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DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
Rev C
Size: 0.77in x 0.39in x 0.50in (19.5mm x 12.5mm x 9.8mm)
OPTIONS
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•
•
•
FEATURES
Output Voltage
Input Voltage
Single or Dual Output
8KVDC I/O Isolation
APPLICATIONS
•
•
•
•
•
•
•
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•
•
7-Pin SIP Package: 0.77” x 0.39” x 0.50”
High Efficiency up to 85%
-40ºC to +85ºC Operating Temperature Range
6.4KVDC I/O Isolation
Optional 8KVDC I/O Isolation Available (Suffix “H8”)
MTBF: 2,000,000 hours
EN 60950-1, IEC 60950-1, EN 60601-1, IEC 60601-1 Medical
Approvals
DESCRIPTION
Battery Operated Equipment
Measurement Equipment
Telecom
Wireless Networks
Industry Control Systems
5/9/2016
• 5, 12, 15, & 24VDC Nominal Input
Voltages
• 2 Watts of Output Power
• RoHS Compliant
• UL94V-0 Compliant
• No Minimum Load Requirement
• Non-Regulated Single and Dual
Outputs
The DCHBA2 series of isolated medical DC/DC power converters provides 2 Watts of continuous output
power in a 0.77” x 0.39” x 0.50” 7-pin SIP package. This series consists of non-regulated single and dual
output models with 5, 12, 15, and 24VDC nominal input voltages. Some features include high efficiency up
to 85%, 6.4KVDC I/O isolation (8KVDC optional), -40°C to +85°C operating temperature range, and no
minimum load requirement. The DCHBA2 series is RoHS and UL94V-0 compliant. These converters have
EN 60950-1, IEC 60950-1, EN 60601-1 and IEC 60601-1 medical approvals and are best suited for use in
battery operated equipment, measurement equipment, telecom, wireless networks, industry control
systems, and anywhere where isolated and compact size are required.
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 7
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
Rev C
MODEL SELECTION TABLE
Single Output Models
Model Number(1)
Input Voltage
Range
DCHBA2-5S33H6
DCHBA2-5S05H6
DCHBA2-5S72H6
5VDC
(4.5~5.5VDC)
DCHBA2-5S09H6
DCHBA2-5S12H6
DCHBA2-5S15H6
DCHBA2-12S33H6
DCHBA2-12S05H6
DCHBA2-12S72H6
12VDC
DCHBA2-12S09H6 (10.8-13.2VDC)
DCHBA2-12S12H6
DCHBA2-12S15H6
DCHBA2-15S33H6
DCHBA2-15S05H6
DCHBA2-15S72H6
15VDC
DCHBA2-15S09H6 (13.5~16.5VDC)
DCHBA2-15S12H6
DCHBA2-15S15H6
DCHBA2-24S33H6
DCHBA2-24S05H6
DCHBA2-24S72H6
24VDC
DCHBA2-24S09H6 (21.6~26.4VDC)
DCHBA2-24S12H6
DCHBA2-24S15H6
Output
Voltage
3.3VDC
5VDC
7.2VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.2VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.2VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.2VDC
9VDC
12VDC
15VDC
Input Current
No Load
Full Load
550mA
541mA
526mA
70mA
513mA
513mA
513mA
223mA
219mA
213mA
30mA
211mA
211mA
211mA
178mA
175mA
171mA
25mA
169mA
167mA
165mA
111mA
110mA
113mA
20mA
113mA
113mA
111mA
Ripple & Noise
200mVp-p
200mVp-p
200mVp-p
200mVp-p
Output Current Output Maximum Capacitive
@Full Load
Power
Load(2)
600mA
3300µF
400mA
1200µF
278mA
1200µF
2W Max.
222mA
1200µF
167mA
680µF
132mA
680µF
600mA
3300µF
400mA
1200µF
278mA
1200µF
2W Max.
