Linear Technology EN55022B, Руководство пользователя

Страница: 18 / 28

LTM4612
18
4612fc
For more information www.linear.com/LTM4612
APPLICATIONS INFORMATION
Figure 9. Power Loss at
12V
OUT
and 15V
OUT
Figure 10. Power Loss at 5V
OUT
Figure 11. No Heat Sink
with 36V
IN
to 5V
OUT
Figure 12. BGA Heat Sink
with 36V
IN
to 5V
OUT
Figure 13. No Heat Sink
with 24V
IN
to 12V
OUT
Figure 14. BGA Heat Sink
with 24V
IN
to 12V
OUT
LOAD CURRENT (A)
0
POWER LOSS (W)
4
5
3
2
2 4 1 3 5
1
0
6
4612 F09
24V
IN
TO 12V
OUT
36V
IN
TO 15V
OUT
LOAD CURRENT (A)
0
POWER LOSS (W)
4
5
3
2
2 4 1 3 5
1
0
6
4612 F10
36V
IN
TO 5V
OUT
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
105
4612 F11
0LFM 400LFM
200
LFM
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
105
4612 F12
0LFM 400LFM
200
LFM
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
105
4612 F13
0LFM 400LFM
200
LFM
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
105
4612 F14
0LFM 400LFM
200
LFM
Figure 15. No Heat Sink
with 36V
IN
to 15V
OUT
Figure 16. BGA Heat Sink
with 36V
IN
to 15V
OUT
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
4612 F15
0LFM 400LFM 200LFM
AMBIENT TEMPERATURE (°C)
25
0
LOAD CURRENT (A)
1.0
2.0
3.0
35 45 55 65 85 75 95
4.0
5.0
0.5
1.5
2.5
3.5
4.5
4612 F16
0LFM 400LFM 200LFM