Datasheet

TYPICAL PERFORMANCE CURVES
30 35 40 45 50 55 60 65 70 75 80 85
0
10
20
30
40
50
UCQ-3.3/40-D48 Maximum Current Temperature Derating at Sea Level
(V
IN = 48V, with baseplate, transverse airflow)
400 LFM
200 LFM
300 LFM
100 LFM
Natural Convection
Output Current (Amps)
Ambient Temperature (
°
C)
4 8 12 16 20 24 28 32 36 40
0
2
4
6
8
10
12
14
16
18
20
22
40
45
50
55
60
65
70
75
80
85
90
95
UCQ-3.3/40-D48 Efficiency and Power Dissipation @25˚ C
Load Current (Amps)
Efficiency (%)
Power Dissipation (watts)
V IN = 36V
V IN = 75V
V
IN = 48V
Power Dissipation
V
IN = 48V
30 35 40 45 50 55 60 65 70 75 80 85
0
10
20
30
40
50
UCQ-3.3/40-D48 Maximum Current Temperature Derating at Sea Level
(V
IN = 48V, no baseplate, transverse airflow)
400 LFM
200 LFM
300 LFM
100 LFM
Natural Convection
Output Current (Amps)
Ambient Temperature (
°
C)
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Single Output UCQ Models
Low-Profile, Quarter Brick, 8.3-40 Amp
Isolated DC-DC Converters
MDC_UCQ Models.E02 Page 15 of 24