Datasheet
www.murata-ps.com/support
TYPICAL PERFORMANCE DATA
UQQ Series
Wide Input Range Single Output DC-DC Converters
MDC_UQQ.D05 Page 11 of 18
Output Current (Amps)
Ambient Temperature (
°
C)
20
25
30
35
40
45
50
55
60
65
70
75
85
80
4
3.8
3.6
3.4
3.2
3
2.8
2.6
2.4
2.2
2
200 lfm
300 lfm
100 lfm
Natural Convection
400 lfm
UQQ-24/4-Q12P Maximum Current Temperature Derating
No baseplate, VIN = 12V (transverse air flow at sea level)
Output Current (Amps)
Ambient Temperature (
°
C)
20
25
30
35
40
45
50
55
60
65
70
75
85
80
4
3.8
3.6
3.4
3.2
3
2.8
2.6
2.4
2.2
2
200 lfm
300 lfm
100 lfm
Natural Convection
400 lfm
UQQ-24/4-Q12P Maximum Current Temperature Derating
With baseplate, VIN = 12V (transverse air flow at sea level)
93
92
91
90
89
88
87
86
UQQ-24/4-Q12P
Efficiency vs. Line Voltage and Load Current @ 25°C
Load Current (Amps)
Efficiency (%)
1 2 3 4
V
IN
= 36V
V
IN
= 30V
V
IN
= 24V
V
IN
= 12V
V
IN
= 10V
UQQ-24/4-Q12P
Power Dissipation vs. Load Current @ 25°C
1
Load Current (Amps)
Power Dissipation (Watts)
42 3
2
3
4
5
6
7
8
9
10
11
12
13
14
V
IN
= 36V
V
IN
= 30V
V
IN
= 24V
V
IN
= 12V
V
IN
= 10V