UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
PERFORMANCE DATA
UEI15-050-Q12
Efficiency vs. Line Voltage and Load Current @ 25°C
100
90
80
Maximum Current Temperature Derating @sea level
(V
IN
= 12 or 24V, airflow from input to output)
3.2
3.0
Natural Convection
a
Efficiency (%)
70
Output Current (Amps)
(
2
2.25
2.5
2.75
3
Vin = 36 V
60
50
40
30
20
10
0.25
0.5
0.75
1
1.25
1.5
1.75
2.8
Vin = 24 V
Vin = 18 V
Vin = 9 V
2.6
2.4
2.2
Load Current (Amps)
2.0
40
45
50
55
60
65
70
75
80
85
A
Ambient temperature (°C)
UEI15-050-Q48
Efficiency vs. Line Voltage and Load Current @ 25°C
100
90
80
70
60
50
40
30
20
10
0
0
0.5
1
1.5
Maximum Current Temperature Derating @Sea Level
(V
IN
= 24V or 48V, airflow is from input to output)
3.20
3.10
Output Current (Amps)
Efficiency (%)
3.00
2.90
2.80
2.70
2.60
2.50
40
45
50
55
60
65
70
75
80
85
Vin = 75 V
Vin = 36 V
Vin = 24 V
Vin = 18 V
Natural Convection
2
2.5
3
Ambient Temperature (°C)
Load Current (Amps)
UEI15-120-Q12
Efficiency vs. Line Voltage and Load Current @ 25°C
90
85
Output Current (Amps)
Maximum Current Temperature Derating @Sea Level
(V
IN
= 12V or 24V, airflow is from pin 2 to pin 1)
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
40
45
50
55
60
65
70
75
80
85
Natural Convection
Efficiency (%)
80
75
70
65
60
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1 1.1 1.2 1.3
Vin = 36 V
Vin = 24 V
Vin = 18 V
Vin = 9 V
Ambient Temperature (°C)
Load Current (Amps)
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Technical enquiries
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MDC_UEI15W.B24
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