Wall Industries, Inc.
Rev A
DCBOB5 SERIES
Up to 6 Watts, DC/DC Power Converters
FEATURES
Single and Dual Outputs
5 Watts Output Power
Remote On/Off Control
3000VDC I/O Isolation
High Efficiency up to 83%
Lead Free Design, RoHS Compliant
Meets EN55022, Class A (Radiation)
Size:
1.25 x 0.80 x 0.40 inches
31.75 x 20.32 x 10.16 mm
4:1 Input Voltage Ranges: 9-36VDC and 18-75VDC
Shielded Metal Case with Insulated Base-plate
-40°C to +85°C Operating Temperature Range
24-Pin DIP Package with Industry-Standard Footprint
Short Circuit, Over Voltage, and Over Load Protection
Free Air Convection
Custom Designs Available
DESCRIPTION
The DCBOB5 series of isolated DC/DC power converters provides up to 6 Watts of continuous
output power in an industry standard 1.25” x 0.80” x 0.40” shielded metal case. This series consists
of single and dual output models with 4:1 input voltage ranges of 9-36VDC and 18~75VDC. Some
features include high efficiency up to 83%, 3000VDC I/O isolation, remote on/off control, and -40°C
to +85°C operating temperature range. The DCBOB5 series is RoHS compliant and has short circuit,
over load, and over voltage protection. These converters are best suited for use in battery powered
equipment, industrial applications, process control equipment, distributed power systems, and
anywhere where isolated, tightly regulated voltages and compact size are required.
APPLICATIONS
Battery Powered Equipment
Telecommunication Applications
Industrial Applications
Distributed Power Systems
Process Control Equipment
Transportation Equipment
MODEL SELECTION TABLE
SINGLE OUTPUT MODELS
Model Number
DCBOB24S33-5H
DCBOB24S05-5H
DCBOB24S12-5H
DCBOB24S15-5H
DCBOB48S33-5H
DCBOB48S05-5H
DCBOB48S12-5H
DCBOB48S15-5H
48 VDC
(18 – 75 VDC)
24 VDC
(9 – 36 VDC)
Input Voltage
Output
Voltage
3.3 VDC
5 VDC
12 VDC
15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
Output
Voltage
±5 VDC
±12 VDC
±15 VDC
±5 VDC
±12 VDC
±15 VDC
Output Current
Min Load
(1)
Full Load
38mA
0mA
0mA
0mA
49mA
0mA
0mA
0mA
1200mA
1000mA
500mA
400mA
1200mA
1000mA
500mA
400mA
Input Current
No Load
Full Load
7mA
12mA
8mA
9mA
4mA
7mA
5mA
5mA
226mA
274mA
316mA
320mA
113mA
137mA
160mA
158mA
Output
Power
4W
5W
6W
6W
4W
5W
6W
6W
Output
Power
5W
6W
6W
5W
6W
6W
Efficiency
77%
80%
83%
82%
77%
80%
82%
83%
Maximum
Capacitive Load
820μF
680μF
220μF
147μF
820μF
680μF
220μF
147μF
Maximum
Capacitive Load
±330μF
±100μF
±68μF
±330μF
±100μF
±68μF
DUAL OUTPUT MODELS
Model Number
DCBOB24D05-5H
DCBOB24D12-5H
DCBOB24D15-5H
DCBOB48D05-5H
DCBOB48D12-5H
DCBOB48D15-5H
NOTES
1. Output current under this value will not damage these devices; however, they may not meet all listed specifications.
Input Voltage
24 VDC
(9 – 36 VDC)
48 VDC
(18 – 75 VDC)
Output Current
Min Load
Full Load
0mA
0mA
0mA
0mA
0mA
0mA
±500mA
±250mA
±200mA
±500mA
±250mA
±200mA
Input Current
No Load
Full Load
12mA
12mA
14mA
6mA
7mA
8mA
274mA
320mA
320mA
137mA
160mA
158mA
Efficiency
80%
82%
82%
80%
82%
83%
02/26/2013
Wall Industries, Inc. • 5 Watson Brook Road, 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.
