Datasheet

LTM4620A
28
4620afb
For more information www.linear.com/LTM4620A
Figure 12. 2.5V Power Loss Curve Figure 13. 1V Power Loss Curve
Figure 15. 12V to 1V Derating
Curve, No Heat Sink
Figure 16. 5V to 1V Derating
Curve, No Heat Sink
Figure 17. 12V to 1V Derating
Curve, BGA Heat Sink
Figure 18. 5V to 1V Derating
Curve, BGA Heat Sink
APPLICATIONS INFORMATION
LOAD CURRENT (A)
POWER LOSS (W)
4
5
4620A F13
3
2
0
2 3 5 6 8 9 10
1
7
6
12V TO 1V POWER LOSS CURVE
5V TO 1V POWER LOSS CURVE
12 13 15 16 17 19 20 22 23 24 26
LOAD CURRENT (A)
POWER LOSS (W)
4
5
6
4620A F12
3
2
0
1
7
12V TO 2.5V POWER LOSS CURVE
5V TO 2.5V POWER LOSS CURVE
2 3 65 8 9 10 12 13 15 16 17 19 20 22 23 24 26
AMBIENT TEMPERATURE (°C)
0
LOAD CURRENT (A)
18
20
22
120
4620A F15
16
14
0
10
40
80
100
20
60
12
8
6
4
2
26
24
400LFM
200LFM
0LFM
AMBIENT TEMPERATURE (°C)
0
LOAD CURRENT (A)
18
20
22
4620A F16
16
14
0
10
40
80
100 120
20
60
12
8
6
4
2
26
24
400LFM
200LFM
0LFM
AMBIENT TEMPERATURE (°C)
0
LOAD CURRENT (A)
18
20
22
4620A F17
16
14
0
10
40
80
100 120
20
60
12
8
6
4
2
26
24
400LFM
200LFM
0LFM
Figure 14. 5V Power Loss Curve
AMBIENT TEMPERATURE (°C)
0
CH1 AND CH2 COMBINED LOAD CURRENT (A)
18
20
22
4620A F18
16
14
0
10
40
80
100 120
20
60
12
8
6
4
2
26
24
400LFM
200LFM
0LFM
LOAD CURRENT (A)
POWER LOSS (W)
4
5
6
4620A F14
3
2
0
1
8
7
3 5 6 8 9 10 12 13 15 16 17 19 20 22 23 24 26
12V TO 5V POWER LOSS CURVE