Datasheet

BEI15 Series
Isolated Wide Input Bipolar 15-Watt DC/DC Converters
MDC_BEI15W.A18 Page 7 of 15
www.murata-ps.com/support
PERFORMANCE DATA, BEI15-120-Q12
Effi ciency vs. Line Voltage and Load Current @ +25°C
Maximum Current Temperature Derating at Sea Level
(VIN= 9V to 36V, airfl ow is from pin 1 to pin 3)
71
73
75
77
79
81
83
85
0.13 0.18 0.23 0.28 0.33 0.38 0.43 0.48 0.53 0.58 0.63
Load Current (Amps)
Efciency (%)
VIN = 9V
V
IN = 12V
V
IN = 24V
V
IN = 36V
0.4
0.45
0.5
0.55
0.6
0.65
0.7
0.75
0.8
30 35 40 45 50 55 60 65 70 75 80 85
0.33 m/s (65 LFM)
Output Current (Amps)
Ambient Temperature (ºC)
Power Dissipation vs. Load Current @ +25°C
0.5
1.0
1.5
2.0
2.5
3.0
0.1 0.2 0.2 0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.6
Output Load Current (Amps)
Power Dissipation (Watts)
VIN = 9V
V
IN = 12V
V
IN = 24V
V
IN = 36V