Wall Industries, Inc.
Rev A
DCMJU10 SERIES
10 Watt DC/DC Power Converters
FEATURES
•
RoHS Compliant
•
Up to 10 Watts Output Power
•
Single & Dual Outputs
•
Remote On/Off Control
•
1500VDC I/O Isolation
•
High Efficiency up to 87%
•
1.0” x 1.0” x 0.4” Package Size
Size:
1.0 x 1.0 x 0.4 inches
25.4 x 25.4 x 10.16 mm
Weight:
0.53oz (15g)
•
4:1 Ultra Wide Input Voltage Ranges
•
Shielded Metal Case with Isolated Base-plate
•
-40°C to +80°C Operating Temperature Range
•
Over Load & Short Circuit Protection
•
UL/IEC/EN 60950-1 Safety Approvals (Pending)
•
Input Filter Complies to EN55022, Class A & FCC, Level A
•
Heatsink (Optional)
DESCRIPTION
The DCMJU10 series of DC/DC power converters offers 10 Watts of output power in a 1.0” x 1.0” x 0.4”
shielded metal package with an industry standard pin-out. This series consists of single and dual
output models with a 4:1 ultra wide input voltage range and tight output voltage regulation. State-
of-the-art circuit topology provides a very high efficiency up to 87% and an operating temperature
range of -40°C to +80°C. Further features include remote on/off control, 1500VDC I/O isolation, and
over load and short circuit protection. These converters are RoHS compliant and are ideal for use in
battery operated equipment, instrumentation, distributed power architectures in communication
and industrial electronics and many other space critical applications.
Applications:
•
Battery Operated Equipment
•
Instrumentation
•
Distributed Power Architectures
•
Communication & Industrial Electronics
MODEL SELECTION TABLE
SINGLE OUTPUT MODELS
Model Number
DCMJU24S33-10
DCMJU24S05-10
DCMJU24S51-10
DCMJU24S12-10
DCMJU24S15-10
DCMJU24S24-10
DCMJU48S33-10
DCMJU48S05-10
DCMJU48S51-10
DCMJU48S12-10
DCMJU48S15-10
DCMJU48S24-10
48 VDC
(18 - 75 VDC)
24 VDC
(9 - 36 VDC)
Input Voltage
Output
Voltage
3.3 VDC
5 VDC
5.1 VDC
12 VDC
15 VDC
24 VDC
3.3 VDC
5 VDC
5.1 VDC
12 VDC
15 VDC
24 VDC
Output
Voltage
±5 VDC
±12 VDC
±15 VDC
±5 VDC
±12 VDC
±15 VDC
Output Current
Min
(1)
Max
330mA
2200mA
300mA
300mA
125mA
100mA
62mA
330mA
300mA
300mA
125mA
100mA
62mA
2000mA
2000mA
830mA
660mA
410mA
2200mA
2000mA
2000mA
830mA
660mA
410mA
20mA
30mA
Input Current
No Load
Max Load
352mA
496mA
506mA
483mA
474mA
477mA
180mA
248mA
253mA
241mA
237mA
238mA
Input Current
No Load
Max Load
496mA
30mA
477mA
474mA
248mA
20mA
238mA
237mA
Output
Power
7.26W
10W
10.2W
10W
10W
9.84W
7.26W
10W
10.2W
10W
10W
9.84W
Output
Power
10W
9.84W
10W
10W
9.84W
10W
Efficiency
86%
84%
84%
86%
87%
86%
85%
84%
84%
86%
87%
86%
Maximum
Capacitive Load
560µF
560µF
560µF
150µF
150µF
68µF
560µF
560µF
560µF
150µF
150µF
68µF
Maximum
Capacitive Load
±220µF
±100µF
±100µF
±220µF
±100µF
±100µF
DUAL OUTPUT MODELS
Model Number
DCMJU24D05-10
DCMJU24D12-10
DCMJU24D15-10
DCMJU48D05-10
DCMJU48D12-10
DCMJU48D15-10
Input Voltage
24 VDC
(9 - 36 VDC)
48 VDC
(18 - 75 VDC)
Output Current
Min
(1)
Max
±150mA
±1000mA
±62mA
±50mA
±150mA
±62mA
±50mA
±410mA
±330mA
±1000mA
±410mA
±330mA
Efficiency
84%
86%
87%
84%
86%
87%
NOTES
1. The DCMJU10 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. Transient recovery time is measured to within 1% error band for a step change in output load from 75% to 100%.
