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
UEI25-033-D48 PERFORMANCE DATA
Efficiency vs. Line Voltage and Load Current @ 25°C
92
87
82
77
72
67
62
Vin = 36V
57
Vin = 48V
52
Vin = 60V
47
Vin = 75V
42
37
32
27
22
17
12
7
0.2 0.7 1.2 1.7 2.2 2.7 3.2 3.7 4.2 4.7 5.2 5.7 6.2 6.7 7.2 7.7
Load Current (Amps)
Maximum Current Temperature Derating @sea level
(airflow is from input to output)
8
65 to 400 LFM
65 LFM
7
Vin = 36V, 48V and 60V
100 LFM
200 to 400 LFM
Vin = 75V
6
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 63°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.
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=7.5A, Cload=0uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=.7575mA, Cload=0uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
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MDC_UEI25W.B03 Page 13 of 23
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