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VN7140ASTR Datasheet(PDF) 40 Page - STMicroelectronics |
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VN7140ASTR Datasheet(HTML) 40 Page - STMicroelectronics |
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40 / 55 page ![]() Package and PCB thermal data VN7140AJ, VN7140AS 40/55 DocID027401 Rev 3 Figure 47: Thermal fitting model of a double-channel HSD in PowerSSO-16 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 15: 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 |
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