Datasheet

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UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
MDC_UWS Series.D03 Page 15 of 25
TYPICAL PERFORMANCE DATA, UWS-12/4.5-Q48
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Load Current (A)
Efficiency (%)
Vin = 18V
Vin = 24V
Vin = 48V
Vin = 75V
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (ºC)
(65, 100, 200, 300, & 400 LFM)
0.33, 0.5, 1.0, 1.5, & 2.0 m/s
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (ºC)
(65, 100, 200, 300, & 400 LFM)
0.33, 0.5, 1.0, 1.5, & 2.0 m/s
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (ºC)
(65, 100, 200, 300, & 400 LFM)
0.33, 0.5, 1.0, 1.5, & 2.0 m/s
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (ºC)
0.33 m/s (65 LFM)
0.5 m/s (100 LFM)
1.0, 1.5, & 2.0 m/s (200, 300, & 400 LFM)
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00
6.50
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Load Current (A)
Power Dissipation (W)
Vin = 18V
Vin = 24V
Vin = 48V
Vin = 75V
Effi ciency vs. Line Voltage and Load Current @ 25°C
Maximum Current Temperature Derating at Sea Level
(Vin = 18V, air fl ow from Pin J1 to Pin J3)
Maximum Current Temperature Derating at Sea Level
(Vin = 48 air fl ow from Pin J1 to Pin J3 on PCB)
Power Dissipation vs. Load Current @ 25°C
Maximum Current Temperature Derating at Sea Level
(Vin = 24 air fl ow from Pin J1 to Pin J3 on PCB)
Maximum Current Temperature Derating at Sea Level
(Vin = 75 air fl ow from Pin J1 to Pin J3 on PCB)