LTM4627
APPLICATIONS INFORMATION
Table 2. 1.2V Output
DERATING
CURVE
Figures 9, 11
Figures 9, 11
Figures 9, 11
Figures 10, 12
Figures 10, 12
Figures 10, 12
V IN
5V, 12V
5V, 12V
5V, 12V
5V, 12V
5V, 12V
5V, 12V
POWER LOSS
CURVE
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
AIRFLOW
(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) *
13
11
8
12
8
7
Table 3. 3.3V Output
DERATING
CURVE
Figures 13, 15
Figures 13, 15
Figures 13, 15
Figures 14, 16
Figures 14, 16
Figures 14, 16
V IN
5V, 12V
5V, 12V
5V, 12V
5V, 12V
5V, 12V
5V, 12V
POWER LOSS
CURVE
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
AIRFLOW
(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) *
13
11
8
12
8
7
* θ JA derived from laboratory measurements using a 95mm × 76mm PCB with 4 layers. Two outer
layers are 2oz copper and two inner layers are 1oz copper. PCB thickness is 1.6mm. BGA heat sink
references are listed in Table 4.
4627fc
For more information www.linear.com/LTM4627
21
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