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DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and Dual Outputs
Rev C
Size: 0.77in x 0.50in x 0.39in (19.5mm x 12.5mm x 9.8mm)
OPTIONS
• 8kVDC Reinforced
Isolation
• Output Voltage
• Input Voltage
• Single or Dual output
APPLICATIONS
• Battery Operated
Equipment
• Measurement Equipment
• Telecom
• Wireless Networks
• Industry Control Systems
FEATURES
• 5, 12, 15, & 24VDC Nominal Input
Voltages
• 1 Watt Output Power
• RoHS Compliant
• No Minimum Load Requirement
• Non-Regulated Single and Dual Outputs
• 7-Pin SIP Package: 0.77” x 0.50” x 0.39”
•
•
•
•
•
•
High Efficiency up to 82%
-40ºC to +85ºC Operating Temperature Range
6.4KVDC I/O Isolation
Optional 8KVDC I/O Isolation Available (Suffix “H8”)
MTBF: 2,000,000 hours
IEC 60950-1, EN 60950-1, IEC 60601-1 and EN 60601-1 Medical
Approvals
DESCRIPTION
The DCHBA1 series of isolated medical DC/DC power converters provides 1 Watt of continuous output power in a
0.77” x 0.50” x 0.39” 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 82%, 6.4KVDC I/O isolation
(8KVDC optional), -40°C to +85°C operating temperature range, and no minimum load requirement. The DCHBA1
series is RoHS and UL94V-0 compliant. These converters have IEC 60950-1, EN 60950-1, IEC 60601-1 and EN
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.
MODEL SELECTION TABLE
Single Output Models
Model Number(1)
Input Voltage
Range
DCHBA1-5S33H6
DCHBA1-5S05H6
DCHBA1-5S72H6
5VDC
(4.5~5.5VDC)
DCHBA1-5S09H6
DCHBA1-5S12H6
DCHBA1-5S15H6
DCHBA1-12S33H6
DCHBA1-12S05H6
DCHBA1-12S72H6
12VDC
DCHBA1-12S09H6 (10.8~13.2VDC)
DCHBA1-12S12H6
DCHBA1-12S15H6
DCHBA1-15S33H6
DCHBA1-15S05H6
DCHBA1-15S72H6
15VDC
DCHBA1-15S09H6 (13.5~16.5VDC)
DCHBA1-15S12H6
DCHBA1-15S15H6
DCHBA1-24S33H6
DCHBA1-24S05H6
DCHBA1-24S72H6
24VDC
DCHBA1-24S09H6 (21.6~26.4VDC)
DCHBA1-24S12H6
DCHBA1-24S15H6
5/9/2016
Output Voltage
3.3VDC
5VDC
7.5VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.5VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.5VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
7.5VDC
9VDC
12VDC
15VDC
Output Current
@Full Load
303mA
200mA
140mA
111mA
84mA
66mA
303mA
200mA
140mA
111mA
84mA
66mA
303mA
200mA
140mA
111mA
84mA
66mA
303mA
200mA
140mA
111mA
84mA
66mA
Ripple & Noise
150mVp-p Max.
150mVp-p Max.
150mVp-p Max.
150mVp-p Max.
