Datasheet
BEI15 Series
Isolated Wide Input Bipolar 15-Watt DC/DC Converters
MDC_BEI15W.A18 Page 6 of 15
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PERFORMANCE DATA, BEI15-050-Q48
Effi ciency vs. Line Voltage and Load Current @ +25°C Power Dissipation vs. Load Current @ +25°C
40
44
48
52
56
60
64
68
72
76
80
84
0.2 0.3 0.4 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.5
Load Current (Amps)
Efficiency (%)
VIN = 18V
V
IN = 24V
V
IN = 48V
V
IN = 75V
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.2 0.3 0.4 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.5
Output Load Current (Amps)
Power Dissipation (Watts)
VIN = 18V
V
IN = 24V
V
IN = 48V
V
IN = 75V
Maximum Current Temperature Derating at Sea Level
(VIN= 18 to 75V, airfl ow is from pin 1 to pin 2)
Maximum Current Temperature Derating at Sea level
(Vin = 18 to 75V, natural convection)
30 35 40 45 50 55 60 65 70 75 80 85
0
1
2
3
Output Current (Amps)
Ambient Temperature (ºC)
0.33 m/s (65 LFM)
0
1
2
30 35 40 45 50 55 60 65 70 75 80 85
Vin = 18V
Vin = 24V
Vin = 36V
Vin = 48V
Vin = 60V
Vin = 75V
Output Load Current (Amps)
Ambient Temperature (°C)