STM32L432KB datasheet(74/149 Pages) STMICROELECTRONICS

74 / 149 page

Table 31. Current consumption in Low-power sleep modes, Flash in power-down

Symbol

Parameter

Conditions

TYP

MAX(1)

Unit

Voltage

scaling

fHCLK

25 °C 55 °C 85 °C

105 °C 125 °C 25 °C

55 °C

85 °C 105 °C 125 °C

IDD(LPSleep

)

Supply current

in low-power

sleep mode

fHCLK = fMSI

all peripherals disable

2 MHz

58.7

70.7

103.2

153.7

248.5

113

180

330

641

µA

1 MHz

39.4

47.2

79.3

129.6

224.8

154

304

616

400 kHz

20.8

30.8

62.1

112.5

207.8

137

286

597

100 kHz

14.3

23.1

55.1

105.7

201.5

130

279

590

1. Guaranteed by characterization results, unless otherwise specified.

Table 32. Current consumption in Stop 2 mode

Symbol

Parameter

Conditions

TYP

MAX(1)

Unit

-VDD 25 °C 55 °C 85 °C 105 °C 125 °C 25 °C 55 °C

85 °C 105 °C 125 °C

IDD (Stop 2)

Supply current in

Stop 2 mode,

RTC disabled

1.8 V

2.54

8.74

19.8

43.4

2.0

5.6

21.1

50.8

116.0

µA

2.4 V

1.02

2.59

8.89

20.2

44.3

2.1

5.8

21.6

52.3

119.6

3 V

1.06

2.67

9.11

20.7

45.5

2.1

5.9

22.2

53.7

123.2

3.6 V

1.23

2.88

9.56

21.6

47.3

2.3

6.1

23.0

55.8

127.9

IDD (Stop 2

with RTC)

Supply current in

Stop 2 mode,

RTC enabled

RTC clocked by LSI

1.8 V

1.3

2.82

9.02

20.1

43.6

2.5

6.2

21.6

51.3

116.3

µA

2.4 V

1.39

2.95

9.24

20.5

44.6

2.8

6.4

22.3

52.8

120.0

3 V

1.5

3.11

9.55

21.1

45.8

3.0

6.8

23.0

54.5

123.8

3.6 V

1.76

3.42

10.1

22.1

47.8

3.3

7.2

24.1

56.7

128.7

RTC clocked by LSE

bypassed at 32768 Hz

1.8 V

1.36

2.9

9.1

20.1

43.7

2.4 V

1.48

3.09

9.44

20.8

3 V

1.83

3.67

10.4

22.3

47.3

3.6 V

3.58

6.17

13.9

26.6

RTC clocked by LSE

quartz(2)

in low drive mode

1.8 V

1.28

2.81

9.13

20.8

2.4 V

1.39

2.93

9.34

21.3

3 V

1.59

3.1

9.64

21.8

3.6 V

1.86

3.45

10.2

22.8

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