STM32F051K4(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F051K4
(Rev.:2012)

Low- and medium-density advanced ARM™-based 32-bit MCU with 16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces

STMicroelectronics 

Electrical characteristics

STM32F051x

Table 28. Typical and maximum VDDA consumption in Stop and Standby modes

Typ @VDD (VDD = VDDA)

Max(1)

Symbol Parameter

Conditions

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

TA =

25 °C

TA = TA = Unit

85 °C 105 °C

Supply

current in

Stop mode

IDDA

Supply

current in

Standby

mode

Supply

current in

Stop mode

Supply

current in

Standby

mode

Regulator in run mode,

all oscillators OFF

1.85

2

2.15 2.3 2.45 2.6

3.5

3.5

4.5

Regulator in low-power

mode, all oscillators 1.85 2 2.15 2.3 2.45 2.6 3.5 3.5 4.5

OFF

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 2.15 2.3 2.5 3.5 3.5 4.5

µA

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 1.11 1.15 1.18 1.22 1.27 1.35 -

-

-

OFF

LSI ON and IWDG ON 1.5 1.58 1.65 1.78 1.91 2.04 -

-

-

LSI OFF and IWDG

OFF

1 1.02 1.05 1.05 1.15 1.22 -

-

-

1. Data based on characterization results, not tested in production.

Table 29. Typical and maximum current consumption from VBAT supply

Typ @ VBAT

Max(1)

Symbol Parameter

Conditions

TA = TA = TA = Unit

25 °C 85 °C 105 °C

IDD_VBAT

Backup

domain

supply

current

LSE & RTC ON; "Xtal

mode": lower driving

capability;

0.41 0.43 0.53 0.58 0.71 0.80

0.85

LSEDRV[1:0] = '00'

LSE & RTC ON; "Xtal

mode" higher driving

capability;

0.71 0.75 0.85 0.91 1.06 1.16

1.25

LSEDRV[1:0] = '11'

1. Data based on characterization results, not tested in production.

1.1

1.55

1.5

µA

2

50/105

Doc ID 022265 Rev 3

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