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MSLUH Series
3000VDC I/O Isolation
Single and Dual Outputs
1 Watt DC/DC Converters
Rev B
FEATURES
● Low Cost
● RoHS Compliant
● Efficiency up to 81%
● 3000VDC I/O Isolation
● Single and Dual Outputs
● MTBF > 2,000,000 Hours
● Internal SMT Construction
● UL94V-0 Packing Material
● Operating Temperature: -25°C to +75°C
● 5, 12, and 24VDC Input Voltages Available
DESCRIPTION
The MSLUH series power modules are 1W DC/DC converters that are specially designed to provide high levels of isolation (3000VDC) in a
miniature “gull-wing” SMT 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 3.3, 5, 12, 15, ±5, ±12, and ±15VDC. These converters impressive
efficiencies enable them to deliver their fully rated output power from –25°C to +75°C without a heat sink or forced-air cooling. These
converters are useful for a variety of applications including distributed power systems, data communication equipment, telecommunication
equipment, and industrial robot systems.
SPECIFICATIONS: MSLUH 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
TEST CONDITIONS
Min
Nom
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
Max
Unit
INPUT (Vin)
Input Voltage Range
Reverse Polarity Input Current
Input Surge Voltage (1000ms)
Input Filter
OUTPUT (Vo)
Output Voltage
Output Voltage Balance
Load Regulation
Line Regulation
Output Power
Output Current
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
PROTECTION
Short Circuit Protection
Input Fuse Recommendation
GENERAL
Efficiency
Switching Frequency
Isolation Voltage Rated (See Note 6)
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
Cooling
Temperature Coefficient
MTBF
PHYSICAL
Weight
-0.7
-0.7
-0.7
Over Line, Over Load, and Over Temperature
1.5mm from case for 10 seconds
MIL-HDBK-217F @ 25°C, Ground Benign
A
VDC
0.5 seconds max.
500mA slow-blow type
200mA slow-blow type
100mA slow-blow type
5V nominal input models
12V nominal input models
24V nominal input models
Ambient
Case
VDC
See Model Selection Table
±0.1
±1.0
%
See Model Selection Table
±1.2
±1.5
%
1
W
See Model Selection Table
75
100
mVpk-pk
150
mVpk-pk
15
mVrms
Dual Output, Balanced Loads
Io = 20% to 100%
For Vin Change of 1%
60 seconds
Flash Test for 1 second
500VDC
100KHz, 1V
5.5
13.2
26.4
0.3
9
18
30
Internal Capacitor
See Model Selection Table
50
100
150
KHz
3000
VDC
3300
VDC
10
GΩ
60
100
pF
550
mW
See Model Selection Table
-25
-25
-25
+75
+90
+125
300
95
Free air convection
±0.01
±0.02
2,000,000 hours
°C
°C
°C
°C
%
%/°C
0.07oz (2g)
0.64 x 0.31 x 0.30 inches
16.3 x 8.0 x 7.67 mm
Non-conductive black plastic
UL94V-0
Dimensions (L x W x H)
Case Material
Flammability
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 5
MSLUH Series
3000VDC I/O Isolation
Single and Dual Outputs
1 Watt DC/DC Converters
Rev B
MODEL SELECTION TABLES
SINGLE OUTPUT MODELS
Model Number
Input Voltage
MSLU5S33-260H
MSLU5S05-200H
MSLU5S12-84H
MSLU5S15-67H
MSLU12S33-260H
MSLU12S05-200H
5 VDC
(4.5 ~ 5.5 VDC)
Output
Voltage
3.3 VDC
5 VDC
12 VDC
15 VDC
3.3 VDC
Output Current(1)
Min
Max
5mA
260mA
4mA
200mA
2mA
84mA
1.5mA
67mA
5mA
260mA
Input Current
No Load Max Load
238mA
267mA
30mA
255mA
251mA
98mA
Max. Load
Regulation
10%
10%
7%
7%
10%
Efficiency(2)
110mA
8%
76%
33µF
105mA
5%
80%
4.7µF
72%
75%
79%
80%
73%
Maximum
Capacitive Load
33µF
33µF
4.7µF
4.7µF
33µF
5 VDC
4mA
200mA
12 VDC
2mA
84mA
MSLU12S15-67H
15 VDC
1.5mA
67mA
103mA
5%
81%
4.7µF
MSLU24S33-260H
3.3 VDC
5mA
260mA
51mA
10%
70%
33µF
MSLU24S05-200H
5 VDC
4mA
200mA
57mA
8%
73%
33µF
53mA
5%
79%
4.7µF
53mA
5%
79%
4.7µF
Max. Load
Regulation
Efficiency(2)
Maximum
Capacitive Load
MSLU12S12-84H
MSLU24S12-84H
12 VDC
(10.8 ~ 13.2 VDC)
24 VDC
(21.6 ~ 26.4 VDC)
12 VDC
2mA
84mA
MSLU24S15-67H
15 VDC
1.5mA
67mA
Model Number
Input Voltage
Output
Voltage
Output Current(1)
Min
Max
±2
±100
5 VDC
(4.5 ~ 5.5 VDC)
±12 VDC
±0.8
MSLU5D15-34H
±15 VDC
±0.7
MSLU12D05-100H
±5 VDC
±2
±12 VDC
±0.8
±42
MSLU12D15-34H
±15 VDC
±0.7
MSLU24D05-100H
±5 VDC
±2
±12 VDC
±0.8
±42
±15 VDC
±0.7
±34
15mA
8mA
DUAL OUTPUT MODELS
MSLU5D05-100H
±5 VDC
MSLU5D12-42H
MSLU12D12-42H
MSLU24D12-42H
12 VDC
(10.8 ~ 13.2 VDC)
24 VDC
(21.6 ~ 26.4 VDC)
