CMDM Series
Rev B
15 Watt, Single Output
2:1 Wide Input Voltage Range
Chassis Mount DC/DC Converter
FEATURES
●
15 Watts Output Power
●
Measurement
●
Output Current up to 4A
●
Wireless Network
●
High Efficiency up to 88%
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Telecom/Datacom
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Fixed Switching Frequency
●
Industry Control System
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Six-Sided Continuous Shield
●
Semiconductor Equipment
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2:1 Wide Input Voltage Range
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ISO9001 Certified Manufacturing Facilities
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Call Factory for More Output Power Options
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Compliant to RoHS EU Directive 2002/95/EC
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Options: Positive Logic and Negative Logic Remote ON/OFF
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Chassis Mount Options: Open Frame, U Channel, and Enclosed Types Available
APPLICATIONS
SPECIFICATIONS:
CMDM Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range ............ 12V nominal input ....................... 9 - 18 VDC
24V nominal input ..................... 18 - 36 VDC
48V nominal input ..................... 36 - 75 VDC
Input Surge Voltage (100ms max) ....... 12V input ..........................36 VDC
24V input ..........................50 VDC
48V input ........................100 VDC
Input Reflected Ripple Current (Note 2)........................................20mAp-p
Start Up Time (nominal Vin and constant resistive load) .............20ms typ.
Remote ON/OFF (Option) (Note 7)
(Positive Logic)............... DC-DC ON .............Open or 3.5V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
(Negative Logic) ............. DC-DC ON ...............Short or 0V < Vr < 1.2V
DC-DC OFF ...........Open or 3.5V < Vr < 12V
Input Current of Remote Control Pin (nominal Vin) ........... -0.5mA ~ +1mA
Remote Off State Input Current (nominal Vin) ...................................20mA
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
Switching Frequency .................................................................500KHz typ.
Isolation Voltage (Input to Output)......................................... 1600VDC min.
Isolation Resistance ...............................................................10 ohms min.
Isolation Capacitance ................................................................ 300pF max.
9
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ................................ -40°C ~ +85°C (with derating)
Storage Temperature .......................................................... -55°C ~ +105°C
Maximum Case Temperature ............................................................. 100°C
Relative Humidity...................................................................5% to 95% RH
Thermal Impedance (Note 8)
Natural Convection ............................................................. 12°C / Watt
Natural Convection with Heat-Sink..................................... 10°C / Watt
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 1) .......................................................... 2.041 x 10 hours
6
OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table
Voltage Accuracy (nominal Vin and full load) ...................................... ±1%
Output Current ..............................................................................see table
Output Power ........................................................................ 15 watts max.
Line Regulation (LL to HL at FL)....................................................... ±0.5%
Load Regulation (min load to full load) ............................................. ±0.5%
Minimum Load (See Note 6) ........................................................see table
Ripple/Noise (20 MHz BW) .......................................................... 50mVp-p
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response Recovery Time (25% load step) .......................250us
PHYSICAL SPECIFICATIONS
Potting material of the DC/DC Converter ..........................Epoxy (UL94-V0)
Shielding of the DC/DC Converter.................................................. six-sided
Weight .............................................................................Approximately 6oz
Dimensions................................................... 4(L) x 2.2(W) x 0.81(H) inches
SAFETY & EMC
Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1
EMI ............................EN55022 ...................................................... Class A
ESD ....................EN61000-4-2……..
Air ± 8KV …….Perf. Criteria B
Contact ± 6KV
PROTECTION SPECIFICATIONS
Over Voltage Protection................. 3.3V output ..................................3.9V
(zener diode clamp)
5V output ..................................6.2V
12V output ...................................15V
15V output ...................................18V
Over Load Protection (% of full load at nominal input).............. 150% max.
