VN920-E / VN920B5-E / VN920SO-E
SO-16L Thermal Data
Figure 23. SO-16L PC Board
Layout condition of Rth and Zth measurements (PCB FR4 area= 41mm x 48mm, PCB thickness=2mm,
Cu thickness=35µm, Copper areas: 0.5cm2, 6cm2).
Figure 24. SO-16L Rthj-amb Vs PCB copper area in open box free air condition
RTH j-amb (°C/W)
70
65
60
55
50
45
40
0
1
2
3
4
5
6
7
PCB Cu heatsink area (cm^2)
14/24