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VN7040ASTR 数据表(PDF) 39 Page - STMicroelectronics

部件名 VN7040ASTR
功能描述  High-side driver with MultiSense analog feedback for automotive applications
PDF  55 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VN7040ASTR 数据表(HTML) 39 Page - STMicroelectronics

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VN7040AJ, VN7040AS
Package and PCB thermal data
DocID027400 Rev 3
39/55
Figure 45: PowerSSO-16 Rthj-amb vs PCB copper area in open box free air condition (one
channel on)
Figure 46: PowerSSO-16 thermal impedance junction ambient single pulse (one channel on)
Equation: pulse calculation formula
ZTHδ = RTH · δ + ZTHtp (1 - δ)
where δ = tP/T
GAPGCFT01141
30
40
50
60
70
80
90
0
2
4
6
8
10
RTHjamb
RTHjamb
RTHj_amb on 4Layer PCB: 23.5°C/W
GAPGCFT01142
0.1
1
10
100
0.0001
0.001
0.01
0.1
1
10
100
1000
ZTH (°C/W)
Time (s)
Cu=foot print
Cu=2 cm2
Cu=8 cm2
4 Layer



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