LTM4604
APPLICATIONS INFORMATION
Table 2. 1.2V Output
DERATING CURVE
Figures 6, 8
Figures 6, 8
Figures 6, 8
Figures 7, 9
Figures 7, 9
Figures 7, 9
V IN (V)
3.3, 5
3.3, 5
3.3, 5
3.3, 5
3.3, 5
3.3, 5
POWER LOSS CURVE
Figure 4
Figure 4
Figure 4
Figure 4
Figure 4
Figure 4
AIR FLOW (LFM)
0
200
400
0
200
400
HEAT SINK
None
None
None
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
θ JA (°C/W)
25
22.5
21
21
20
18
Table 3. 2.5V Output
DERATING CURVE
Figures 10, 12
Figures 10, 12
Figures 10, 12
Figures 11, 13
Figures 11, 13
Figures 11, 13
V IN (V)
3.3, 5
3.3, 5
3.3, 5
3.3, 5
3.3, 5
3.3, 5
POWER LOSS CURVE
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
AIR FLOW (LFM)
0
200
400
0
200
400
HEAT SINK
None
None
None
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
θ JA (°C/W)
25
21
21
21
18
16
Table 4. Output Voltage Response Versus Component Matrix (Refer to Figure 17), 0A to 2A Load Step Typical Measured Values
C IN
V OUT (V) (CERAMIC)
C IN (Bulk)
C OUT
(CERAMIC)
C COMP
V IN (V)
DROOP
(mV)
PEAK-TO-
PEAK(mV)
RECOVERY LOAD STEP
(μs) (A/μs)
R FB
(k Ω )
1.2
1.2
1.2
1.5
1.5
1.5
1.8
1.8
1.8
2.5
2.5
2.5
3.3
3.3
3.3
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
10μF
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
56μF Aluminum
100μF 6.3V
22μF × 4
22μF × 4
100μF 6.3V
22μF × 4
22μF × 4
100μF 6.3V
22μF × 3
22μF × 3
100μF 6.3V
22μF × 3
22μF × 3
100μF 6.3V
22μF × 3
22μF × 3
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
2.5
3.3
5
2.5
3.3
5
2.5
3.3
5
2.5
3.3
5
2.5
3.3
5
21
23
24
19
21
21
25
30
30
22
25
25
22
25
25
43
45
46
41
43
43
50
60
60
45
55
55
50
56
56
10
10
10
10
10
10
10
10
10
12
12
12
15
15
15
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10
10
10
5.76
5.76
5.76
4.02
4.02
4.02
2.37
2.37
2.37
1.62
1.62
1.62
4604fa
14
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