Wall Industries, Inc.
Rev B
DCBUB12 SERIES
Up to 12 Watts DC/DC Power Converters
FEATURES
Single and Dual Outputs
Up to 12 Watts Output Power
Remote On/Off Control
1500VDC I/O Isolation
High Efficiency up to 87%
Lead Free Design, RoHS Compliant
Free Air Convection
Size:
2.0 x 1.0 x 0.4 inches
50.8 x 25.4 x 10.2 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
Industry Standard 2.0” x 1.0” x 0.4” DIP Package
Short Circuit, Over Voltage, and Over Load
Protection
Custom Designs Available
DESCRIPTION
The DCBUB12 series of isolated DC/DC power converters provides up to 12 Watts of continuous
output power in a 2.0” x 1.0” x 0.4” 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 87%, 1500VDC I/O isolation, remote on/off control, and -40°C to +85°C
operating temperature range. The DCBUB12 series is RoHS compliant and has short circuit, over
load, and over voltage protection. These converters are best suited for use in battery operated
equipment, measurement equipment, telecom, wireless networks, industry control systems, and
anywhere where isolated, tightly regulated voltages and compact size are required.
APPLICATIONS
Battery Operated Equipment
Telecom
Industry Control Systems
Wireless Networks
Measurement Equipment
MODEL SELECTION TABLE
SINGLE OUTPUT MODELS
Model Number
DCBUB12-24S33
DCBUB12-24S05
DCBUB12-24S12
DCBUB12-24S15
DCBUB12-48S33
DCBUB12-48S05
DCBUB12-48S12
DCBUB12-48S15
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
203mA
73mA
0mA
18mA
243mA
89mA
33mA
18mA
2400mA
2000mA
1000mA
800mA
2400mA
2000mA
1000mA
800mA
Input Current
No Load
Full Load
5.4mA
6.3mA
14.2mA
9.1mA
3.6mA
5.6mA
6.6mA
5.6mA
438mA
543mA
615mA
613mA
221mA
269mA
303mA
303mA
Output
Power
8W
10W
12W
12W
8W
10W
12W
12W
Output
Power
10W
12W
12W
10W
12W
12W
Efficiency
80%
81%
85%
86%
80%
81%
87%
87%
Maximum
Capacitive Load
8260μF
8800μF
530μF
347μF
10550μF
13720μF
730μF
330μF
Maximum
Capacitive Load
±1800μF
±200μF
±147μF
±2600μF
±270μF
±147μF
DUAL OUTPUT MODELS
Model Number
DCBUB12-24D05
DCBUB12-24D12
DCBUB12-24D15
DCBUB12-48D05
DCBUB12-48D12
DCBUB12-48D15
Input Voltage
24 VDC
(9 – 36 VDC)
48 VDC
(18 – 75 VDC)
Output Current
Min Load
(1)
Full Load
33mA
13mA
9mA
33mA
18mA
9mA
±1000mA
±500mA
±400mA
±1000mA
±500mA
±400mA
Input Current
No Load
Full Load
7.5mA
13.4mA
9.9mA
5.3mA
7mA
6.2mA
531mA
606mA
612mA
261mA
302mA
304mA
Efficiency
83%
87%
86%
84%
87%
86%
NOTES
1. Output current under this value will not damage these devices; however, they may not meet all listed specifications.
01/14/2013
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 B
DCBUB12 SERIES
Up to 12 Watts DC/DC Power Converters
TECHNICAL SPECIFICATIONS: DCBUB12 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
186
mAp-p
See Table
Pi Type
Open or 3.5V < Vr < 12V
Short to -Vin (Pin 2) or 0V < Vr < 1.2V
0.2
mA
3
mA
See Table
+1
See Table
See Table
See Table
350
+0.5
+0.5
+0.5
+5
12
75
±0.02
±5
300
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Output Current
Minimum Load
Maximum 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
-1
%
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
-0.5
-0.5
-0.5
-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
150
%
See Table
1500
1
220
300
With derating (see derating curve)
-40
-55
5
+85
+100
+105
95
Free air convection
1,960,000 hours
VDC
GΩ
pF
KHz
°C
°C
°C
% RH
% of full load at nominal input
Nominal input
Input to Output
500VDC
GENERAL SPECIFICATIONS
Efficiency
Isolation Voltage (Input to Output)
Isolation Resistance (Input to Output)
Isolation Capacitance
Switching Frequency
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Maximum Case Surface 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)
1.06oz (30g)
2.0 x 1.0 x 0.4 inches (50.8 x 25.4 x 10.2 mm)
01/14/2013
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 B
DCBUB12 SERIES
Up to 12 Watts DC/DC Power Converters
DERATING
DCBUB12-48S05 Derating Curve
120
100
Output Power (%)
80
60
40
20
0
-40
71
-20
0
20
40
60
80
100
120
Ambient Temperature (°C)
EFFICIENCY
DCBUB12-48S05 Efficiency vs Input Voltage
90
85
80
Efficiency (%)
Efficiency (%)
DCBUB12-48S05 Efficiency vs Output Current
90
85
80
75
70
65
60
55
75
70
65
60
55
50
18
24
30
36
42
48
54
60
66
75
50
0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
Output Current (A)
Input Voltage (VDC)
CHARACTERISTICS
Transient Response at 50%~100% Max Load
Loop Gain & Phase at Vin=48VDC, Full Load
01/14/2013
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 B
DCBUB12 SERIES
Up to 12 Watts DC/DC Power Converters
MECHANICAL DRAWING
Unit: inches (mm)
2.0 (50.8)
3
0.3
0.2
0.3
(7.62) (5.08) (7.62)
1
4
2
Bottom View
6
5
0.8 (20.32)
Pin
1
2
3
4
5
6
PIN CONNECTIONS
Single
Dual
+Vin
+Vin
-Vin
-Vin
+Vout
+Vout
No Pin
Common
-Vout
-Vout
Remote On/Off
(Optional)
Remote On/Off
(Optional)
0.4 (10.16) 0.4 (10.16)
1.0 (25.4)
0.1
(2.5)
0.6 (15.2)
NOTES
1. Tolerance: ±0.02 (±0.5)
2. Case Material: nickel-coated copper
3. Base Material: non-conductive black plastic
4. Potting Material: silicon rubber (UL94V-0)
5. Weight: 1.06oz (30g)
6. All dimensions are for reference only
0.2
0.4 (10.16) (5.08)
Ø0.04 (Ø1.0)
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
01/14/2013
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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