MDHU100 [WALL]
4000VAC I/O Isolation Single and Dual Outputs 2 Watt Medical DC/DC Converter;
| 型号： | MDHU100 |
| 厂家： | 
WALL INDUSTRIES,INC. |
| 描述： | 4000VAC I/O Isolation Single and Dual Outputs 2 Watt Medical DC/DC Converter |
| 文件： | 总6页 (文件大小：189K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
FEATURES
● Low Cost
● Single and Dual Outputs
● MTBF > 2,000,000 Hours
● Internal SMT Construction
● Operating Temperature: -25°C to +60°C
● Medical & Industrial Safety: UL60601-1 and UL60950-1
● RoHS Compliant
● Efficiency up to 75%
● Low Leakage Current
● 4000VAC I/O Isolation
DESCRIPTION
The MDHU100 series power modules are 2W DC/DC converters that are specially designed to provide ultra-high levels of isolation
(4000VAC) in a miniature DIP package. These converters operate over input voltage ranges of 4.5~5.5VDC, 10.8~13.2VDC, and
21.6~26.4VDC. This series also has single and dual output voltages of 5, 12, 15, ±12, and ±15VDC. These converters have both medical
(UL60601-1) and industrial (UL60950-1) safety approvals and are useful for a variety of applications including distributed power systems,
mixed analog/digital subsystems, portable test equipment, local power networks, and battery-backed systems.
SPECIFICATIONS: MDHU100Series
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 (Vin)
TEST CONDITIONS
Min
Nom
Max
Unit
5V nominal input models
12V nominal input models
24V nominal input models
All models
5V nominal input models
12V nominal input models
24V nominal input models
All models
4.5
10.8
21.6
5
12
24
5.5
13.2
26.4
0.3
9
Input Voltage Range
VDC
A
Reverse Polarity Input Current
Input Surge Voltage (1000ms)
-0.7
-0.7
-0.7
18
30
VDC
Input Filter
Leakage Current
Internal Capacitor
2
240VAC, 60Hz
μA
OUTPUT (Vo)
Output Voltage
See Rating Chart
Output Voltage Accuracy
Output Voltage Balance
Load Regulation
±2.0
±0.1
See Rating Chart
±4.0
±1.0
%
%
Dual Output, Balanced Loads
Io = 20% to 100%
Line Regulation
Output Power
Vin = min. to max.
±1.2
±1.5
2
%
W
Output Current Range
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
PROTECTION
See Rating Chart
100
150
200
15
mVpk-pk
mVpk-pk
mVrms
Over Line, Over Load, and Over Temperature
Short Circuit Protection
0.5 seconds max.
1000mA slow-blow type
500mA slow-blow type
200mA slow-blow type
5V nominal input models
12V nominal input models
24V nominal input models
Input Fuse Recommendation
GENERAL
Efficiency
See Rating Chart
Switching Frequency
Isolation Voltage Rated
Isolation Voltage Test
Isolation Resistance
Isolation Capacitance
Internal Power Dissipation
Max. Capacitive Load
ENVIRONMENTAL
Operating Temperature (Ambient)
Operating Temperature (Case)
Storage Temperature
Lead Temperature
Humidity
50
4000
6000
10
80
100
KHz
VAC
VDC
GΩ
pF
mW
60 seconds
Flash Test for 1 second
500VDC
100KHz, 1V
15
20
650
See Rating Chart
Ambient
Case
-25
-25
-40
+60
+90
+125
260
95
°C
°C
°C
°C
%
1.5mm from case for 10 seconds
Cooling
Free air convection
Temperature Coefficient
MTBF
±0.01
±0.02
%/°C
Khours
MIL-HDBK-217F @ 25°C, Ground Benign
2000
PHYSICAL
Weight
0.18oz (5.1g)
0.94 x 0.54 x 0.34 inches
23.8 x 13.7 x 8.62 mm
Dimensions (L x W x H)
Case Material
Flammability
Non-conductive black plastic
UL94V-0
SAFETY
Industrial Approvals
Medical Approvals
UL60950-1
UL60601-1
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 6
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
MODEL SELECTION GUIDE
SINGLE OUTPUT MODELS
Output Current
Input Current
Output
Voltage
Max. Load
Regulation
Maximum
Efficiency (Typ)
Model Number
Input Voltage
Capacitive Load
Min
Max
No Load Max Load
MDHU505N2
MDHU512N2
MDHU515N2
MDHU1205N2
MDHU1212N2
MDHU1215N2
MDHU2405N2
MDHU2412N2
MDHU2415N2
5 VDC
12 VDC
15 VDC
5 VDC
8mA
400mA
606mA
12%
10%
10%
12%
10%
10%
12%
10%
10%
66%
66%
66%
66%
66%
66%
66%
66%
66%
330 μF
330 μF
330 μF
330 μF
330 μF
330 μF
330 μF
330 μF
330 μF
5 VDC
3mA
2.5mA
8mA
165mA
133mA
400mA
165mA
133mA
400mA
165mA
133mA
60mA
30mA
15mA
600mA
605mA
253mA
250mA
252mA
126mA
125mA
126mA
(4.5 ~ 5.5 VDC)
12 VDC
12 VDC
15 VDC
5 VDC
3mA
(10.8 ~ 13.2 VDC)
2.5mA
8mA
24 VDC
12 VDC
15 VDC
3mA
(21.6 ~ 26.4 VDC)
2.5mA
DUAL OUTPUT MODELS
Output Current
Min Max
±1.5mA ±83mA
±1mA ±66mA
±1.5mA ±83mA
±1mA ±66mA
±1.5mA ±83mA
±1mA ±66mA
Input Current
Output
Voltage
Max. Load
Regulation
Maximum
Capacitive Load
Model Number
Input Voltage
Efficiency (Typ)
No Load Max Load
MDHU512ND2
MDHU515ND2
MDHU1212ND2
MDHU1215ND2
MDHU2412ND2
MDHU2415ND2
±12 VDC
±15 VDC
±12 VDC
±15 VDC
±12 VDC
±15 VDC
553mA
60mA
10%
10%
10%
10%
10%
10%
72%
73%
74%
75%
74%
75%
100 μF
100 μF
100 μF
100 μF
100 μF
100 μF
5 VDC
(4.5 ~ 5.5 VDC)
542mA
224mA
30mA
12 VDC
(10.8 ~ 13.2 VDC)
220mA
112mA
15mA
24 VDC
(21.6 ~ 26.4 VDC)
110mA
NOTES
1. The MDHU100 series requires a minimum output loading to maintain specified regulations. Operation under no-load
conditions will not damage these devices, however they may not meet all listed specifications.
