Datasheet

TYPICAL PERFORMANCE CURVES
10
12
14
16
18
20
30 35 40 45 50 55 60 65 70 75 80 85
UCQ-3.3/20-D48 Maximum Current Temperature Derating at Sea Level
(VIN = 48V, longitudinal airflow, no baseplate)
Output Current (Amps)
Ambient Temperature (°C)
400 LFM
200 LFM
300 LFM
100 LFM
30 35 40 45 50 55 60 65 70 75 80 85
16
18
20
22
24
26
28
30
UCQ-3.3/30-D48 Maximum Current Temperature Derating at Sea Level
(V
IN = 48V, no baseplate, airflow is from Vin to Vout)
Ambient Temperature (°C)
Output Current (Amps)
400 LFM
200 LFM
300 LFM
100 LFM
65
70
75
80
85
90
95
2 5 8 11 14 17 20
0
3
6
9
12
15
18
UCQ-3.3/20-D48 Efficiency vs Line Voltage and Load Current @25°C
Load Current (Amps)
Efficiency (%)
Power Dissipation (watts)
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
Power Dissipation
V
IN
= 48V
3 6 9 12 15 18 21 24 27 30
0
3
6
9
12
15
70
75
80
85
90
95
Load Current (Amps)
UCQ-3.3/30-D48 Efficiency vs Line Voltage and Load Current @25°C
Efficiency (%)
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
Power Dissipation (watts)
Power Dissipation
V
IN
= 48V
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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 13 of 24