UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
PERFORMANCE DATA
UEI15-033-Q12
Efficiency vs. Line Voltage and Load Current @ 25°C
90
85
80
75
Maximum Current Temperature Derating @sea level
(V
IN
= 12V or 24V, airflow from input to output)
5.5
5.0
4.5
Output Current (Amps)
(
Vin = 36 V
Vin = 24 V
Natural Convection
a
4.0
3.5
3.0
2.5
2.0
Efficiency (%)
70
65
60
55
50
0
0.5
1
1.5
2
Vin = 18 V
Vin = 9 V
2.5
3
3.5
4
40
45
50
55
60
65
70
75
80
85
Load Current (Amps)
A
Ambient temperature (°C)
UEI15-033-Q48
Efficiency vs. Line Voltage and Load Current @ 25°C
90
85
80
5.10
4.90
4.70
Natural Convection
a
100 LFM
200 LFM
300 LFM
Maximum Current Temperature Derating @sea level
(V
IN
= 24V, airflow from input to output)
Output Current (Amps)
4.50
4.30
4.10
3.90
3.70
3.50
40
45
50
55
60
75
Efficiency (%)
Vin = 75 V
70
65
60
55
50
1
2
3
Vin = 48 V
Vin = 18 V
65
70
75
80
85
A
Ambient Temperature
(°C)
4
5
Load Current (Amps)
UEI15-033-Q48
Maximum Current Temperature Derating @sea level
(V
IN
= 48V, airflow from input to output)
5.20
5.00
4.80
4.60
4.40
4.20
4.00
3.80
40
45
50
55
60
65
70
75
80
85
A
Ambient temperature (°C)
Natural Convection
a
100 LFM
200 LFM
300 LFM
400 LFM
www.murata-ps.com
Output Current (Amps)
(
Technical enquiries
email: sales@murata-ps.com, tel:
+1 508 339 3000
MDC_UEI15W.B24
Page 10 of 13
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