Datasheet

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UEI30 Series
30W Isolated Wide-Range DC-DC Converters
MDC_UEI Series 30W.B02 Page 5 of 18
PERFORMANCE DATA
Effi ciency vs. Line Voltage and Load Current @ 25°C
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI30-033-Q12
UEI30-033-Q48
UEI30-033-Q48
Maximum Current Temperature Derating @Sea Level
(VIN = 12V, airfl ow is from input to output)
Maximum Current Temperature Derating @Sea Level
(VIN = 24V, airfl ow is from input to output)
Maximum Current Temperature Derating @Sea Level
(V
IN = 48V, airfl ow is from input to output)
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
7
7.2
7.4
7.6
7.8
8
8.2
8.4
8.6
8.8
9
Natural convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
Output Current (Amps)
Ambient Temperature (ºC)
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
8.5
8.6
8.7
8.8
8.9
9
9.1
Output Current (Amps)
Ambient Temperature (ºC)
Natural convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
9
8.5
8.6
8.7
8.8
8.9
9.1
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Output Current (Amps)
Ambient Temperature (ºC)
Natural convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
60
65
70
75
80
85
90
1234567890
Vin = 24 V
Vin = 36 V
Vin = 9 V
Vin = 12 V
Load Current (Amps)
Efficiency (%)
20
30
40
50
60
70
80
90
100
1234567890
Vin = 48 V
Vin = 75 V
Vin = 18 V
Vin = 24 V
Load Current (Amps)
Efficiency (%)