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LTM4677 Datasheet(PDF) 22 Page - Linear Technology

Part # LTM4677
Description  30A DC/DC Step-Down 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4677 Datasheet(HTML) 22 Page - Linear Technology

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LTM4647
22
4647fb
For more information www.linear.com/LTM4647
APPLICATIONS INFORMATION
Figure 20. 12V to 1.5V Derating Curve, BGA Heat Sink
Figure 21 5V to 1.5V Derating Curve, BGA Heat Sink
Table 3. 1.0V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIR FLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 14, 15
5, 12
Figure 12
0
None
9
Figures 14, 15
5, 12
Figure 12
200
None
6.5
Figures 14, 15
5, 12
Figure 12
400
None
6
Figures 16, 17
5, 12
Figure 12
0
BGA Heat Sink
8.5
Figures 16, 17
5, 12
Figure 12
200
BGA Heat Sink
5.5
Figures 16, 17
5, 12
Figure 12
400
BGA Heat Sink
5
Table 4. 1.5V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIR FLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 18, 19
5, 12
Figure 13
0
None
9
Figures 18, 19
5, 12
Figure 13
200
None
6.5
Figures 18, 19
5, 12
Figure 13
400
None
6
Figures 20, 21
5, 12
Figure 13
0
BGA Heat Sink
8.5
Figures 20, 21
5, 12
Figure 13
200
BGA Heat Sink
5.5
Figures 20, 21
5, 12
Figure 13
400
BGA Heat Sink
5
Heat Sink Manufacturer
Part Number
Website
Aavid Thermalloy
375424B00034G
www.aavid.com
Cool Innovations
4-050503P to 4-050508P
www.coolinnovations.com
AMBIENT TEMPERATURE (°C)
30
35
30
20
15
25
10
5
0
80
50 60
90 100 110
4647 F20
120
70
40
0LMF
200LMF
400LMF
AMBIENT TEMPERATURE (°C)
30
35
30
20
15
25
10
5
0
80
50 60
90 100 110
4647 F21
120
70
40
0LMF
200LMF
400LMF



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