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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32WB10CC датащи(PDF) 107 Page - STMicroelectronics |
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STM32WB10CC датащи(HTML) 107 Page - STMicroelectronics |
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107 / 110 page  DS13259 Rev 2 107/110 STM32WB10CC Package information 107 The following example show how to calculate the temperature range needed for a given application. Example: High-performance application Assuming the following application conditions: Maximum ambient temperature TA max = 82 °C (measured according to JESD51-2), IDD max = 50 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 and maximum 8 I/Os used at the same time in output at low level with IOL = 20 mA, VOL= 1.3 V PINT max = 50 mA × 3.5 V = 175 mW PIO max = 20 × 8 mA × 0.4 V + 8 × 20 mA × 1.3 V = 272 mW This gives: PINT max = 175 mW and PIO max = 272 mW PD max = 175 + 272 = 447 mW Using the values obtained in Table 80 TJ max is calculated as follows: – For UFQFPN48, 27.7 °C / W TJ max = 82 °C + (27.7 °C / W × 447 mW) = 82 °C + 12 °C = 94 °C This is within the range of the suffix 5 version parts (–10 < TJ < 105 °C), see Section 8. |
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