STM32L431 datasheet(89/200 Pages) STMICROELECTRONICS

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Table 26. Current consumption in Run and Low-power run modes, code with data processing

running from Flash, ART disable

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

2.66

2.68

2.73

2.81

2.96

3.0

3.1

3.2

3.3

3.6

16 MHz

1.88

1.9

1.94

2.02

2.17

2.1

2.2

2.3

2.4

2.7

8 MHz

1.05

1.06

1.11

1.18

1.33

1.2

1.3

1.4

1.7

4 MHz

0.6

0.62

0.66

0.73

0.87

0.7

0.8

0.9

1.2

2 MHz

0.36

0.37

0.34

0.48

0.62

0.4

0.5

0.6

0.9

1 MHz

0.23

0.25

0.36

0.5

0.3

0.4

0.5

0.8

100 kHz

0.12

0.14

0.17

0.25

0.39

0.1

0.2

0.4

0.7

Range 1

80 MHz

8.56

8.61

8.69

8.79

8.97

9.6

9.7

9.8

10.0

10.3

72 MHz

7.74

7.79

7.86

7.96

8.14

8.7

8.8

9.0

9.4

64 MHz

7.63

7.68

7.75

7.85

8.04

8.6

8.7

8.9

9.3

48 MHz

6.36

6.4

6.48

6.58

6.76

7.2

7.3

7.4

7.6

7.9

32 MHz

4.56

4.6

4.66

4.76

4.93

5.2

5.3

5.5

5.8

24 MHz

3.45

3.48

3.54

3.64

3.8

3.9

4.0

4.1

4.2

4.6

16 MHz

2.48

2.51

2.56

2.65

2.82

2.8

2.9

3.0

3.1

3.5

IDD(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI

all peripherals disable

2 MHz

310

317

364

440

593

375.3

400.9

456.7

595.3

909.6

µA

1 MHz

157

173

226

296

448

204.8

234.2

298.2

445.8

758.9

400 kHz

72.6

130

206

356

99.7

131.2

199.7

349.3

663.7

100 kHz

32.3

89.7

164

314

52.4

82.1

153.3

301.2

616.9

1. Guaranteed by characterization results, unless otherwise specified.

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