UEI25 查看數據表（PDF） - Murata Manufacturing
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UEI25 Datasheet PDF : 23 Pages
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UEI25 Series
Single Output Isolated 25-Watt DC/DC Converters
UEI25-050-D48 PERFORMANCE DATA
Efficiency vs. Line Voltage and Load Current @ 25°C
92
91
90
89
88
87
Vin = 36V
86
Vin = 48V
85
Vin = 60V
84
Vin = 75V
83
82
81
80
79
78
77
76
75
1.0
1.4
1.8
2.2
2.6
3.0
3.4
3.8
4.2
4.6
5.0
Load Current (Amps)
Power Dissipation vs. Load Current @ 25°C
3.50
3.00
2.50
2.00
1.50
Vin = 36V
1.00
Vin = 48V
Vin = 60V
Vin = 75V
0.50
1.0
1.4
1.8
2.2
2.6
3.0
3.4
3.8
4.2
4.6
5.0
Load Current (Amps)
Maximum Current Temperature Derating @sea level
(VIN = 36V, 48V, 60V, and 75V, airflow is from pin 1 to pin 3)
5.1
5.0
65 to 400 LFM
4.9
4.8
4.7
4.6
4.5
30 35 40 45 50 55 60 65 70 75 80 85
Ambient temperature (°C)
Thermal image with "hot spot" at full load current with 80°C ambient, air flowing at
minimal rate of 65 LFM. Air is flowing across the converter from +Vo to -Vo at 48V input.
Identifiable and recommended maximum value to be verified in application.
www.murata-ps.com
MDC_UEI25W.B03 Page 15 of 23
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