Rev A
DCBOB5 SERIES
Up to 6 Watts, DC/DC Power Converters
TECHNICAL SPECIFICATIONS: DCBOB5 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
INPUT SPECIFICATIONS
Input Voltage Range
Input Surge Voltage (100ms max)
Input Reflected Ripple Current
Input Current
Input Filter
Remote On/Off
Sourcing Current of Remote Control Pin
Idle Input Current (at Remote OFF State)
TEST CONDITIONS
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
Nominal Vin and full load
Min
9
18
Nom
24
48
Max
36
75
50
100
Unit
VDC
VDC
Converter ON
Converter OFF
Nominal Vin
Nominal Vin
76
mAp-p
See Table
Pi Type
Open or 3.5V < Vr < 12V
Short to -Vin (Pin 2,3) or 0V < Vr < 1.2V
0.2
mA
2.5
mA
See Table
+2
See Table
See Table
See Table
500
+0.5
+1
+1
+5
6
80
±0.02
±5
860
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Output Current
Minimum Load
Capacitive Load
Start-up Time
Line Regulation
Load Regulation
Output Power
Ripple & Noise
Temperature Coefficient
Transient Response Overshoot
Transient Response Settling Time
Full load and nominal Vin
-2
%
Nominal Vin and constant resistive load
LL to HL at full load
Single output models
25% load to full load
Balanced output
Dual output models
Unbalanced load 25% to full load
20MHz bandwidth
di/dt=0.8A/μs
50% load step change
3.3VDC output models
5VDC output models
12VDC output models
15VDC output models
% of full load
Nominal input
500VDC
-0.5
-1
-1
-5
ms
%
%
W
mVp-p
%/°C
% of Vo
μs
PROTECTION
Over Voltage Protection
Short Circuit Protection
Over Load Protection
Zener Diode Clamp
3.9
6.2
VDC
15
18
continuous, automatic recovery
120
%
See Table
3000
1
270
300
With derating (see derating curve)
-40
-55
5
+85
+100
+105
95
Free air convection
2,400,000 hours
VDC
GΩ
pF
KHz
°C
°C
°C
% RH
GENERAL SPECIFICATIONS
Efficiency
Isolation Voltage (Input to Output)
Isolation Resistance (Input to Output)
Isolation Capacitance
Switching Frequency
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Maximum Case Temperature
Storage Temperature
Relative Humidity
Cooling
MTBF
PHYSICAL SPECIFICATIONS
Case Material
Base Material
Potting Material
Weight
Dimensions (L x W x H)
Nickel-coated copper
Non-conductive black plastic
Silicon rubber (UL94V-0)
0.61oz (17.2g)
1.25 x 0.80 x 0.40 inches (31.75 x 20.32 x 10.16 mm)
02/26/2013
Wall Industries, Inc. • 5 Watson Brook Road, 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
Wall Industries, Inc.
Rev A
DCBOB5 SERIES
Up to 6 Watts, DC/DC Power Converters
DERATING
DCBOB5 Series Derating Curve
120
100
Output Power (%)
80
60
40
20
0
-40
-20
0
20
40
60
71
80
100
120
Ambient Temperature (°C)
EFFICIENCY
DCBOB48S05-5H Efficiency vs Input Voltage
85
80
75
70
65
60
55
50
45
18
24
30
36
42
48
54
60
66
75
DCBOB48S05-5H Efficiency vs Output Current
85
80
75
Efficiency (%)
Input Voltage (VDC)
Efficiency (%)
70
65
60
55
50
45
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00
Output Current (A)
CHARACTERISTICS
Transient Response at 50%~100% Max Load
Loop Gain & Phase at Vin=48VDC, Full Load
02/26/2013
Wall Industries, Inc. • 5 Watson Brook Road, 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
DCBOB5 SERIES
Up to 6 Watts, DC/DC Power Converters
MECHANICAL DRAWING
Unit: inches (mm)
0.07
(1.91)
0.10
(2.54)
0.80 (20.32)
1
0.10
(2.54)
23
2
PIN CONNECTIONS
PIN
1
2
3
9
11
14
16
22
23
1.25 (31.75)
SINGLE
Remote On/Off
-Vin
-Vin
No Pin
No Function
+Vout
-Vout
+Vin
+Vin
DUAL
Remote On/Off
-Vin
-Vin
Common
-Vout
+Vout
Common
+Vin
+Vin
BOTTOM VIEW
22
3
1.00 (25.40)
0.60 (15.24)
0.20
(5.08)
16
14
9
11
0.15
Ø0.02 (Ø0.50)
(3.80) 0.40 (10.16)
Tolerance: ±0.02 (±0.5)
0.60 (15.24)
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:
(603)778-2300
(888)597-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
02/26/2013
Wall Industries, Inc. • 5 Watson Brook Road, 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
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