STM32F051C6 datasheet(49/104 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F051x

50/105

Doc ID 022265 Rev 3

Table 28.

Typical and maximum VDDA consumption in Stop and Standby modes

Symbol Parameter

Conditions

Typ @VDD (VDD = VDDA)Max

(1)

Unit

2.0 V 2.4 V 2.7 V 3.0 V 3.3 V 3.6 V

TA =

25 °C

TA =

85 °C

TA =

105 °C

IDDA

Supply

current in

Stop mode

Regulator in run mode,

all oscillators OFF

1.85

2.15

2.3

2.45

2.6

3.5

4.5

µA

Regulator in low-power

mode, all oscillators

OFF

1.85

2.15

2.3

2.45

2.6

3.5

4.5

Supply

current in

Standby

mode

LSI ON and IWDG ON

2.25

2.5

2.65 2.85 3.05

3.3

LSI OFF and IWDG

OFF

1.75

1.9

2.15

2.3

2.5

3.5

4.5

Supply

current in

Stop mode

Regulator in run mode,

all oscillators OFF

1.11 1.15 1.18 1.22 1.27 1.35

Regulator in low-power

mode, all oscillators

OFF

1.11 1.15 1.18 1.22 1.27 1.35

Supply

current in

Standby

mode

LSI ON and IWDG ON

1.5

1.58 1.65 1.78 1.91 2.04

LSI OFF and IWDG

OFF

1.02 1.05 1.05 1.15 1.22

Data based on characterization results, not tested in production.

Table 29.

Typical and maximum current consumption from VBAT supply

Symbol

Parameter

Conditions

Typ @ VBAT

Max(1)

Unit

TA =

25 °C

TA =

85 °C

TA =

105 °C

IDD_VBAT

Backup

domain

supply

current

LSE & RTC ON; "Xtal

mode": lower driving

capability;

LSEDRV[1:0] = '00'

0.41 0.43 0.53 0.58 0.71 0.80

0.85

1.1

1.5

µA

LSE & RTC ON; "Xtal

mode" higher driving

capability;

LSEDRV[1:0] = '11'

0.71 0.75 0.85 0.91 1.06 1.16

1.25

1.55

Data based on characterization results, not tested in production.

STM32F051C6 Datasheet(PDF) 49 Page - STMicroelectronics

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