STM32L431 datasheet(90/200 Pages) STMICROELECTRONICS

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Table 27. Current consumption in Run and Low-power run modes, code with data processing

running from SRAM1

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(Run)

Supply

current in

Run mode

fHCLK = fHSE up to

48MHz included,

bypass mode

PLL ON above

48 MHz all

peripherals disable

Range 2

26 MHz

2.42

2.43

2.49

2.56

2.71

2.7

2.8

3.0

3.3

16 MHz

1.54

1.55

1.6

1.67

1.82

1.7

1.8

2.0

2.3

8 MHz

0.82

0.84

0.88

0.95

1.1

0.9

1.0

1.2

1.5

4 MHz

0.47

0.48

0.52

0.59

0.73

0.5

0.6

0.8

1.1

2 MHz

0.29

0.3

0.34

0.41

0.55

0.3

0.4

0.6

0.9

1 MHz

0.2

0.21

0.25

0.32

0.46

0.2

0.3

0.5

0.8

100 kHz

0.12

0.13

0.17

0.24

0.38

0.1

0.2

0.4

0.7

Range 1

80 MHz

8.63

8.68

8.74

8.84

9.01

9.5

9.6

9.7

9.9

10.2

72 MHz

7.79

7.83

7.9

7.99

8.17

8.6

8.8

8.9

9.3

64 MHz

6.95

6.99

7.05

7.15

7.32

7.7

7.9

8.0

8.4

48 MHz

5.19

5.22

5.29

5.38

5.55

5.8

5.9

6.1

6.5

32 MHz

3.51

3.53

3.6

3.68

3.85

3.9

4.0

4.1

4.2

4.6

24 MHz

2.66

2.68

2.74

2.83

2.99

3.0

3.1

3.3

3.6

16 MHz

1.82

1.84

1.89

1.98

2.14

2.0

2.1

2.2

2.3

2.7

IDD(LPRun)

Supply

current in

low-power

run mode

fHCLK = fMSI

all peripherals disable

FLASH in power-down

2 MHz

205

228

275

352

501

276.5

302.3

358.4

502.5

816.4

µA

1 MHz

111

126

175

248

397

151.3

180.9

245.3

390.7

703.4

400 kHz

49.2

62.7

108

181

330

73.3

104.0

170.8

321.0

632.4

100 kHz

21.5

33.3

76.6

151

299

36.4

67.7

137.2

287.8

600.8

1. Guaranteed by characterization results, unless otherwise specified.

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