S-19500A03A-E8T1U4 Datasheet, PDF (46/52 Pages) Seiko Instruments Inc – CMOS VOLTAGE REGULATOR WITH WATCHDOG TIMER AND RESET FUNCTION

FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH WATCHDOG TIMER AND RESET FUNCTION
S-19500/19501 Series
Rev.1.2_01
 Thermal Characteristics
1. HSOP-8A
5.0
Board 5
4.03 W
4.0
Board 4
3.38 W
3.0 _{Board 3}
3.21 W
2.0
Board 2
1.69 W
Tj = 150C max.
1.0 Board 1
1.20 W
0
0
50
100
150
Ambient temperature (Ta) [C]
Figure 51 Power Dissipation of Package (When Mounted on Board)
1. 1 Board 1
76.2 mm
Figure 52
Table 17
Item
Specification
Thermal resistance value
(θja)
Size
104°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
76.2 mm
Figure 53
Table 18
Item
Specification
Thermal resistance value
(θja)
Size
74°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
−
46