Datasheet
UHE Series
Isolated, High Efficiency, 1.6" × 2"
2-10 Amp, 12-30 Watt DC/DC Converters
MDC_UHE_12-30W Series.D03 Page 7 of 16
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100
90
80
70
60
50
40
UHE-3.3/7500-D48 Efficiency vs. Load @ +25
°
C Ambient
Output Current (Amps)
Efficiency (
%
)
0.75 1.5 2.25 3 3.75 4.5 5.25 6 6.75 7.5
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
100
90
80
70
60
50
40
UHE-3.3/7500-Q48 Efficiency vs. Load @ +25
°
C Ambient
0.75 1.5 2.25 3 3.75 4.5 5.25 6 6.75 7.5
Output Current (Amps)
Efficiency (
%
)
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
V
IN
= 18V
100
90
80
70
60
50
40
UHE-5/6000-D48 Efficiency vs. Load @ +25
°
C Ambient
0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6
Output Current (Amps)
Efficiency (
%
)
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
100
90
80
70
60
50
40
UHE-5/5000-Q48 Efficiency vs. Load @ +25
°
C Ambient
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Output Current (Amps)
Efficiency (
%
)
V
IN
= 75V
V
IN
= 36V
V
IN
= 48V
V
IN
= 18V
0.49 0.99 1.49 1.99 2.49 3.00 3.50 4.00 4.50 5.00 5.50 6.00
65
69
73
77
81
85
89
93
UHE-5/6000-Q12 Efficiency vs. Load @ +25
°
C Ambient
Output Current (Amps)
Efficiency (%)
V
IN
= 9V
V
IN
= 36V
V
IN
= 12V
V
IN
= 24V
95
90
85
80
75
70
65
UHE-5/5000-Q12 Efficiency vs. Load @ +25
°
C Ambient
Output Current (Amps)
Efficiency (
%
)
0.5 1.0 1.5 2 2.5 3 3.5 4 4.5 5
V
IN
= 36V
V
IN
= 9V
V
IN
= 24V
Typical Performance Curves