs
50% load step change
Vin = 48VDC, full load
±5
200
500
300
VDC
VDC
%
mA
mA
µF
%
%
W
mVp-p
%/°C
% of Vo
µs
ms
KHz
6.2
VDC
Continuous; automatic recovery
Vin=48VDC, full load
Input to Output
Input to Output (500VDC)
Input to Output
With derating (see derating curve)
Dimensions (L x W x H)
Soldering Temperature
mA
Lead-free wave soldering
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
79
1500
109
300
-40
-55
+85
+105
+100
95
Free air convection
2,400,000 hours
%
VDC
Ω
pF
°C
°C
°C
% RH
Nickel-coated copper
Non-conductive black plastic
Silicon rubber (UL94V-0)
0.59oz (17.2g)
1.25 x 0.80 x 0.40 inches
(31.8 x 20.3 x 10.2 mm)
260°C/10s (max)
Page 2 of 4
TECHNICAL DATASHEET
DCBOA-48S05UW5
Rev. A
DERATING CURVE
120
Output Power (%)
100
80
60
40
20
0
-40
-20
0
20
40
60
71
80
100
120
Ambient Temperature (°C)
CHARACTERISTICS
Output Current vs Efficiency
85
80
80
75
75
Efficiency (%)
Efficiency (%)
Input Voltage vs Efficiency
85
70
65
60
55
65
60
55
50
50
45
70
18
24
30
36
42
48
54
60
66
45
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00
75
Output Current (A)
Input Voltage (VDC)
MECHANICAL DRAWING
0.10
(2.54)
0.80 (20.32)
1
2
3
16
9
14
11
0.60 (15.24)
0.20
(5.08)
Ø0.02 (Ø0.50)
10/01/2012
22
23
1.25 (31.75)
1.00 (25.40)
0.10
(2.54)
0.07
(1.91)
Unit: inches (mm)
0.15
(3.80) 0.40 (10.16)
0.60 (15.24)
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
PIN CONNECTIONS
Pin
Single
1
No Pin
2
-Vin
3
-Vin
9
No Pin
11
No Function
14
+Vout
16
-Vout
22
+Vin
23
+Vin
Tolerance: ±0.02 (±0.5)
Page 3 of 4
Rev. A
TECHNICAL DATASHEET
DCBOA-48S05UW5
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:
10/01/2012
(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 4 of 4