3. All DC/DC converters should be externally fused at the front end for protection.
4. To order the converter with a heatsink, please add the suffix “HS” to the model number. (Ex: DCMJU24S12-10HS)
5. Other input and output voltages may be available; please call factory for ordering details.
11/27/2013
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 6
Wall Industries, Inc.
Rev A
DCMJU10 SERIES
10 Watt DC/DC Power Converters
SPECIFICATIONS: DCMJU10 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.)
Start-up Voltage
Under Voltage Shutdown
Input Current
Reverse Polarity Input Current
Short Circuit Input Power
Internal Power Dissipation
Input Fuse
(Note 3)
OUTPUT SPECIFICATIONS
Output Voltage
Output Voltage Accuracy
Output Voltage Balance (Dual Outputs)
Line Regulation
Load Regulation
Minimum Load
Output Power
Output Current
Ripple & Noise (20MHz BW)
(Page 5)
Transient Recovery Time
(Note 2)
Transient Response Deviation
Temperature Coefficient
PROTECTION
Over Load Protection
Short Circuit Protection
REMOTE ON/OFF
(Page 4)
Converter On
Positive Logic
Converter Off
On
Control Input Current
Off
Control Common
Stand-by Input Current
GENERAL
Efficiency
Switching Frequency
Isolation Voltage (Input to Output)
Isolation Resistance
Isolation Capacitance
Maximum Capacitive Load
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Range
Case Temperature
Storage Temperature
Humidity
RFI
Cooling
Lead Temperature
MTBF (calculated)
PHYSICAL SPECIFICATIONS
Weight
Dimensions (L x W x H)
Case Material
Base Material
SAFETY & EMC
Safety Approvals (pending)
Conducted EMI
TEST CONDITIONS
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
Min
9
18
-0.7
-0.7
Typ
24
48
Max
Unit
VDC
VDC
VDC
VDC
A
mW
mW
24VDC nominal input models
48VDC nominal input models
36
75
50
100
9
18
8.5
17
See Table
1.5
3000
5000
2000mA slow-blow type
1000mA slow-blow type
See Table
±1.0
±2.0
±1.0
±2.0
±0.3
±1.0
±0.5
±1.2
See Table
See Table
See Table
60
100
150
300
600
±3
±6
±0.01
±0.02
Balanced loads
Low line to high line at full load
15% load to 100% load
%
%
%
%
Over line, load, and temperature
25% load step change
25% load step change
mVp-p
µs
%
%/°C
%
foldback
110
150
Continuous
Vctrl = 5V
Vctrl = 0V
Nominal Vin
2.5V~50V or open circuit
0V~1.0V or short circuit (Pin 2 and Pin 6)
500
µA
-500
Referenced to negative input
10
mA
See Table
450
60 seconds
500VDC
100kHz, 1V
1500
1000
1500
See Table
-40
KHz
VDC
MΩ
pF
With derating
Non-condensing
1.5mm from case for 10 seconds
MIL-HDBK-217F at 25°C, Ground Benign
+80
°C
+100
°C
-50
+125
°C
95
% RH
Six-sided shielded metal case
natural convection
260
°C
350,000
hours
0.53oz (15g)
1.00 x 1.00 x 0.43 inches (25.4 x 25.4 x 10.16 mm)
Aluminum alloy, black anodized coating
FR4 PCB (flammability to UL 94V-0 rated)
UL/cUL 60950-1 recognition (CSA certificate), IEC/EN 60950-1 (CB-scheme)
EN55022 Class A & FCC part 15 Class A Compliance
11/27/2013
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 2 of 6
Wall Industries, Inc.
Rev A
DCMJU10 SERIES
10 Watt DC/DC Power Converters
MECHANICAL DRAWINGS
Standard Models
0.10 [2.54]
1.00 [25.4]
0.40 [10.16]
0.40 [10.16]
0.40±0.02
0.24 [6.0] [10.16±0.5]
3
4
5
PIN
1
PIN CONNECTIONS
Single Output
+Vin
-Vin
+Vout
No Pin
-Vout
Remote On/O
Dual Output
+Vin
-Vin
+Vout
Common
-Vout
Remote On/O
1.00 [25.4]
0.80 [20.3]
Ø0.04 [Ø1.00]
Bottom View
2
3
4
5
6
1
2
6
0.20
[5.08] 0.30 [7.62]
0.10 [2.54]
Unit: inches [mm]
Tolerance: X.XX±0.01 [X.X±0.25]
X.XXX±0.005 [X.XX±0.13]
Pin Diameter: Ø0.04±0.002 [Ø1.0±0.05]
Physical Characteristics
Case Size: 1.0 x 1.0 x 0.4 inches [25.4 x 25.4 x 10.16 mm]
Case Material: Aluminum alloy, black anodized coating
Base Material: FR4 PCB ( ammability to UL 94V-0 rated)
Weight: 0.53oz (15g)
Heatsink Option (Suffix “HS”)
Unit: inches [mm]
Physical Characteristics
0.64 [16.3]
Heatsink Material: Aluminum
Finish: Anodic treatment (black)
Heatsink Weight: 0.07oz (2g)
0.69 [17.46] Max.