222mA
1200µF
167mA
680µF
132mA
680µF
600mA
3300µF
400mA
1200µF
278mA
1200µF
2W
222mA
1200µF
167mA
680µF
132mA
680µF
600mA
3300µF
400mA
1200µF
278mA
1200µF
2W
222mA
1200µF
167mA
680µF
132mA
680µF
Efficiency(3)
76%
78%
80%
82%
82%
82%
78%
80%
82%
83%
83%
83%
78%
80%
82%
83%
84%
85%
78%
80%
78%
78%
78%
79%
MODEL SELECTION TABLE
Dual Output Models
Model Number
DCHBA2-5D33H6
DCHBA2-5D05H6
DCHBA2-5D72H6
DCHBA2-5D09H6
DCHBA2-5D12H6
DCHBA2-5D15H6
DCHBA2-12D33H6
DCHBA2-12D05H6
DCHBA2-12D72H6
DCHBA2-12D09H6
DCHBA2-12D12H6
DCHBA2-12D15H6
DCHBA2-15D33H6
DCHBA2-15D05H6
DCHBA2-15D72H6
DCHBA2-15D09H6
DCHBA2-15D12H6
DCHBA2-15D15H6
DCHBA2-24D33H6
DCHBA2-24D05H6
DCHBA2-24D72H6
DCHBA2-24D09H6
DCHBA2-24D12H6
DCHBA2-24D15H6
5/9/2016
Input Voltage
Range
5VDC
(4.5~5.5VDC)
12VDC
(10.8-13.2VDC)
15VDC
(13.5~16.5VDC)
24VDC
(21.6~26.4VDC)
Output
Voltage
±3.3VDC
±5VDC
±7.2VDC
±9VDC
±12VDC
±15VDC
±3.3VDC
±5VDC
±7.2VDC
±9VDC
±12VDC
±15VDC
±3.3VDC
±5VDC
±7.2VDC
±9VDC
±12VDC
±15VDC
±3.3VDC
±5VDC
±7.2VDC
±9VDC
±12VDC
±15VDC
Output Current
Output Current
Ripple & Noise
@Full Load
Min Load Max Load
535mA
±300mA
526mA
±200mA
526mA
±139mA
70mA
200mVp-p
519mA
±111mA
519mA
±85mA
513mA
±66mA
217mA
±300mA
213mA
±200mA
211mA
±139mA
30mA
200mVp-p
208mA
±111mA
208mA
±85mA
206mA
±66mA
174mA
±300mA
171mA
±200mA
169mA
±139mA
25mA
200mVp-p
167mA
±111mA
167mA
±85mA
165mA
±66mA
113mA
±300mA
110mA
±200mA
114mA
±139mA
20mA
200mVp-p
113mA
±111mA
110mA
±85mA
111mA
±66mA
Output
Power
2W
2W
2W
2W
Maximum
Capacitive Load
±1500µF
±470µF
±470µF
±470µF
±330µF
±330µF
±1500µF
±470µF
±470µF
±470µF
±330µF
±330µF
±1500µF
±470µF
±470µF
±470µF
±330µF
±330µF
±1500µF
±470µF
±470µF
±470µF
±330µF
±330µF
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
Efficiency
78%
80%
80%
81%
81%
82%
80%
82%
83%
84%
84%
85%
80%
82%
83%
84%
84%
85%
77%
80%
77%
78%
80%
79%
Page 2 of 7
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
Rev C
SPECIFICATIONS
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
INPUT SPECIFICATIONS
5VDC nominal input models
12VDC nominal input models
15VDC nominal input models
24VDC nominal input models
Input Voltage Range
Input Filter
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Line Regulation
Nominal Vin and Full Load
For Vin change of 1%
Load Regulation
10% Load to Full Load
Output Power
Output Current
Minimum Load
Maximum Capacitive Load
Ripple & Noise (20MHz bandwidth)
Voltage Balance
PROTECTION
Short Circuit Protection
ENVIRONMENTAL SPECIFICATIONS
Operating Ambient Temperature
Storage Temperature
Maximum Case Temperature
Relative Humidity
Reliability, calculated MTBF
GENERAL SPECIFICATIONS
Efficiency
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
PHYSICAL SPECIFICATIONS
Weight
4.5
10.8
13.5
21.6
5
5.5
12
13.2
15
16.5
24
26.4
Capacitor
VDC
See Table
±5
±1.5
20
15
10
2
See Table
3.3V models
5V models
All other models
%
%
%
W
0
A
See Table
200
±1
Dual Output
mVp-p
%
1 Second
-40
-55
+85
+125
+95
95
2,000,000
Nominal Input and Full Load
Input to Output
500VDC
ºC
ºC
ºC
% RH
hours
See Table
80
Test duration 1 second
kHz
VDC
GΩ
pF
6400
10
10
0.15oz (4.3g) typ.
0.77in x 0.50in x 0.39in
(19.5mm x 12.5mm x 9.8mm)
Plastic (UL94 V-0)
Epoxy (UL94 V-0)
Dimensions (L x W x H)
Case Material
Potting Material
SAFETY & EMC CHARACTERISTICS
IEC 60950-1
EN 60950-1
IEC 60601-1
EN 60601-1
Safety Approvals
NOTES
(1)
(2)
(3)
For 8KVDC I/0 isolation replace the “H6” suffix in the model number with “H8” (Ex. DCHBA2-12S12H8)
For each output.
