Datasheet

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ULT Series
Thirty-Second-Brick Isolated DC/DC Converters
with 2:1 Wide Input Range
MDC_ULT Series.F05 Page 16 of 26
TYPICAL PERFORMANCE DATA, ULT-12/2.5-D48
Effi ciency vs. Line Voltage and Load Current @ 25°C
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
72
74
76
78
80
82
84
86
88
90
92
VIN = 36V
V
IN = 48V
V
IN = 60V
V
IN = 72V
Efficiency (%)
Load Current (Amps)
Power Dissipation @ 25°C
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
0.60
0.85
1.10
1.35
1.60
1.85
2.10
2.35
2.60
2.85
Watts
Amps
VIN = 36V
V
IN = 48V
V
IN = 60V
V
IN = 75V
Maximum Current Temperature Derating at sea level
Vin = 36-48V (air fl ow from Pin 3 to Pin 1 on PCB)
Maximum Current Temperature Derating at sea level
Vin = 60V (air fl ow from Pin 3 to Pin 1 on PCB)
Maximum Current Temperature Derating at sea level
Vin = 75V (air fl ow from Pin 3 to Pin 1 on PCB)
0
1
2
3
30 35 40 45 50 55 60 65 70 75 80 85
0.33-2.0 m/s (65-400 LFM)
Output Current (Amps)
Ambient Temperature (°C)
0
1
2
3
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (°C)
.033 m/s (65 LFM)
0.5 m/s (100 LFM)
1.0-2.0 m/s (200-400 LFM)
0
1
2
3
30 35 40 45 50 55 60 65 70 75 80 85
.033 m/s (65 LFM)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5-2.0 m/s (300-400 LFM)
Output Current (Amps)
Ambient Temperature (°C)