Datasheet
Electrical characteristics STM32F051x4 STM32F051x6 STM32F051x8
52/121 DocID022265 Rev 6
Table 27. Typical and maximum current consumption in Stop and Standby modes
Sym-
bol
Para-
meter
Conditions
Typ @V
DD
(V
DD
= V
DDA
)Max
(1)
Unit
2.0 V 2.4 V 2.7 V 3.0 V 3.3 V 3.6 V
T
A
=
25 °C
T
A
=
85 °C
T
A
=
105 °C
I
DD
Supply
current
in Stop
mode
Regulator in run
mode, all oscillators
OFF
15 15.1 15.3 15.5 15.7 16
(2) (2)
µA
Regulator in low-
power mode, all
oscillators OFF
3.2 3.3 3.4 3.5 3.7 4
(2) (2)
Supply
current
in
Standby
mode
LSI ON and IWDG
ON
0.8 1.0 1.1 1.2 1.4 1.5 - - -
LSI OFF and IWDG
OFF
0.7 0.8 0.9 1.0 1.1 1.3 2
(2)
2.5 3
(2)
I
DDA
Supply
current
in Stop
mode
V
DDA
monitoring ON
Regulator in run
mode, all
oscillators OFF
1.9 2 2.2 2.3 2.5 2.6 3.5
(2)
3.5 4.5
(2)
Regulator in low-
power mode, all
oscillators OFF
1.9 2 2.2 2.3 2.5 2.6 3.5
(2)
3.5 4.5
(2)
Supply
current
in
Standby
mode
LSI ON and
IWDG ON
2.3 2.5 2.7 2.9 3.1 3.3 - - -
LSI OFF and
IWDG OFF
1.8 1.9 2 2.2 2.3 2.5 3.5
(2)
3.5 4.5
(2)
Supply
current
in Stop
mode
V
DDA
monitoring OFF
Regulator in run
mode, all
oscillators OFF
1.1 1.2 1.2 1.2 1.3 1.4 - - -
Regulator in low-
power mode, all
oscillators OFF
1.1 1.2 1.2 1.2 1.3 1.4 - - -
Supply
current
in
Standby
mode
LSI ON and
IWDG ON
1.5 1.6 1.7 1.8 1.9 2.0 - - -
LSI OFF and
IWDG OFF
1 1.0 1.1 1.1 1.2 1.2 - - -
1. Data based on characterization results, not tested in production unless otherwise specified.
2. Data based on characterization results and tested in production (using one common test limit for sum of I
DD
and I
DDA
).
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