SA5778 Datasheet, PDF (9/16 Pages) NXP Semiconductors – Serial triple gauge driver STGD

Philips Semiconductors
Serial triple gauge driver (STGD)
Product specification
SA5778
50
Θ_JA (°C/W)
45
40
1.4W LIMIT
35
30
25
0
500
1000
1500
2000
2500
3000
PCB COPPER HEAT SINK AREA (SQ mm)
Figure 8. θ_JA for SO28 with 8 Fused Pins
One-sided PCB (2 oz. Copper), e = 0.9, T_amb = 105°C, P = 1.4–1.8W
3500
SR01497
45
Θ_JA (°C/W)
40
1.4W LIMIT
35
30
25
0
500
1000
1500
2000
2500
PCB COPPER HEAT SINK AREA (SQ mm)
Figure 9. θ_JA for SO28 with 8 Fused Pins
Two-sided PCB (2 oz. Copper), e = 0.9, T_amb = 105°C, P = 1.4–1.8W
3000
SR01498
1998 Apr 03
9