Short Circuit Protection. ...................................Hiccup, automatic recovery
Radiated Immunity......EN61000-4-3 ....................... 10V/m Perf. Criteria A
Fast Transient.............EN61000-4-4 ......................... ±2KV Perf. Criteria B
Surge .........................EN61000-4-5 ......................... ±1KV Perf. Criteria B
Conducted Immunity...EN61000-4-6 .................... 10 Vrms Perf. Criteria A
Due to advances in technology, specifications subject to change without notice
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CMDM Series
Rev B
15 Watt, Single Output
2:1 Wide Input Voltage Range
Chassis Mount DC/DC Converter
OUTPUT VOLTAGE / CURRENT RATING CHART
Model Number
CMDM12S3.3-4000
CMDM12S5-3000
CMDM12S12-1250
CMDM12S15-1000
CMDM24S3.3-4000
CMDM24S5-3000
CMDM24S12-1250
CMDM24S15-1000
CMDM48S3.3-4000
CMDM48S5-3000
CMDM48S12-1250
CMDM48S15-1000
48 VDC
(36 - 75 VDC)
24 VDC
(18 - 36 VDC)
12 VDC
(9 - 18 VDC)
Input Range
Output
Voltage
3.3 VDC
5 VDC
12 VDC
15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
Output Current
Min. load Full load
0mA
15mA
0mA
0mA
0mA
15mA
0mA
10mA
0mA
0mA
10mA
0mA
4000mA
3000mA
1250mA
1000mA
4000mA
3000mA
1250mA
1000mA
4000mA
3000mA
1250mA
1000mA
Output
Ripple & Noise
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
(4)
Input Current
(4)
Efficiency
(3)
(2)
No load
Full load
30mA
25mA
25mA
20mA
15mA
10mA
20mA
15mA
10mA
20mA
15mA
15mA
1467mA
1603mA
1524mA
1524mA
724mA
781mA
772mA
772mA
357mA
396mA
377mA
381mA
79%
82%
86%
86%
80%
84%
85%
85%
81%
83%
87%
86%
Capacitor
Load max
10200uF
7050uF
1035uF
705uF
10200uF
7050uF
1035uF
705uF
10200uF
7050uF
1035uF
705uF
(5)
NOTES
1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40ºC. (Ground fixed and controlled environment).
2. Maximum value at nominal input voltage and full load
3. Typical value at nominal input voltage and no load.
4. Typical value at nominal input voltage and full load.
5. Test by minimum Vin and constant resistive load.
6. The output requires a minimum loading on the output to maintain specified regulation. Operation under no-load condition will not
damage these devices, however they may not meet all listed specifications.
7. The ON/OFF control pin voltage is referenced to -Vin.
To order positive logic ON/OFF control add the suffix P (Ex: CMDM48S5-3000P)
To order negative logic ON/OFF control add the suffix R (Ex: CMDM48S5-3000R)
8. Heat sink is optional, consult factory.
9. Chassis Mount Options: No suffix for open frame, “U” suffix for U Channel, and “E” suffix for Enclosed type.
DERATING CURVES & EFFICIENCY GRAPHS
FEC15-48S05 Derating Curve
Derating Curve
CMDM48S5-3000
Output Power
E R (% )
O U T P U T P O W
(%)
-40
-20
0
20
40
60
63
80
100
120
Output
P O W E R (%
O U T P U T
Power (%)
)
120
100
80
60
40
20
0
120
100
80
60
40
20
0
CMDM48S5-3000
Curve
FEC15-48S05 Derating
Derating Curve
8
With Heat Sink (Note 8)
With Heatsink (Note )
Ambient Temperature (°C)
-40
-20
0
20
40
60
69
80
100
120
AMBIENT TEMPERATURE(℃)
Ambient Temperature (°C)
AMBIENT TEMPERATURE(℃)
95
90
85
80
75
70
65
60
55
50
45
FEC15-48S05
CMDM48S5-3000
Efficiency VS Output Load
Efficiency vs Output Load
86%
84%
82%
80%
78%
76%
74%
FEC15-48S05
Efficiency (%)
E F F IC IE N C Y (% )
CMDM48S5-3000 Efficiency vs Input Voltage
Efficiency VS Input Voltage
E
Efficiency
Y (% )
F F IC IE N C
(%)
10
20
30
40
50
60
70
80
90
100
36
40
44
48
52
56
60
64
68
72
Output Load (% of
of Full Load)
OUTPUT LOAD (%
Full Load)
INPUT VOLTAGE (V)
(V)
Input Voltage
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
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