Datasheet

www.murata-ps.com/support
UEI30 Series
30W Isolated Wide-Range DC-DC Converters
MDC_UEI Series 30W.B02 Page 6 of 18
PERFORMANCE DATA
Effi ciency vs. Line Voltage and Load Current @ 25°C
UEI30-050-Q12
Maximum Current Temperature Derating @Sea Level
(VIN = 12 or 24V, airfl ow is from input to output)
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
5.50
5.60
5.70
5.80
5.90
6.00
6.10
Natural convection
Output Current (Amps)
Ambient Temperature (ºC)
0
1.00 2.00
3.00
4.00 5.0
0
6.00
20
30
40
50
60
70
80
90
100
Vin = 24 V
Vin = 36 V
Vin = 10 V
Vin = 12 V
Load Current (Amps)
Efficiency (%)
Effi ciency vs. Line Voltage and Load Current @ 25°C Maximum Current Temperature Derating @Sea Level
(VIN = 18V, transverse airfl ow)
UEI30-050-Q48
UEI30-050-Q48
Maximum Current Temperature Derating @Sea Level
(VIN = 48V, transverse airfl ow)
Maximum Current Temperature Derating @Sea Level
(VIN = 24V, transverse airfl ow)
0
1.00
2.00
3.0
0
4.00
5.00
6.00
20
30
40
50
60
70
80
90
100
Vin = 48 V
Vin = 75 V
Vin = 18 V
Vin = 24 V
Load Current (Amps)
Efficiency (%)
5.5
5.6
5.7
5.8
5.9
6.0
6.1
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Natural convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
Output Current (Amps)
Ambient Temperature (ºC)
5.5
5.6
5.7
5.8
5.9
6.0
6.1
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Natural convection
Output Current (Amps)
Ambient Temperature (ºC)
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
5.5
5.6
5.7
5.8
5.9
6.0
6.1
Output Current (Amps)
Ambient Temperature (ºC)
Natural convection
0.5 m/s (100 LFM)