Datasheet

ULS 100-Watt Series
Sixteenth-brick DOSA-Compatible,
Isolated DC-DC Converters
MDC_ULS-100 Series.A09 Page 11 of 28
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TYPICAL PERFORMANCE DATA, ULS-5/20-D48
Maximum Current Temperature Derating at Sea Level
(VIN = 48V, airfl ow is from Vin- to Vin+)
Output Ripple and noise (Vin = 48V, Vout = nom, Iout = 20A, Cload = 330uf, Ta = +25°C)
Maximum Current Temperature Derating at Sea Level
(VIN = 48V, airfl ow is from Vin to Vout)
Output Ripple and noise (Vin = 48V, Vout = nom, Iout = 0A, Cload = 330uF, Ta = +25°C)
Effi ciency and Power Dissipation
2 4 6 8 10 12 14 16 18 20
72
74
76
78
80
82
84
86
88
90
92
94
0
2
4
6
8
10
12
14
16
18
20
22
Iout (Amps)
Efficiency (%)
Loss (Watts)
VIN = 75V
V
IN = 48V
V
IN = 36V
Power Dissipation
V
IN = 48V
12
13
14
15
16
17
18
19
20
21
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (°C)
0.25 m/s (50 LFM)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
12
13
14
15
16
17
18
19
20
21
30 35 40 45 50 55 60 65 70 75 80 85
Output Current (Amps)
Ambient Temperature (°C)
0.25 m/s (50 LFM)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)