CMMDW24S3.3-5500 Wall Industries,Inc., CMMDW24S3.3-5500 Datasheet - Page 2

• Manufacturer Part Number: CMMDW24S3.3-5500
• Description: 20 Watt Single Output Chassis Mount Dc/dc Converter 4 1 Ultra Wide Input Voltage Range
• Manufacturer: Wall Industries,Inc.

OUTPUT VOLTAGE / CURRENT RATING CHART
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 ON/OFF control pin voltage is referenced to -Vin.
7. Heat sink is optional, consult factory for ordering details.
8. Chassis Mount Options: No suffix for open frame, “U” suffix for U Channel, and “E” suffix for Enclosed type.
DERATING CURVES & EFFICIENCY GRAPHS
CMMDW24S3.3-5500
CMMDW24S5-4000
CMMDW24S12-1670
CMMDW24S15-1330
CMMDW48S3.3-5500
CMMDW48S5-4000
CMMDW48S12-1670
CMMDW48S15-1330
Model Number
MIL-STD-217F Notice2 @Ta=25 ºC, Full load (Ground, Benign, controlled environment)
To order negative logic ON/OFF control add the suffix ”R” (Ex: CMMDW48S5-4000R)
120
100
80
60
40
20
90%
88%
86%
84%
82%
80%
78%
0
-40
CMMDW48S5-4000
18
FED20-48S05W Derating Curve
CMMDW48S5-4000
Efficiency vs Input Voltage
FED20-48S05W
Efficiency VS Input Voltage
Natural convection
100LFM
-20
200LFM
300LFM
400LFM
500LFM
24
AMBIENT TEMPERATURE(℃)
30
0
Input Range
INPUT VOLTAGE (V)
(18-75 VDC)
(9-36 VDC)
36
24 VDC
48 VDC
20
DERATING CURVE
42
40
48
60
Voltage
3.3 VDC
3.3 VDC
Output
12 VDC
15 VDC
12 VDC
15 VDC
5 VDC
5 VDC
54
72
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
80
603-778-2300 www.wallindustries.com Fax [phone]
60
100
Min. load Full load
66
105
Output Current
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
120
72
5500mA
4000mA
1670mA
1330mA
5500mA
4000mA
1670mA
1330mA
Rev B
Ripple & Noise No load
Output
60mVp-p
75mVp-p
75mVp-p
75mVp-p
60mVp-p
75mVp-p
75mVp-p
75mVp-p
95
90
85
80
75
70
65
60
55
50
45
120
100
80
60
40
20
10
0
FED20-48S05W
Efficiency VS Output Load
-40
CMMDW48S5-4000
Efficiency vs Input Voltage
CMMDW48S5-4000
With Heatsink (Note 7)
FED20-48S05W Derating Curve
With Heatsink (Note 7 )
(4)
20
Natural convection
100LFM
200LFM
300LFM
400LFM
500LFM
-20
30
0
AMBIENT TEMPERATURE(℃)
50mA
65mA
22mA
22mA
35mA
35mA
15mA
15mA
OUTPUT LOAD (% of Full Load)
Input Current
40
20
(3)
DERATING CURVE
50
4:1 Ultra Wide Input Voltage Range
Full load
40
Chassis Mount DC/DC Converter
1018mA
1014mA
934mA
992mA
467mA
496mA
503mA
501mA
60
60
70
(2)
78
80
20 Watt Single Output
80
Eff
85%
88%
86%
86%
85%
88%
87%
87%
100
(4)
CMMDW Series
105
90
120
Capacitor
100
Load max
18000uF
18000uF
9600uF
1650uF
1050uF
9600uF
1650uF
1050uF
(5)