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STM32U545NET3QTR 数据表(PDF) 176 Page - STMicroelectronics |
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STM32U545NET3QTR 数据表(HTML) 176 Page - STMicroelectronics |
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176 / 283 page ![]() Table 71. Current consumption in VBAT mode Symbol Parameter Conditions Typ Max(1) Unit -VBAT (V) 25°C 55°C 85°C 105°C 125°C 25°C 55°C 85°C 105°C 125°C IDD(VBAT) Supply current in VBAT mode (backup registers retained), RTC disabled - 1.8 0.05 0.22 1.10 2.95 8.00 0.12 0.55 2.80 7.40 20.00 µA 2.4 0.06 0.24 1.15 3.05 8.20 0.15 0.60 2.90 7.70 21.00 3.0 0.08 0.29 1.30 3.30 8.65 0.20 0.73 3.30 8.30 22.00 3.3 0.15 0.40 1.50 3.60 9.15 0.37 1.00 3.80 9.00 23.00 3.6 0.31 0.66 1.90 4.25 10.00 0.77 1.70 4.80 11.00 25.00 IDD(VBATwith RTC) Supply current in VBAT mode (backup registers retained), RTC enabled RTC(2) clocked by LSE bypassed at 32768 Hz 1.8 0.28 0.47 1.50 3.40 8.60 0.37 0.83 3.20 7.90 21.00 2.4 0.30 0.50 1.65 3.60 8.90 0.41 0.89 3.50 8.30 22.00 3.0 0.33 0.56 1.85 3.95 9.40 0.47 1.10 3.90 9.00 23.00 3.3 0.40 0.68 2.10 4.30 10.00 0.65 1.40 4.50 9.80 24.00 3.6 0.58 0.96 2.65 5.00 11.00 1.10 2.00 5.60 12.00 27.00 RTC(2) clocked by LSE bypassed at 32768 Hz, RT C_CALR.LPCAL = 1 1.8 0.28 0.47 1.40 3.35 8.50 0.62 1.10 3.60 8.40 22.00 2.4 0.30 0.50 1.50 3.45 8.75 0.67 1.20 3.90 8.70 22.00 3.0 0.32 0.56 1.70 3.75 9.25 0.74 1.40 4.30 9.50 24.00 3.3 0.40 0.68 1.95 4.10 9.80 0.93 1.70 5.00 11.00 25.00 3.6 0.58 0.96 2.40 4.80 11.00 1.40 2.40 6.20 13.00 28.00 RTC(2) clocked by LSE quartz in low-drive 1.8 0.45 0.65 1.60 3.50 8.75 - - - - - 2.4 0.51 0.73 1.70 3.65 9.00 - - - - - 3.0 0.59 0.83 1.85 3.95 9.45 - - - - - 3.3 0.69 0.98 2.10 4.30 10.00 - - - - - 3.6 0.89 1.30 2.60 5.00 11.00 - - - - - |
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