Datasheet

Electrical characteristics STM32L031x4/6
64/126 DS10668 Rev 6
Table 32. Typical and maximum current consumptions in Standby mode
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD
(Standby)
Supply current in Standby
mode
Independent watchdog
and LSI enabled
T
A
= -40 °C to 25 °C 0.8 1.6
µA
T
A
= 55 °C 0.9 1.8
T
A
= 85 °C 1 2
T
A
= 105 °C 1.3 3
T
A
= 125 °C 2.15 7
Independent watchdog
and LSI off
T
A
= -40 °C to 25 °C 0.255 0.6
T
A
= 55 °C 0.28 0.7
T
A
= 85 °C 0.405 1
T
A
= 105 °C 0.7 1.7
T
A
= 125 °C 1.55 5
1. Guaranteed by characterization results at 125 °C, unless otherwise specified
Table 33. Average current consumption during wakeup
Symbol parameter System frequency
Current
consumption
during wakeup
Unit
I
DD
(WU from
Stop)
Supply current during wakeup from
Stop mode
HSI 1
mA
HSI/4 0.7
MSI 4,2 MHz 0.7
MSI 1,05 MHz 0.4
MSI 65 KHz 0.1
I
DD
(Reset) Reset pin pulled down - 0.21
I
DD
(Power Up) BOR on - 0.23
I
DD
(WU from
StandBy)
With Fast wakeup set MSI 2,1 MHz 0.5
With Fast wakeup disabled MSI 2,1 MHz 0.12
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