LC/LW010- and LC/LW015-Series Power Modules:
18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs, 10 W and 15 W
Data Sheet
March 27, 2008
Thermal Considerations (continued)
4.5
4.0
5
3.5
3.0
MAXIMUM CASE TEMPERATURE
4.5
4
VI = 27 V
VI = 36 V
2.5
2.0
1.5
3.5
3
NATURAL CONVECTION
2.5
2
1.0 ms-1 (200 ft./min.)
2.0 ms-1 (400 ft./min.)
3.0 ms-1 (600 ft./min.)
VI = 20 V
VI = 18 V
1.0
0.5
0.0
1.5
1
0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
OUTPUT CURRENT, IO (A)
0
10 20 30 40 50 60 70 80 90 100 110 120
8-1382(C)
MAX AMBIENT TEMPERATURE, TA (˚C)
Note: The power dissipation of this unit is shown at TC = TC, max
because the efficiency of this power module drops at high
temperatures.
8-1377(C).a
Figure 44. LC015 Forced Convection Power
Derating; Either Orientation
Figure 46. LC015A Power Dissipation at Maximum
Case Temperature
5
6
5
MAXIMUM CASE TEMPERATURE
4.5
4
3.5
3
4
VI = 36 V
VI = 27 V
2.5
3
2
1.5
1
NATURAL CONVECTION
1.0 ms-1 (200 ft./min.)
2.0 ms-1 (400 ft./min.)
3.0 ms-1 (600 ft./min.)
2
VI = 18 V
1
0.5
0
40
0
50
60
70
80
90
100
110
0.00
0.16
0.32
0.48
0.64
0.80
0.96
MAX AMBIENT TEMPERATURE, TA (˚C)
NORMALIZED OUTPUT CURRENT (IO/IO, max)
8-1376(C).a
8-1808(C)
Figure 45. LW015 Forced Convection Power
Derating; Either Orientation
Figure 47. LC015B, C Typical Power Dissipation vs.
Normalized Output Current at TC = 25 °C
18
Lineage Power
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
