Datasheet

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PERFORMANCE DATA
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI15-120-Q48
Maximum Current Temperature Derating @Sea Level
(V
IN = 24V or 48V, airfl ow is from pin 2 to pin 1)
Load Current (Amps)
Efficiency (%)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
70
72
74
76
78
80
82
84
86
88
90
Vin = 48 V
Vin = 75 V
Vin = 18 V
Vin = 24 V
Ambient Temperature (°C)
Output Current (Amps)
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
40 45 50 55 60 65 70 75 80 85
Natural Convection
Effi ciency vs. Line Voltage and Load Current @ 25°C
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI15-150-Q12
Maximum Current Temperature Derating @Sea Level
(VIN = 12V and 24V, airfl ow is from input to output)
Maximum Current Temperature Derating @Sea Level
(V
IN = 24V and 48V, airfl ow is from input to output)
Load Current (Amps)
Efficiency (%)
74
76
78
80
82
84
86
88
90
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1
Vin = 24 V
Vin = 36 V
Vin = 9 V
Load Current (Amps)
Efficiency (%)
60
65
70
75
80
85
90
95
0.07 0.18 0.28 0.38 0.49 0.59 0.69 0.80 0.90 1.00 1.10
Vin = 24 V
Vin = 48 V
Vin = 75 V
Vin = 18 V
UEI15-150-Q48
Ambient Temperature (°C)
Output Current (Amps)
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
40 45 50 55 60 65 70 75 80 85
Natural Convection
Ambient Temperature (°C)
Output Current (Amps)
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
40 45 50 55 60 65 70 75 80 85
Natural Convection
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
MDC_UEI15W.C14 Page 7 of 17