Datasheet

L4995 Package and PCB thermal data
Doc ID 13103 Rev 14 21/35
Figure 33. PowerSSO-12 thermal impedance junction ambient single pulse
Equation 4: pulse calculation formula
where δ = t
P
/T
Figure 34. Thermal fitting model of Vreg in PowerSSO-12
0,1
1
10
100
0,0001 0,001 0,01 0,1 1 10 100 1000
Time ( s)
ZTH (°C/ W)
Footprint
8 cm
2
2 cm
2
Z
THδ
R
TH
δ Z
THtp
1 δ–()+⋅=
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