Datasheet
www.murata-ps.com/support
TYPICAL PERFORMANCE DATA, ULS-5/12-D48
ULS 60-Watt Series
Sixteenth-brick DOSA-Compatible,
Isolated DC/DC Converters
MDC_ULS Series.C02 Page 9 of 24
Maximum Current Temperature Derating at Sea Level
(Vin = 48V, airflow is from Vin to Vout)
Efficiency and Power Dissipation @ 25°C
50
55
60
65
70
75
80
85
90
95
100
3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
2
3
4
5
6
7
8
9
10
11
12
VIN = 75V
V
IN = 48V
V
IN = 36V
Power Dissipation
(Vin = 48V)
Efficiency (%)
Load Current (Amps)
Power Dissipation (Watts)
7
8
9
10
11
12
13
30 35 40 45 50 55 60 65 70 75 80 85
Natural convection
Output Current (Amps)
Ambient Temperature (ºC)
Enable Start-up (Vin=48V, Iout=12A, Cload=1000uF, Ta=+25°C)
Trace 2=Output, Trace 4= Enable.
Enable Start-up (Vin=48V, Iout=12A, Ta=+25°C) Trace 2=Output, Trace 4= Enable. Enable Start-up (Vin=48V, Iout=0A, Ta=+25°C) Trace 2=Output, Trace 4= Enable.