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VN7140AS Datasheet(PDF) 27 Page - STMicroelectronics

Part # VN7140AS
Description  High-side driver with MultiSense analog feedback for automotive applications
PDF  45 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VN7140AS Datasheet(HTML) 27 Page - STMicroelectronics

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Equation: pulse calculation formula
ZTHδ = RTH · δ + ZTHtp (1 - δ)
where δ = tP/T
Figure 40. Thermal fitting model of a double-channel HSD in PowerSSO-16
Note:
The fitting model is a simplified thermal tool and is valid for transient evolutions where the embedded protections
(power limitation or thermal cycling during thermal shutdown) are not triggered.
Table 13. Thermal parameters
Area/island (cm2)
Footprint
2
8
4L
R1 (°C/W)
3.2
R2 (°C/W)
4.4
R3 (°C/W)
8
8
8
5
R4 (°C/W)
16
6
6
4
R5 (°C/W)
30
20
10
3
R6 (°C/W)
26
20
18
7
C1 (W.s/°C)
0.00012
C2 (W.s/°C)
0.005
C3 (W.s/°C)
0.1
C4 (W.s/°C)
0.2
0.3
0.3
0.4
C5 (W.s/°C)
0.4
1
1
4
C6 (W.s/°C)
3
5
7
18
VN7140AJ, VN7140AS
PowerSSO-16 thermal data
DS10830 - Rev 4
page 27/45



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