1.22 [31.0] Max.
Heatsink
Thermal Pad
Clamp
Converter
Advantages of Adding a Heatsink
1. To help heat dissipation and increase the stability and reliability of
DC/DC converters at high operating temperature atmosphere.
2. To upgrade the operating temperature of DC/DC converters, please refer
to Derating Curves.
3. To order the module with a heatsink please add the su x “HS” to the
model number (Ex: DCMJU24S12-10HS)
11/27/2013
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 6
Wall Industries, Inc.
Rev A
DCMJU10 SERIES
10 Watt DC/DC Power Converters
DERATING CURVES
Derating Curve without Heatsink
120
100
120
100
Derating Curve with Heatsink
Output Power (%)
Output Power (%)
80
60
40
20
0
-40
Natural Convection
100LFM
200LFM
400LFM
80
60
40
20
0
-40
Natural Convection
100LFM
200LFM
400LFM
0
20
40
60
80
100
120
0
20
40
60
80
100
120
Ambient Temperature (°C)
Ambient Temperature (°C)
DESIGN & FEATURE CONSIDERATIONS
Remote On/Off
Positive logic remote on/off turns the module on during a logic high voltage on the remote on/off pin and off during a logic low. To
turn the module on and off, the user must supply a switch to control the voltage between the on/off terminal and the –Vin terminal.
The switch can be an open collector or equivalent. A logic low is 0V to 1V. A logic high is 2.5V to 50V. The maximum sink current at
on/off terminal during a logic low is -500µA. The maximum allowable leakage current of the switch at on/off terminal (2.5V to 50V) is
500µA.
Over Current Protection
To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can
endure overload for an unlimited duration. At the point of current-limit inception, the unit shifts from voltage control to current
control. The unit operates normally once the output current is brought back into its specified range.
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 6.8µF for the 24V and 48V devices.
+
DC Power
Source
-
+
Cin
-Vin
-Out
+Vin
DC/DC
Converter
+Out
Load
Maximum Capacitive Load
The DCMJU10 series has a limitation of maximum connected capacitance on the output. The power module may be operated in
current limiting mode during start-up, affecting the ramp-up and the start-up time. The maximum capacitance can be found in the
model selection table.
11/27/2013
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 6
Wall Industries, Inc.
Rev A
DCMJU10 SERIES
10 Watt DC/DC Power Converters
DESIGN & FEATURE CONSIDERATIONS
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 4.7µF capacitors at the output.
+
DC Power
Source
-
-Vin
+Vin
+Out
+
DC Power
Source
+Vin
+Out
Single Output
DC/DC
Converter
-Out
Cout
Load
-
-Vin
Dual Output
Com.
DC/DC
Converter
-Out
Cout
Cout
Load
Load
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 100°C. The derating curves are determined from measurements obtained in a test setup.
Position of air velocity
probe and thermocouple
15mm / 0.6in
50mm / 2in
Air Flow
DUT
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 100 KHz) to simulate source
impedance. Capacitor Cin offsets possible battery impedance. Current ripple is measured at the input terminals of the module.
Measurement bandwidth is 0-500 KHz.
To Oscilloscope
+
Battery
+
Lin
Current
Probe
+Vin
+Out
Load
DC/DC
Converter
-Vin
-Out
Cin
Peak-to-Peak Output Noise Measurement Test
Use a 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.
+Vin
+Out
Copper Strip
Cout
-Out
Copper Strip
Scope
Resistive
Load
+Vin
+Out
Copper Strip
Cout
Copper Strip
Cout
Copper Strip
Scope
Scope
Resistive
Load
Single Output
DC/DC
Converter
Dual Output
Com.
DC/DC
Converter
-Vin
-Vin
-Out
11/27/2013
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 6
京公网安备 11010802033920号
EEWORLD
