STM32U545NET3QTR datasheet(172/283 Pages) STMICROELECTRONICS

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IDD(Standby with

RTC)

Supply current in

Standby mode (backup

registers retained),

RTC enabled

RTC(2) clocked

by LSI 32 kHz,

no IWDG(3)

1.8

0.52

0.98

3.36

8.54

24.30

0.58

1.70

6.80

18.00

46.00

µA

2.4

0.62

1.10

3.58

8.93

25.20

0.73

1.90

7.30

19.00

49.00

3.0

0.78

1.39

4.16

9.98

27.30

1.00

2.50

8.60

21.00

53.00

3.3

1.03

1.84

5.04

11.40 29.90

1.60

3.50

11.00 25.00

59.00

3.6

1.66

2.84

6.82

14.10 34.40

3.10

5.90

15.00 31.00

69.00

RTC(2) clocked

by LSI 250 Hz,

no IWDG(3)

1.8

0.37

0.83

3.20

8.40

24.20

0.54

1.70

7.20

21.00

46.00

2.4

0.41

0.90

3.37

8.72

25.00

0.61

1.90

7.50

22.00

49.00

3.0

0.50

1.11

3.89

9.70

27.00

0.83

2.40

8.80

25.00

53.00

3.3

0.73

1.53

4.73

11.10 29.60

1.40

3.40

11.00 28.00

59.00

3.6

1.31

2.50

6.48

13.80 34.10

2.80

5.80

16.00 35.00

69.00

RTC(2) clocked

by LSE

bypassed at

32768 Hz

1.8

0.51

0.98

3.38

8.59

24.50

0.70

1.90

7.30

21.00

47.00

2.4

0.58

1.08

3.58

8.97

25.30

0.85

2.10

7.80

22.00

49.00

3.0

0.73

1.36

4.17

10.00 27.40

1.20

2.70

9.10

25.00

53.00

3.3

0.99

1.82

5.05

11.50 30.10

1.70

3.80

12.00 29.00

59.00

3.6

1.64

2.85

6.87

14.20 34.70

3.20

6.20

16.00 35.00

70.00

RTC(2) clocked

by LSE quartz

in low-drive

mode

1.8

0.62

1.11

3.52

8.60

22.10

2.4

0.66

1.18

3.70

8.97

22.90

3.0

0.76

1.40

4.23

9.92

24.80

3.3

0.99

1.83

5.07

11.30 27.20

3.6

1.59

2.81

6.82

14.00 31.50

Table 67. Current consumption in Standby mode (continued)

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

-VDD (V) 25°C 55°C 85°C 105°C 125°C 25°C 55°C 85°C 105°C 125°C

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