MSLU24D15-34H
Input Current
No Load Max Load
267mA
10%
75%
10µF
255mA
7%
79%
2.2µF
±34
255mA
7%
80%
2.2µF
±100
110mA
8%
76%
10µF
105mA
5%
80%
2.2µF
±34
106mA
5%
80%
2.2µF
±100
57mA
8%
73%
10µF
53mA
5%
79%
2.2µF
54mA
5%
79%
2.2µF
±42
30mA
15mA
8mA
NOTES
1. The MSLUH 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. Efficiency: typical value measured at full load.
3. All DC/DC converters should be externally fused at the front end for protection.
4. Other input and output voltages may be available, please contact factory.
5. It is not recommended to use water-washing processes on surface mount units.
6. For 1500VDC I/O isolation voltage see the MSLU series.
*Due to advances in technology, specifications are subject to change without notice.
BLOCK DIAGRAMS
Single Output
Dual Output
+Vo
+Vo
+Vin
+Vin
Bipolar
Push-Pull
Inverter
Bipolar
Push-Pull
Inverter
Com.
-Vin
-Vin
-Vo
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
-Vo
Page 2 of 5
MSLUH Series
3000VDC I/O Isolation
Single and Dual Outputs
1 Watt DC/DC Converters
Rev B
Tolerance Envelope Graph (3.3V & 5V Outputs)
Tolerance Envelope Graph (All Other Outputs)
All other types.
+20%
+20%
+20%
+20%
+15%
+15%
+15%
+15%
+10%
+10%
+10%
Max.
+5%
Output Voltage(%)
Output Voltage(%)
3.3V & 5V output types.
+5%
Typ.
Vnom
Vnom
Min.
-5%
-5%
-10%
0%
20%
40%
60%
80%
+10%
Max.
+5%
Vnom
Vnom
Min.
-5%
-5%
-10%
0%
-10%
100%
+5%
Typ.
20%
40%
60%
-10%
100%
80%
Output Load Current (%)
Output Load Current (%)
MECHANICAL DRAWING
Unit: mm [inches]
5.08mm
8
7
1
2
3
5
6
5
0~4
R0
.
10.1mm
10
12mm
11
8.0
12
0.25 [0.01]
1.9mm
( Magnification of A )
1.8
2.54
2.54
[0.07] [0.100] [0.100]
5.08
[0.200]
2.54
[0.100]
2.54mm
1.0mm Min.
16.3
[0.64]
15.9 [0.63]
15.6 [0.61]
0.6 [0.02]
0.33 [0.01]
8.0 [0.31]
7.67 [0.30]
PIN CONNECTIONS
1.5 {± 0.1
{ 0.004]
[0.06 ±
1.5 {± 0.1
[0.06 {± 0.004]
5.5
[0.22]
5.5
[0.22]
11.0 {± 0.2
{ 0.008]
[0.43 ±
Pin
1
2
3
5
6
7
8
10
11
12
Single Output
-Vin
+Vin
NA
-Vout
NA
NA
+Vout
NA
NA
NA
Dual Output
-Vin
+Vin
NA
Common
-Vout
NA
+Vout
NA
NA
NA
NA: Not available for electrical 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]
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 5
MSLUH Series
3000VDC I/O Isolation
Single and Dual Outputs
1 Watt DC/DC Converters
Rev B
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
+
DC Power
Source
+Out
DC / DC
Converter
Load
Cin
-
-Vin
-Out
Maximum Capacitive Load
The MSLUH 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. The maximum capacitance can be found in
the Model Selection Table.
TEST CONFIGURATIONS
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.33μF 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.
+Vin
+Out
Copper Strip
Single Output
DC / DC
Converter
-Vin
+Vin
Cout
-Out
Scope
Resistive
Load
Copper Strip
Copper Strip
+Out
Scope
Cout
Dual Output
DC / DC
Converter
Com.
Copper Strip
Cout
-Vin
-Out
Copper Strip
Resistive
Load
Scope
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 1.0μF capacitors at the output.
+
Single Output
DC / DC
Converter
DC Power
Source
-
+Out
+Vin
-Vin
+
+Vin
Dual Output
Com.
DC / DC
Converter
DC Power
Source
Cout
-Out
Load
-
+Out
-Vin
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
-Out
Cout
Load
Page 4 of 5
Rev B
MSLUH Series
3000VDC I/O Isolation
Single and Dual Outputs
1 Watt DC/DC Converters
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.
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 ISO9001-2008
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)587-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 5 of 5