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STM32G47PBY6TR Datasheet(PDF) 225 Page - STMicroelectronics |
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STM32G47PBY6TR Datasheet(HTML) 225 Page - STMicroelectronics |
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225 / 229 page  DS12712 Rev 3 225/229 STM32G473xB STM32G473xC STM32G473xE Package information 225 Assuming the following application conditions: Maximum ambient temperature TAmax = 100 °C (measured according to JESD51-2), IDDmax = 20 mA, VDD = 3.5 V, maximum 20 I/Os used at the same time in output at low level with IOL = 8 mA, VOL= 0.4 V PINTmax = 20 mA × 3.5 V= 70 mW PIOmax = 20 × 8 mA × 0.4 V = 64 mW This gives: PINTmax = 70 mW and PIOmax = 64 mW: PDmax = 70 + 64 = 134 mW Thus: PDmax = 134 mW Using the values obtained in TJmax is calculated as follows: – For LQFP100, 42 °C/W TJmax = 100 °C + (42 °C/W × 134 mW) = 100 °C + 5.628 °C = 105.628 °C This is above the range of the suffix 6 version parts (–40 < TJ < 105 °C). In this case, parts must be ordered at least with the temperature range suffix 3 (see Section 7: Ordering information) unless we reduce the power dissipation in order to be able to use suffix 6 parts. |
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