STM32L053 datasheet(67/132 Pages) STMICROELECTRONICS

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DocID025844 Rev 7

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STM32L053x6 STM32L053x8

Electrical characteristics

112

Table 36. Typical and maximum current consumptions in Standby mode

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

IDD

(Standby)

Supply current in Standby

mode

Independent watchdog

and LSI enabled

TA = − 40 to 25°C

1.3

1.7

µA

TA = 55 °C

2.9

TA= 85 °C

3.3

TA = 105 °C

4.1

TA = 125 °C

8.5

Independent watchdog

and LSI OFF

TA = − 40 to 25°C

0.29

0.6

TA = 55 °C

0.32

0.9

TA = 85 °C

0.5

2.3

TA = 105 °C

0.94

TA = 125 °C

2.6

1. Guaranteed by characterization results at 125 °C, unless otherwise specified

Table 37. Average current consumption during Wakeup

Symbol

parameter

System frequency

Current

consumption

during wakeup

Unit

IDD (Wakeup from

Stop)

Supply current during Wakeup from

Stop mode

HSI

HSI/4

0,7

MSI clock = 4,2 MHz

0,7

MSI clock = 1,05 MHz

0,4

MSI clock = 65 KHz

0,1

IDD (Reset)

Reset pin pulled down

0,21

IDD (Power-up)

BOR ON

0,23

IDD (Wakeup from

StandBy)

With Fast wakeup set

MSI clock = 2,1 MHz

0,5

With Fast wakeup disabled

MSI clock = 2,1 MHz

0,12

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