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LTM4645 Datasheet(PDF) 26 Page - Linear Technology

Part # LTM4645
Description  Dual 10A or Single 20A 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4645 Datasheet(HTML) 26 Page - Linear Technology

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LTM4646
26
4646f
For more information www.linear.com/LTM4646
Figure 9. 5VIN Power Loss Curve
Figure 10. 8VIN Power Loss Curve
Figure 12. 5V to 1V Derating
Curve, No Heat Sink,
fSW = 350kHz, EXTVCC
Electrically Connected to VIN
Figure 13. 12V to 1V Derating Curve,
No Heat Sink, fSW = 400kHz
Figure 14. 5V to 2.5V Derating
Curve, No Heat Sink,
fSW = 550kHz, EXTVCC
Electrically Connected to VIN
Figure 15. 12V to 2.5V Derating
Curve, No Heat Sink, fSW = 850kHz
APPLICATIONS INFORMATION
Figure 11. 12VIN Power Loss Curve
Figure 16. 12V to 5V Derating
Curve, No Heat Sink,
fSW = 1.3MHz, EXTVCC
Electrically Connected to VOUT
AMBIENT TEMPERATURE (°C)
60
70
80
90
110
100
120
0
4
8
12
20
16
4646 G12
0LFM
200LFM
400LFM
AMBIENT TEMPERATURE (°C)
60
70
80
90
110
100
120
0
4
8
12
20
16
4646 G13
0LFM
200LFM
400LFM
AMBIENT TEMPERATURE (°C)
60
70
80
90
110
100
120
0
4
8
12
20
16
4646 G14
0LFM
200LFM
400LFM
AMBIENT TEMPERATURE (°C)
60
70
80
90
110
100
120
0
4
8
12
20
16
4646 G15
0LFM
200LFM
400LFM
AMBIENT TEMPERATURE (°C)
60
70
80
90
110
100
120
0
4
8
12
20
16
4646 G16
0LFM
200LFM
400LFM
OUTPUT CURRENT (A)
0
2
4
6
8 10 12 14
18
16
20
0.0
0.5
1.5
1.0
2.0
2.5
3.0
3.5
4.0
4646 G09
3.3VOUT, 550kHz
2.5VOUT, 550kHz
1.8VOUT, 500kHz
1.5VOUT, 450kHz
1.2VOUT, 400kHz
1.0VOUT, 350kHz
0.9VOUT, 350kHz
OUTPUT CURRENT (A)
0
2
4
6
8 10 12 14
18
16
20
0.0
0.5
1.5
1.0
2.0
2.5
3.0
3.5
5.0
4.0
4.5
4646 G10
5.0VOUT, 900kHz, EXTVCC = 5VOUT
3.3VOUT, 850kHz
2.5VOUT, 750kHz
1.8VOUT, 600kHz
1.5VOUT, 550kHz
1.2VOUT, 475kHz
1.0VOUT, 400kHz
0.9VOUT, 400kHz
OUTPUT CURRENT (A)
0
2
4
6
8 10 12 14
18
16
20
1
2
3
4
6
5
4646 G11
5.0VOUT, 1.3MHz, EXTVCC = 5VOUT
3.3VOUT, 1.1MHz
2.5VOUT, 850kHz
1.8VOUT, 700kHz
1.5VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 400kHz
0.9VOUT, 400kHz



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