UEI-3.3-15-Q12PR-C Datasheet, PDF (11/13 Pages) Murata Power Solutions Inc. – 50-60W Isolated Wide-Range DC/DC Converters

UEI-5/12-Q48
Efficiency vs. Line Voltage and Load Current @ 25ºC
92
90
88
86
84
VIN = 18V
82
VIN = 24V
80
VIN = 36V
78
VIN = 48V
VIN = 60V
76
VIN = 75V
74
72
1
2
3
4
5
6
7
8
9
Load Current (Amps)
UEI Series
50-60W Isolated Wide-Range DC/DC Converters
Typical Performance Curves
UEI-5/12-Q48N Maximum Current Temperature Derating at Sea Level
(VIN = 48V, air flow is from pin 1 to pin 2)
12
11.5
11
10.5
10
9.5
9
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
10 11 12
8.5
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (_°C)
UEI-12/4.2-Q12
Efficiency vs. Line Voltage and Load Current @ 25ºC
92.5
90.0
87.5
85.0
VIN = 9V
82.5
VIN = 24V
80.0
77.5
VIN = 36V
75.0
72.5
70.0
67.5
65.0
62.5
60.0
0.31 0.69 1.13 1.48 1.87 2.25 2.64 3.01 3.42 3.81 4.20
Load Current (Amps)
UEI-12/4.2-Q12 Maximum Current Temperature Derating at Sea Level
(VIN = 24V, airflow is from pin 1 to pin 2)
4.25
4.20
4.15
4.10
Natural Convection
4.05
100 LFM
200 LFM
4.00
300 LFM
3.95
3.90
3.85
3.80
40
45
50
55
60
65
70
75
80
85
90
Ambient Temperature (_°C)
UEI-12/5-Q48
Efficiency vs. Line Voltage and Load Current @ 25ºC
92
90
88
86
VIN = 18V
84
VIN = 24V
82
VIN = 36V
80
78
VIN = 48V
76
VIN = 75V
74
72
70
68
66
0.5
1
1.75
2.5
3
3.5
4
Load Current (Amps)
4.5
5
UEI-12/5-Q48 Maximum Current Temperature Derating at Sea Level
(VIN = 48V, air flow is from pin 2 to pin 1)
5.2
4.95
4.7
4.45
4.2
3.95
3.7
3.45
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
3.2
2.95
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (_°C)
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27 May 2010 MDC_UEI Series 50-60W.B31 Page 11 of 13