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LTM4644 Datasheet(PDF) 26 Page - Linear Technology

Part # LTM4644
Description  Dual 25A or Single 50A DC/DC 關Module Regulator with 1% DC Accuracy
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4644 Datasheet(HTML) 26 Page - Linear Technology

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LTM4650A
26
4650afb
For more information www.linear.com/LTM4650A
APPLICATIONS INFORMATION
Table 2. 1.0V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 18, 19
5, 12
Figure 14
0
None
7
Figures 18, 19
5, 12
Figure 14
200
None
6
Figures 18, 19
5, 12
Figure 14
400
None
5.5
Figures 20, 21
5, 12
Figure 14
0
BGA Heat Sink
6.5
Figures 20, 21
5, 12
Figure 14
200
BGA Heat Sink
5
Figures 20, 21
5, 12
Figure 14
400
BGA Heat Sink
4
Table 4. 3.3V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 26, 27
5, 12
Figure 16
0
None
7
Figures 26, 27
5, 12
Figure 16
200
None
6
Figures 26, 27
5, 12
Figure 16
400
None
5.5
Figures 28, 29
5, 12
Figure 16
0
BGA Heat Sink
6.5
Figures 28, 29
5, 12
Figure 16
200
BGA Heat Sink
5
Figures 28, 29
5, 12
Figure 16
400
BGA Heat Sink
4
Table 3. 1.8V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 22, 23
5, 12
Figure 15
0
None
7
Figures 22, 23
5, 12
Figure 15
200
None
6
Figures 22, 23
5, 12
Figure 15
400
None
5.5
Figures 24, 25
5, 12
Figure 15
0
BGA Heat Sink
6.5
Figures 24, 25
5, 12
Figure 15
200
BGA Heat Sink
4
Figures 24, 25
5, 12
Figure 15
400
BGA Heat Sink
3.5
Table 5. 5V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
θJA (°C/W)
Figures 30
12
Figure 17
0
None
7
Figures 30
12
Figure 17
200
None
6
Figures 30
12
Figure 17
400
None
5.5
Figures 31
12
Figure 17
0
BGA Heat Sink
6.5
Figures 31
12
Figure 17
200
BGA Heat Sink
4
Figures 31
12
Figure 17
400
BGA Heat Sink
3.5
HEAT SINK MANUFACTURER
PART NUMBER
WEBSITE
Aavid Thermalloy
375424B00034G
www.aavid.com



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