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LTM4675_15 Datasheet, PDF (67/128 Pages) Linear Technology – Dual 9A or Single 18A Module Regulator with Digital Power System Management
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LTM4675
APPLICATIONS INFORMATION-DERATING CURVES
See also Figure 35, 12VIN to 5VOUT Derating Curves.
7
6
5
4
12VIN
3
8VIN
2
1
5VIN
0
0 2 4 6 8 10 12 14 16 18
OUTPUT CURRENT (A)
4675 F11
Figure 11. 1VOUT Power Loss Curve
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F14
Figure 14. 5V to 1V Derating
Curve, No Heat Sink
7
6
5
4
12VIN
3
8VIN
2
5VIN
1
0
0 2 4 6 8 10 12 14 16 18
OUTPUT CURRENT (A)
4675 F12
Figure 12. 1.8VOUT Power Loss Curve
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F15
Figure 15. 12V to 1V Derating Curve,
No Heat Sink
7
6
5
12VIN
4
3
8VIN
2
5VIN
1
0
0 2 4 6 8 10 12 14 16 18
OUTPUT CURRENT (A)
4675 F13
Figure 13. 3.3VOUT Power Loss Curve
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F16
Figure 16. 5V to 1V Derating
Curve, with Heat Sink
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F17
Figure 17. 12V to 1V Derating
Curve, with Heat Sink
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F18
Figure 18. 5V to 1.8V Derating
Curve, No Heat Sink
For more information www.linear.com/LTM4675
18
16
14
12
10
8
6
4
400LFM
2
200LFM
0LFM
0
30 40 50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
4675 F19
Figure 19. 12V to 1.8V Derating
Curve, No Heat Sink
4675f
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