UQQ-12 Datasheet, PDF (6/18 Pages) Murata Manufacturing Co., Ltd. – Wide Input Range Single Output DC-DC Converters

TYPICAL PERFORMANCE DATA
UQQ-3.3/25-Q12
Efficiency vs. Line Voltage and Load Current @ 25°C
90
88
86
84
VIN = 12V
82
VIN = 18V
80
VIN = 24V
VIN = 30V
78
VIN = 36V
76
74 _{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25}
Load Current (Amps)
UQQ-3.3/25-Q12P Maximum Current Temperature Derating
(no baseplate, VIN = 12V, air flow is transverse)
25
24.5
24
Natural Convection
23.5
23
22.5
22
21.5
100 lfm
21
20.5
200 lfm
20
19.5
300 lfm
19
18.5
400 lfm
18
20 25 30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (_°C)
UQQ Series
Wide Input Range Single Output DC-DC Converters
UQQ-3.3/25-Q48P
Efficiency vs. Line Voltage and Load Current @ 25ºC
90
88
86
84
82
VIN = 18V
80
VIN = 24V
78
76
VIN = 36V
74
VIN = 48V
72
VIN = 60V
70
68
VIN = 72V
66
64
2 4 6 8 10 12 14 16 18 20 22 24 26
Load Current (Amps)
UQQ-3.3/25-Q12PB Maximum Current Temperature Derating
(with baseplate, VIN = 12V, air flow is transverse)
25.0
24.5
Natural Convection
24.0
23.5
100 lfm
23.0
22.5
200 lfm
22.0
21.5
300 lfm
21.0
20.5
20.0
20 25 30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (_°C)
UQQ-3.3/25-Q48 Maximum Current Temperature Derating at sea level
(VIN = 48V, with baseplate, transverse air flow)
26
25
24
23
22
21
20
19
18
Natural Convection
17
100 LFM
16
200 LFM
15
300 LFM
400 LFM
14
13
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (_°C)
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MDC_UQQ.D03 Page 6 of 18