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UMP-12/2.1-Q12 View Datasheet(PDF) - DATEL Data Acquisition products

Part NameDescriptionManufacturer
UMP-12/2.1-Q12 High-Efficiency, Smaller-Package 25-40 Watt, DC/DC Converters Datel
DATEL Data Acquisition products  Datel
UMP-12/2.1-Q12 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
25-40W, SINGLE OUTPUT DC/DC CONVERTERS
UMP Models
Temperature Derating and Electrical Performance Curves
D24 Models (35 Watts)
35
30
25
20
15
Natural Convection Cooling
10
150 Linear Feet Per Minute
300 Linear Feet Per Minute
5
0
–40 0 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
Figure 4a. Temperature Derating Without Heat Sink
35
30
25
20
15
Natural Convection Cooling
10
150 Linear Feet Per Minute
300 Linear Feet Per Minute
5
0
–40 0 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
Figure 4b. Temperature Derating With Heat Sink
D48 Models (40Watts)
40
35
30
25
20
15
Natural Convection Cooling
10
150 Linear Feet Per Minute
300 Linear Feet Per Minute
5
0
–40 0 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
Figure 5a. Temperature Derating Without Heat Sink
40
35
30
25
20
15
Natural Convection Cooling
150 Linear Feet Per Minute
10
300 Linear Feet Per Minute
5
0
–40 0 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
Figure 5b. Temperature Derating With Heat Sink
Model UMP-5/7-D24
88
86
84
82
80
Efficiency @ 18VIN
Efficiency @ 24VIN
78
Efficiency @ 36VIN
76
74
0.77 1.56
2.33
3.11
3.89
4.67
5.44
6.22
7
Output Current (Amps)
Figure 4c. Efficiency vs. Output Current and Input Voltage
Model UMP-5/8-D48
88
86
84
82
80
78
Efficiency @ 36VIN
76
Efficiency @ 48VIN
74
Efficiency @ 72VIN
72
70
68
0.5
1
2
3
4
5
6
7
8
Output Current (Amps)
Figure 5c. Efficiency vs. Output Current and Input Voltage
5
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