S-8249AAP-M6T1U Datasheet, PDF (18/22 Pages) Seiko Instruments Inc – VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION

VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
S-8249 Series
 Thermal Characteristics
1. SOT-23-6
1.0
Board 2
0.81 W
0.8
Tj = 125C max.
Rev.1.2_00
0.6
Board 1
0.63 W
0.4
0.2
0
0
50
100
150
Ambient temperature (Ta) [C]
Figure 7 Power Dissipation of Package (When Mounted on Board)
1. 1 Board 1^*1
76.2 mm
Figure 8
Table 14
Item
Specification
Thermal resistance value
(θ_ja)
Size
159°C/W
114.3 mm × 76.2 mm × t1.6 mm
Material
FR-4
Number of copper foil layer 2
1 Land pattern and wiring for testing: t0.070 mm
Copper foil layer
2
3
−
−
4 74.2 mm × 74.2 mm × t0.070 mm
Thermal via
−
1. 2 Board 2^*1
76.2 mm
Figure 9
Table 15
Item
Specification
Thermal resistance value
(θ_ja)
Size
124°C/W
114.3 mm × 76.2 mm × t1.6 mm
Material
FR-4
Number of copper foil layer 4
1 Land pattern and wiring for testing: t0.070 mm
Copper foil layer
2 74.2 mm × 74.2 mm × t0.035 mm
3 74.2 mm × 74.2 mm × t0.035 mm
4 74.2 mm × 74.2 mm × t0.070 mm
Thermal via
−
*1. The board is same in SOT-23-3, SOT-23-5 and SOT-23-6.
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