Datasheet
UWE Series
Wide Input, Isolated
Eighth-Brick DC-DC Converters
MDC_UWE Series.E04 Page 15 of 23
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PERFORMANCE DATA
Maximum Current Temperature Derating @ sea level
(VIN = 12V, transverse airfl ow, no baseplate)
Maximum Current Temperature Derating @ sea level
(V
IN = 24V, transverse airfl ow, no baseplate)
Maximum Current Temperature Derating @sea level
(V
IN = 12V, transverse airfl ow, with baseplate)
Maximum Current Temperature Derating @sea level
(V
IN = 24V, transverse airfl ow, with baseplate)
Effi ciency vs. Line Voltage and Load Current @ 25°C Power Dissipation vs. Load Current @ 25°C
UWE-24/3-Q12P
UWE-24/3-Q12P
UWE-24/3-Q12N
L
o
a
d
C
u
r
r
e
n
t
(Amps)
t
E
f
fi
f
f
c
i
e
n
c
y (%)
6
5
6
7
6
9
7
1
7
3
7
5
7
7
7
9
8
1
8
3
8
5
8
7
8
9
9
1
9
3
9
5
0
.
5
1
1
.
5
2
2
.
5
3
Vi 24 V
Vin = 24 V
Vin = 30 V
0
Vin = 10 V
Vin 12 V
n
Vin=12V
Vin 36 V
n
Vin=36V
Vi 9 V
Vin = 9 V
2
3
4
5
6
7
8
9
1
0
1
1
1
2
0
.
5
1
1
.
5
2
2
.
5
3
L
o
a
d
C
u
r
r
e
n
t
(Amps)
t
L
oss
(W
atts
)
Vi 24 V
Vi
n =
24
V
V
in =
30
V
0
V
in = 1
0
V
Vin
12
V
Vin
=
12 V
Vin
36
V
Vin
=
36 V
Vi 9 V
Vi
n =
9
V
2.40
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (°C)
Output Current (Amps)
Natural Convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
2
2.2
2.4
2.6
2.8
3
3.2
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (°C)
Output Current (Amps)
Natural Convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
1.8
2.2
2.4
2.6
2.8
3.2
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (°C)
Output Current (Amps)
Natural Convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
2.40
2.60
2.80
3.00
3.20
40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (°C)
Output Current (Amps)
Natural Convection
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)