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LTM4657 Datasheet(PDF) 19 Page - Analog Devices

Part # LTM4657
Description  20VIN, 8A Step-Down DC/DC 關Module Regulator
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4657 Datasheet(HTML) 19 Page - Analog Devices

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LTM4657
19
Rev. A
For more information www.analog.com
Figure 10. Power Loss at 1V Output
Figure 11. Power Loss at 1.5V Output
Figure 12. Power Loss at 3.3V Output
APPLICATIONS INFORMATION
Figure 13. Power Loss at 5V Output
Figure 16. 5V to 1.5V
Derating Curve, No Heat Sink
Figure 14. 5V to 1V Derating Curve,
No Heat Sink
Figure 15. 12V to 1V Derating
Curve, No Heat Sink
Figure 17. 12V to 1.5V Derating
Curve, No Heat Sink
OUTPUT LOAD CURRENT (A)
0
1.5
1.0
0.5
0
2
4
1
3
6
4657 F10
8
5
7
3.3VIN, 1VOUT, 500kHz
5VIN, 1VOUT, 500kHz
12VIN, 1VOUT, 500kHz
OUTPUT LOAD CURRENT (A)
0
2.5
2.0
1.5
1.0
0.5
0
2
4
1
3
6
4657 F13
8
5
7
12VIN, 5VOUT, 1250kHz
OUTPUT LOAD CURRENT (A)
0
1.5
1.0
0.5
0
2
4
1
3
6
4657 F11
8
5
7
3.3VIN, 1.5VOUT, 650kHz
5VIN, 1.5VOUT, 650kHz
12VIN, 1.5VOUT, 650kHz
OUTPUT LOAD CURRENT (A)
0
2.5
2.0
1.5
1.0
0.5
0
2
4
1
3
6
4657 F12
8
5
7
5VIN, 3.3VOUT, 1000kHz
12VIN, 3.3VOUT, 1000kHz
TA (°C)
0
9
8
6
4
2
7
5
3
1
0
80
40
4657 F14
120
60
20
100
0LFM
200LFM
400LFM
TA (°C)
0
9
8
6
4
2
7
5
3
1
0
80
40
4657 F15
120
60
20
100
0LFM
200LFM
400LFM
TA (°C)
0
9
8
6
4
2
7
5
3
1
0
80
40
4657 F16
120
60
20
100
0LFM
200LFM
400LFM
TA (°C)
0
9
8
6
4
2
7
5
3
1
0
80
40
4657 F17
120
60
20
100
0LFM
200LFM
400LFM



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