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LTM4618EVPBF Scheda tecnica(PDF) 17 Page - Linear Technology

Il numero della parte LTM4618EVPBF
Spiegazioni elettronici  6A DC/DC 關Module Regulator with Tracking and Frequency Synchronization
PDF  24 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTM4618EVPBF Scheda tecnica(HTML) 17 Page - Linear Technology

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LTM4618
17
4618f
Table 2. 1.5V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
ΘJA (°C/W)
Figures 9, 11
5, 12
Figure 7
0
None
16
Figures 9, 11
5, 12
Figure 7
200
None
12.2
Figures 9, 11
5, 12
Figure 7
400
None
11.2
Figures 10, 12
5, 12
Figure 7
0
BGA Heat Sink
15.2
Figures 10, 12
5, 12
Figure 7
200
BGA Heat Sink
11.6
Figures 10, 12
5, 12
Figure 7
400
BGA Heat Sink
10.7
Table 3. 3.3V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
ΘJA (°C/W)
Figures 13, 15
12, 24
Figure 8
0
None
15
Figures 13, 15
12, 24
Figure 8
200
None
11.2
Figures 13, 15
12, 24
Figure 8
400
None
10.2
Figures 14, 16
12, 24
Figure 8
0
BGA Heat Sink
14.2
Figures 14, 16
12, 24
Figure 8
200
BGA Heat Sink
10.6
Figures 14, 16
12, 24
Figure 8
400
BGA Heat Sink
9.7
APPLICATIONS INFORMATION
Heat Sink Used: 15
× 9 Version of Aavid #375424B000346
Table 4. Output Voltage Response vs Component Matrix (Refer to Figure 21) 0A to 3A Load Step
VOUT (V)
CIN
(CERAMIC)
CIN
(BULK)
COUT1
(CERAMIC)
COUT2
(BULK)
COMP
C2
(pF)
FREQ
(kHz)
DROOP
(mV)
P-P DEVIATION
(mV)
RECOVERY
TIME (μs)
LOAD STEP
(A/μs)
RFB
(kΩ)
1
22μF
× 2
68μF
100μF
× 4
None
None
100
400
38
76
35
3
242
1
22μF
× 2
68μF
100μF
× 2
220μF
None
None
400
35
70
35
3
242
1
22μF
× 2
68μF
100μF
470μF
None
None
400
30
60
35
3
242
1.2
22μF
× 2
68μF
100μF
× 4
None
None
47
400
40
80
30
3
121
1.2
22μF
× 2
68μF
100μF
× 2
220μF
None
None
400
37
74
35
3
121
1.2
22μF
× 2
68μF
100μF
470μF
None
None
400
27
54
35
3
121
1.5
22μF
× 2
68μF
100μF
× 3
None
None
47
500
48
96
36
3
68.1
1.5
22μF
× 2
68μF
100μF
220μF
None
None
500
40
80
36
3
68.1
1.5
22μF
× 2
68μF
100μF
470μF
None
None
500
30
60
40
3
68.1
1.8
22μF
× 2
68μF
100μF
× 3
None
None
47
500
52
104
36
3
48.7
1.8
22μF
× 2
68μF
100μF
220μF
None
None
500
45
90
35
3
48.7
1.8
22μF
× 2
68μF
100μF
× 4
None
None
47
500
50
100
35
3
48.7
2.5
22μF
× 2
68μF
100μF
× 3
None
None
47
500
65
130
38
3
28
2.5
22μF
× 2
68μF
100μF
× 4
None
None
None
600
75
150
35
3
28
2.5
22μF
× 2
68μF
100μF
220μF
None
None
600
60
120
45
3
28
3.3
22μF
× 2
68μF
100μF
× 2
None
None
22
600
90
180
36
3
19.1
3.3
22μF
× 2
68μF
100μF
× 2
None
None
47
600
80
160
40
3
19.1
5
22μF
× 2
68μF
100μF
None
None
47
600
150
300
40
3
11.5



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