Typical value tested at nominal input and full load.
*Due to advances in technology, specifications are subject to change without notice.
5/9/2016
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 7
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
Rev C
MECHANICAL DRAWINGS
Single Output Models
Pin
1
2
5
6
7
Pin Assignment
Single
+Vin
-Vin
-Vout
No Pin
+Vout
Dual
+Vin
-Vin
-Vout
Common
+Vout
Unit: mm (inch)
Tolerance: XX.XX ±0.25 (±0.01)
Dual Output
Pin
1
2
5
6
7
Pin Assignment
Single
+Vin
-Vin
-Vout
No Pin
+Vout
Dual
+Vin
-Vin
-Vout
Common
+Vout
Unit: mm (inch)
Tolerance: XX.XX ±0.25 (±0.01)
5/9/2016
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 7
Rev C
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
TEST CONFIGURATIONS
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.
DC Power Supply: offers a wide voltage and current range precisely.
Current Meter (A): Accuracy  200µA~200mA 4 ranges ±(0.2% rdg + 2 digits)
2000mA~20A 2 ranges ±(0.3% rdg + 2 digits)
Voltage Meter (V): Accuracy  ±(0.3% rdg + 4 digits)
Load: At Full Load
Wires: The resistance of the wires must be small.
1. Input Voltage Range: Narrow input voltage range (±10%); Wide input voltage range (2:1 and 4:1)
Ex: Narrow input voltage range (±10%)
5VDC nominal input  4.5~5.5VDC
12VDC nominal input  10.8~13.2VDC
24VDC nominal input  21.6~26.4VDC
Wide input voltage range 2:1
5VDC nominal input 
12VDC nominal input
24VDC nominal input 
48VDC nominal input 
4.5~9VDC
9~18VDC
18~36VDC
36~75VDC
Wide input voltage range 4:1 (W)
24VDC nominal input  9~36VDC
48VDC nominal input  18~75VDC
2. Input Power:
Vin: Input voltage
Iin: Input current
Pin=Vin x Iin
3. Output Power:
Vout: Output Voltage
Iout: Output Current
Pout=Vout x Iout
4. Efficiency:
Pout: Output Power
Pin: Input Power
Efficiency= Pout
x100%
Pin
5. Voltage Accuracy:
|Vout-Vout(Nominal)| x100% Vout: Output Voltage
Vout (nominal): Nominal output voltage
Vout
6. Line Regulation:
(1) Wide input voltage range and regulated output voltage series
| Vout(LL)-Vout(HL) | x100% LL: Low Line Input Voltage
HL: High Line Input Voltage
Vout(LL)
(2) Narrow input voltage range (±10%) and unregulated output voltage series
Line Regulation=
ΔVout=
ΔVout
ΔVin
Vin(+10%)-Vin(10%)
|
|
x 100%
Vin(Nominal)
Vout(+10%): Output Voltage at Vin=1.1 x Vin(nominal) & Full Load
Vout(-10%): Output Voltage at Vin= 0.9 x Vin(nominal) & Full Load
Vout: Output Voltage at Vin= Vin(nominal) & Full Load
5/9/2016
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 5 of 7
Rev C
ΔVin=
Vin(+10%)-Vout(10%)
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
x 100%
Vin(nominal)
Vin(+10%): Input Voltage=1.1 x Vin(nominal)
Vin(-10%): Input Voltage=0.9 x Vin(nominal)
Vin(nominal): Nominal Input Voltage
7. Load Regulation:
| Vout(FL)-Vout(NL) | x 100%
Vout(FL)
Vout(FL): Output voltage at Full Load
Vout(NL): Output voltage at 25% Full Load or 10% Full Load
8. Ripple and Noise: as shown below. The bandwidth is 0-2MHz
Output Ripple & Noise measurement test circuit: as shown below
9. Temperature Derating Curve: The DC/DC converter will operate over a wider temperature range if less power is drawn from the output and the
device is already running. The temperature derating curve shows the operating power-temperature range. As shown below.
10. Switching Frequency: The nominal operating frequency of the DC/DC converters.
11. Input to Output Isolation: The dielectric breakdown strength test between input and output circuits. This is the isolation voltage the device is
capable of withstanding for a specified time, usually 1 second or 1 minute.
5/9/2016
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 6 of 7
Rev C
DCHBA2 SERIES
2 Watts
Medical Isolated DC/DC Power Converter
Non-Regulated Single & Dual Outputs
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:
5/9/2016
(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 7 of 7