ULE Series
Isolated, High Density, Eighth-Brick
1.25–20 Amp, DC-DC Converters
TYPICAL PERFORMANCE CURVES
5,%ꢀꢌꢂꢌꢄꢅꢆꢀ$ꢇꢃ -AXIMUM #URRENT 4EMPERATURE $ERATING
ꢈ6). ꢁ ꢄꢅ6ꢉ AIR FLOW DIRECTION IS TRANSVERSEꢊ
5,%ꢀꢌꢂꢌꢄꢅꢆꢀ$ꢇꢃ
%FFICIENCY VSꢂ ,INE 6OLTAGE AND ,OAD #URRENT ꢈꢅꢉ#
ꢉꢁ
ꢉꢂ
ꢆꢁ
ꢆꢂ
ꢁ
ꢀꢉꢊꢁ
ꢀꢂ
ꢃꢄꢊꢁ
ꢃꢁ
ꢌꢋꢋ LFM
ꢍꢋꢋ LFM
ꢃꢉꢊꢁ
ꢃꢂ
6
). ꢁ ꢂꢃ6
ꢂꢋꢋ LFM
ꢄꢋꢋ LFM
6
). ꢁ ꢄꢅ6
ꢄꢄꢊꢁ
ꢄꢁ
ꢄꢉꢊꢁ
ꢄꢂ
6
). ꢁ ꢆꢇ6
ꢂ
nꢈꢂ
ꢂ
ꢉꢁ ꢇꢂ ꢇꢁ ꢈꢂ ꢈꢁ ꢁꢂ ꢁꢁ ꢅꢂ ꢅꢁ ꢄꢂ ꢄꢁ ꢃꢂ ꢃꢁ
!MBIENT 4EMPERATURE ꢊo#ꢋ
ꢉ
ꢈ
ꢅ
ꢃ
ꢆꢂ
ꢆꢉ
ꢆꢈ
ꢆꢅ
ꢆꢃ
ꢉꢂ
,OAD #URRENT ꢊ!MPSꢋ
5,%ꢀꢉꢄꢁꢆꢀ$ꢁꢅ -AXIMUM #URRENT 4EMPERATURE $ERATING
ꢈ6). ꢁ ꢌꢍ6ꢉ AIR FLOW DIRECTION IS TRANSVERSEꢊ
ULE-5/10-D12
Efficiency vs. Line Voltage and Load Current @ +25°C
ꢆꢆ
ꢆꢂ
ꢀ
94
92
90
88
86
84
82
80
78
.ATURAL CONVECTION
V
IN = 9V
ꢃ
ꢌꢋꢋ LFM
ꢍꢋꢋ LFM
V
IN = 12V
ꢄ
V
IN = 18V
ꢄꢋꢋ LFM
ꢅ
nꢈꢂ
ꢂ
ꢉꢁ ꢇꢂ ꢇꢁ ꢈꢂ ꢈꢁ ꢁꢂ ꢁꢁ ꢅꢂ ꢅꢁ ꢄꢂ ꢄꢁ ꢃꢂ ꢃꢁ
1.2
2.4
3.6
4.8
6
7.2
8.4
9.6
10.8
12
!MBIENT 4EMPERATURE ꢊo#ꢋ
Load Current (Amps)
5,%ꢀꢉꢄꢁꢅꢀ$ꢅꢇ -AXIMUM #URRENT 4EMPERATURE $ERATING
ꢈ6). ꢁ ꢍꢄ6ꢉ AIR FLOW DIRECTION FROM INPUT TO OUTPUTꢊ
5,%ꢀꢉꢄꢁꢅꢀ$ꢅꢇ
%FFICIENCY VSꢂ ,INE 6OLTAGE AND ,OAD #URRENT ꢈꢅꢉ#
ꢆꢉꢊꢁ
ꢆꢉ
ꢀꢉ
ꢀꢂ
ꢃꢃ
ꢃꢅ
ꢃꢈ
ꢃꢉ
ꢃꢂ
ꢆꢆꢊꢁ
ꢆꢆ
ꢌꢋꢋ LFM
ꢍꢋꢋ LFM
6
). ꢁ ꢌꢅ6
ꢆꢂꢊꢁ
ꢆꢂ
ꢀꢊꢁ
ꢀ
ꢂꢋꢋ LFM
6
). ꢁ ꢍꢄ6
ꢃꢊꢁ
6
). ꢁ ꢂꢃ6
ꢃ
nꢈꢂ
ꢂ
ꢉꢁ ꢇꢂ ꢇꢁ ꢈꢂ ꢈꢁ ꢁꢂ ꢁꢁ ꢅꢂ ꢅꢁ ꢄꢂ ꢄꢁ ꢃꢂ ꢃꢁ
!MBIENT 4EMPERATURE ꢊo#ꢋ
ꢉ
ꢇ
ꢈ
ꢁ
ꢅ
ꢄ
ꢃ
ꢀ
ꢆꢂ
ꢆꢆ
ꢆꢉ
,OAD #URRENT ꢊ!MPSꢋ
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MDC_ULE Series.F04 Page 8 of 26