2. All DC/DC converters should be externally fused at the front end for protection.
3. Other input and output voltages may be available, please contact factory.
*Due to advances in technology, specifications are subject to change without notice.
BLOCK DIAGRAMS
Single Output
Dual Output
+Vo
Com.
-Vo
+Vo
+Vin
+Vin
Bipolar
Push-Pull
Inverter
Bipolar
Push-Pull
Inverter
-Vin
-Vin
-Vo
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 6
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
Efficiency vs Input Voltage (Single Output)
Efficiency vs Input Voltage (Dual Output)
Efficiency vs Output Load (Single Output)
Efficiency vs Output Load (Dual Output)
Derating Curve
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 6
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
MECHANICAL DRAWING
Unit: inches (mm)
PIN CONNECTIONS
PIN
1
Single Output Dual Output
-Vin
NC
-Vin
NC
7
8
NC
Common
+Vout
-Vout
+Vin
9
+Vout
-Vout
+Vin
10
16
NC: No Connection
1. Tolerance: X.X±0.25 [X.XX±0.01]
X.XX±0.13 [X.XXX±0.005]
2. Pin: ±0.05 [±0.002]
DESIGN & FEATURE CONSIDERATONS
Input Source Impedance
The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect
the stability of the power module. In applications where power is supplied over long lines and output loading is high, it may
be necessary to use a capacitor at the input to ensure startup. A capacitor mounted close to the power module helps ensure
stability of the unit, it is recommended to use a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100KHz)
capacitor of 2.2μF for the 5V input models, a 1.0μF for the 12V input models, and a 0.47μF for the 24V input models.
+
+Vin
+Out
-Out
+
+Vin
-Vin
+Out
-Out
+
Single Output
DC / DC
Converter
DC / DC
Converter
DC Power
Source
DC Power
Source
Load
Cin
Cout
Load
-
-Vin
-
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 6
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
Maximum Capacitive Load
The MDHU100 series has a limit of maximum connected capacitance at the output. The power module may be operated in
current limiting mode during start-up, affecting the ramp-up and the startup time. For optimal performance we recommend
100μF maximum capacitive load for dual outputs and 330μF capacitive load for single outputs. The maximum capacitance
can be found in the Model Selection Guide.
TEST CONFIGURATIONS
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with an inductor Lin (4.7μH) and Cin (220μF, ESR < 1.0Ω at 100KHz) to simulate
source impedance.
To Oscilloscope
+Vin
+Out
+
+
Lin
DC / DC
Converter
Current
Probe
Load
Battery
Cin
-Vin
-Out
Capacitor Cin offsets possible battery impedance.
Current ripple is measured at the input terminals of the module. Measurement bandwidth is 0 ~ 500KHz.
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.47μF ceramic capacitor.
Scope measurement should be made by using a BNC socket; measurement bandwidth is 0 ~ 20MHz. Position the load
between 50mm and 75mm from the DC/DC Converter.
Copper Strip
+Vin
+Out
-Out
Copper Strip
Cout
+Vin
+Out
Com.
-Out
Scope
Scope
Cout
Copper Strip
Cout
Single Output
DC / DC
Converter
Dual Output
DC / DC
Converter
Resistive
Load
Resistive
Load
Scope
-Vin
-Vin
Copper Strip
Copper Strip
Output Ripple Reduction
A good quality low ESR capacitor placed as close as possible across the load will give the best ripple and noise performance.
To reduce output ripple, it is recommended to use 3.3μF capacitors at the output.
+
+Vin
-Vin
+Out
-Out
+
+Vin
-Vin
+Out
Com.
-Out
Single Output
DC / DC
Converter
Dual Output
DC / DC
Converter
Cout
Load
DC Power
Source
DC Power
Source
Cout
Load
-
-
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 5 of 6
MDHU100 Series
4000VAC I/O Isolation
Single and Dual Outputs
Rev B
2 Watt Medical DC/DC Converter
Thermal Considerations
Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module, and board
spacing. To avoid exceeding the maximum temperature rating of the components inside the power module, the case
temperature must be kept below 90°C. The derating curves are determined from measurements obtained in an experimental
apparatus.
Position of air velocity
probe and thermocouple
Air Flow
50mm / 2in
15mm / 0.6in
DUT
COMPANY INFORMATION:
Wall Industries, Inc. has created custom and modified units for over 40 years. Our in-house research and development
engineers will provide a solution that exceeds your performance requirements on time and on budget. Our ISO9001-2000
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:
(603)778-2300
(888)587-9255
(603)778-9797
E-mail:
Web:
Address:
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 6 of 6
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