Thermal considerations, 20 lineage power, Continued) – GE Industrial Solutions LC-LW015-Series User Manual
Page 20: 25 °c, 25 °c with output voltage trimmed up to 2.5 v
20
20
Lineage Power
Data Sheet
March 27, 2008
18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs, 10 W and 15 W
LC/LW010- and LC/LW015-Series Power Modules:
Thermal Considerations
(continued)
8-1383(C)
Note: The power dissipation of this unit is shown at T
C
= T
C
,
max
because the efficiency of this power module drops at high
temperatures.
Figure 53. LW015A Power Dissipation at Maximum
Case Temperature
8-1814(C)
Figure 54. LW015B, C Typical Power Dissipation vs.
Normalized Output Current at T
C
= 25 °C
8-1815(C)
Figure 55. LW010D, LW015D Typical Power
Dissipation vs. Output Current at
T
C
= 25 °C
8-2109(C)
Figure 56. LW010D9 Typical Power Dissipation vs.
Output Current at T
C
= 25 °C with Output
Voltage Trimmed Up to 2.5 V
8-1385(C)
Note: The power dissipation of this unit is shown at T
C
= T
C
,
max
because the efficiency of this power module drops at high
temperatures.
Figure 57. LW015F Power Dissipation at Maximum
Case Temperature
0.0
0.5
1.0
1.5
2.0
3.0
0.0
3.0
3.5
4.0
4.5
OUTPUT CURRENT, I
O
(A)
PO
WER DISSIP
A
TION,
P
D
(W)
2.5
2.0
0.5
2.5
V
I
= 48 V
V
I
= 60 V
V
I
= 75 V
1.0
1.5
V
I
= 36 V
0.19
0.33
0.50
0.83
0.66
1.00
0.0
3.0
NORMALIZED OUTPUT CURRENT (I
O
/I
O
,
max
)
2.0
1.5
2.5
4.0
0.05
3.5
1.0
0.5
4.5
5.0
PO
WER DISSIP
A
TION,
P
D
(W)
V
I
= 36 V
V
I
= 48 V
V
I
= 60 V
V
I
= 75 V
1.0
0.0
2.0
3.0
3.5
0.5
1.5
2.5
0.5
1.0
1.5
2.0
2.5
3.0
0.0
OUTPUT CURRENT, I
O
(A)
V
I
= 36 V
PO
WER DISSIP
A
TION,
P
D
(W)
V
I
= 48 V
V
I
= 60 V
V
I
= 75 V
0.4
0.6
0.8
1.0
1.2
1.4
2.0
0.2
1.6
1.8
0.0
0.5
2.1
1.7
1.5
1.9
2.5
2.3
1.3
1.1
0.9
0.7
OUTPUT CURRENT, I
O
(A)
PO
WER DISSIP
A
TION,
P
D
(W)
V
I
= 36 V
V
I
= 75 V
V
I
= 48 V
0.0
0.5
1.0
1.5
2.0
3.0
0.0
3.0
3.5
OUTPUT CURRENT, I
O
(A)
PO
WER DISSIP
A
TION,
P
D
(W)
2.5
2.0
0.5
2.5
V
I
= 75 V
V
I
= 48 V
V
I
= 60 V
1.0
1.5
V
I
= 36 V
4.0