Datasheet
TYPICAL PERFORMANCE DATA
95
90
85
80
75
70
65
60
UVQ-18/6-D48N
Efficiency vs. Line Voltage and Load Current @ 25°C
0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6
Load Current (Amps)
Efficiency (%)
V
IN
= 36V
V
IN
= 48V
V
IN
= 75V
UVQ-18/5.6-D24: Maximum Current Temperature Derating
(With baseplate, V
IN = 24V, transverse air flow)
Output Current (Amps)
Ambient Temperature ( °C)
5.8
5.6
5.4
5.2
5
4.8
4.6
4.4
4.2
4
20 25 30 35 40 45 50 55 60 65 70 75 80 85
200 lfm
400 lfm
300 lfm
100 lfm
Natural
Convection
UVQ-18/5.6-D24: Maximum Current Temperature Derating
(No baseplate, V
IN = 24V, transverse air flow)
Output Current (Amps)
Ambient Temperature ( °C)
5.8
5.6
5.4
5.2
5
4.8
4.6
4.4
4.2
4
3.8
3.6
3.4
20 25 30 35 40 45 50 55 60 65 70 75 80 85
200 lfm
400 lfm
300 lfm
100 lfm
Natural
Convection
16
14
12
10
8
6
4
2
0
UVQ-18/6-D48
Power Dissipation vs. Load Current @ 25°C
Load Current (Amps)
Power Dissipation (Watts)
V
IN
= 48V
V
IN
= 75V
V
IN
= 36V
0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6
UVQ-18/6-D48: Maximum Current Temperature Derating
(With baseplate, V
IN = 48V, transverse air flow)
Output Current (Amps)
Ambient Temperature ( °C)
6.5
6
5.5
5
4.5
4
3.5
20 25 30 35 40 45 50 55 60 65 70 75 80 85
200 lfm
500 lfm
300 lfm
100 lfm
UVQ-18/6-D48: Maximum Current Temperature Derating
(No baseplate, V
IN = 48V, transverse air flow)
Output Current (Amps)
Ambient Temperature ( °C)
6.5
6
5.5
5
4.5
4
3.5
20 25 30 35 40 45 50 55 60 65 70 75 80 85
200 lfm
500 lfm
300 lfm
100 lfm
MDC_UVQ Models.F04 Page 15 of 25
UVQ Series
Low Profile, Isolated Quarter Brick
2.5–40 Amp DC-DC Converters
www.murata-ps.com/suppor t