Input Current
No Load Full Load
278mA
271mA
273ma
35mA
263mA
262mA
253mA
116mA
113mA
114mA
30mA
110mA
110mA
106mA
93mA
91mA
91mA
25mA
88mA
88mA
85mA
58mA
57mA
57mA
20mA
54mA
55mA
53mA
Output
Power
1W
1W
1W
1W
Maximum
Efficiency(3)
Capacitive Load(2)
3300µF
76%
2200µF
78%
1000µF
78%
1000µF
80%
470µF
81%
470µF
82%
3300µF
76%
2200µF
78%
1000µF
78%
1000µF
80%
470µF
81%
470µF
82%
3300µF
76%
2200µF
78%
1000µF
78%
1000µF
80%
470µF
81%
470µF
82%
3300µF
76%
2200µF
78%
1000µF
78%
1000µF
80%
470µF
81%
470µF
82%
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
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and Dual Outputs
Rev C
Dual Output Models
Input Voltage
Range
Model Number
DCHBA1-5D33H6
DCHBA1-5D05H6
DCHBA1-5D72H6
5VDC
(4.5~5.5VDC)
DCHBA1-5D09H6
DCHBA1-5D12H6
DCHBA1-5D15H6
DCHBA1-12D33H6
DCHBA1-12D05H6
DCHBA1-12D72H6
12VDC
DCHBA1-12D09H6 (10.8~13.2VDC)
DCHBA1-12D12H6
DCHBA1-12D15H6
DCHBA1-15D33H6
DCHBA1-15D05H6
DCHBA1-15D72H6
15VDC
DCHBA1-15D09H6 (13.5~16.5VDC)
DCHBA1-15D12H6
DCHBA1-15D15H6
DCHBA1-24D33H6
DCHBA1-24D05H6
DCHBA1-24D72H6
24VDC
DCHBA1-24D09H6 (21.6~26.4VDC)
DCHBA1-24D12H6
DCHBA1-24D15H6
Output Voltage Output Current Ripple & Noise
±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
±151mA
±100mA
±70mA
±55mA
±41mA
±33mA
±151mA
±100mA
±70mA
±55mA
±41mA
±33mA
±151mA
±100mA
±70mA
±55mA
±41mA
±33mA
±151mA
±100mA
±70mA
±55mA
±41mA
±33mA
150mVp-p
150mVp-p
150mVp-p
150mVp-p
Input Current
No Load Full Load
281mA
271mA
273mA
35mA
264mA
259mA
258mA
117mA
113mA
114mA
30mA
110mA
108mA
108mA
94mA
91mA
91mA
25mA
88mA
87mA
86mA
59mA
57mA
57mA
20mA
55mA
54mA
54mA
Output
Power
1W
1W
1W
1W
Maximum
Capacitive Load
±2200µF
±1000µF
±470µF
±470µF
±220µF
±220µF
±2200µF
±1000µF
±470µF
±470µF
±220µF
±220µF
±2200µF
±1000µF
±470µF
±470µF
±220µF
±220µF
±2200µF
±1000µF
±470µF
±470µF
±220µF
±220µF
Efficiency
75%
78%
78%
79%
80%
81%
75%
78%
78%
79%
80%
81%
75%
78%
78%
79%
80%
81%
75%
78%
78%
79%
80%
81%
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 charge of 1%
Load Regulation
10% Load to Full Load
Voltage Balance
Dual Output
Output Power
Output Current
Minimum Load
Maximum Capacitive Load
Ripple & Noise (20MHz bandwidth)
PROTECTION
Short Circuit Protection
ENVIRONMENTAL SPECIFICATIONS
Operating Case Temperature
Storage Temperature
Maximum Case Temperature
Relative Humidity
Reliability, calculated MTBF
5/9/2016
4.5
10.8
13.5
21.6
5
5.5
12
13.2
15
16.5
24
26.4
Capacitor
See Table
±5
±1.5
15
10
1
1
See Table
3.3V & 5V Models
All other models
0
V
%
%
%
%
W
A
See Table
150
mVp-p
1 Second
-40
-55
+85
+125
+95
95
2,000,000
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
ºC
ºC
ºC
% RH
Hours
Page 2 of 7
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and 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
GENERAL SPECIFICATIONS
Efficiency
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
PHYSICAL SPECIFICATIONS
Weight
Min
Nominal Input and Full Load
Input to Output
500VDC
Typ
Max
Unit
See Table
80
Test duration 1 second
kHz
6400
VDC
GΩ
pF
15
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
EN60601-1
Safety Approvals
NOTES
(1)
(2)
(3)
For 8KVDC I/O isolation replace the “H6” suffix in the model number with “H8” (Ex. DCHBA1-12S12H8)
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
Rev C
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and Dual Outputs
MECHANICAL DRAWINGS
Single Output Models
Pin
1
2
5
6
7
Single
+Vin
-Vin
-Vout
No Pin
+Vout
Dual
+Vin
-Vin
-Vout
Common
+Vout
Unit: mm
Tolerance: XX.XX ±0.25 (±0.01)
Dual Output Models
Pin
1
2
5
6
7
Single
+Vin
-Vin
-Vout
No Pin
+Vout
Dual
+Vin
-Vin
-Vout
Common
+Vout
Unit: mm
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
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and 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
ΔVin=
5/9/2016
Vin(+10%)-Vout(10%)
x 100%
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
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and Dual Outputs
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
DCHBA1 SERIES
1 Watt
Medical Isolated DC/DC Converters
Non-Regulated Single and 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