Datasheet

Package and PC board thermal data VNL5160N3-E, VNL5160S5--E
20/27 DocID16364 Rev 3
Figure 15. SO-8 R
thj-amb
vs PCB copper area in open box free air condition
Figure 16. SO-8 thermal impedance junction ambient single pulse
Equation 2: pulse calculation formula
where δ = t
P
/T
RTHj_amb(°C/W)
RTHjamb
65
75
85
95
105
115
00.511.522.5
PCB Cu heatsink area (cm^2) - (refer to PCB layout)
footprint
0.1
1
10
100
1000
0.0001 0.001 0.01 0.1 1 10 100 1000
Time (s)
ZTH (°C/W)
Footprint
2 cm
2
Z
TH
δ
R
TH
δ Z
THtp
1 δ–()+⋅=