30
80
130
180
Q
JA
(
o
C/W)
0 0.5 1.5
COPPER AREA (sq. in.)
1
LP3891
www.ti.com
SNVS235D –SEPTEMBER 2003–REVISED APRIL 2013
Figure 21. θ
JA
vs Copper (1 ounce) Area for SO PowerPAD Package
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