Datasheet

1
0.5
3
0
0 2 4 6
2
1.5
2.5
3.5
8
0.3
300 ft/min
150ft/min
NaturalConvection
T
A
=55°C
(b)
1
0.5
3
0
0 2 4 6
2
1.5
2.5
3.5
8
0.3
300ft/min
150ft/min
NaturalConvection
T
A
=105°C
(c)
1
0.5
3
0
0 2 4 6
2
1.5
2.5
3.5
8
0.3
300ft/min
150ft/min
NaturalConvection
T
A
=25°C
(a)
CopperHeatsinkSize - cm
2
P PowerDissipationLimit- W
D
-
CopperHeatsinkSize - cm
2
P PowerDissipationLimit- W
D
-
CopperHeatsinkSize - cm
2
P PowerDissipationLimit- W
D
-
TPS70345, TPS70348
TPS70351, TPS70358
TPS70302
SLVS285H –AUGUST 2000–REVISED APRIL 2010 www.ti.com
Figure 35. Power Ratings of the PWP Package at Ambient Temperatures of +25°C, +55°C, and +105°C
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