Datasheet

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PERFORMANCE DATA
Maximum Current Temperature Derating @Sea Level
(VIN = 24V, airfl ow is from pin 1 to pin 3)
0
0.5
1
1.5
0.33 m/s (65 LFM)
Ambient Temperature (
°
C)
Output Current (Amps)
20 25 35 45 55 65 7530 40 50 60 70 80 85
Maximum Current Temperature Derating @Sea Level
(V
IN = 24V, airfl ow is from pin 1 to pin 3)
0
1
2
3
4
20 25 35 45 55 65 7530 40 50 60 70 80 85
0.33 m/s (65 LFM)
Ambient Tem
p
erature
(
°C
)
Output Current (Amps)
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
MDC_UEI15W.C14 Page 6 of 17
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI15-050-Q48
Load Current (Amps)
Efficiency (%)
100
90
80
70
60
50
40
30
20
10
0
0
0.5 1 1.5 2 2.5 3
Vin = 36 V
Vin = 75 V
Vin = 18 V
Vin = 24 V
Maximum Current Temperature Derating @Sea Level
(V
IN = 24V or 48V, airfl ow is from input to output)
40 45 50 55 60 65 70 75 80 85
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
Ambient Temperature (°C)
Output Current (Amps)
Natural Convection
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI15-050-Q12
Load Current (Amps)
Efficiency (%)
10
20
30
40
50
60
70
80
90
100
0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3
Vin = 24 V
Vin = 36 V
Vin = 9 V
Vin = 18 V
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI15-120-Q12
Load Current (Amps)
Efficiency (%)
60
65
70
75
80
85
90
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 = 24 V
Vin = 36 V
Vin = 9 V
Vin = 18 V