Datasheet
DocID028794 Rev 4 109/224
STM32L433xx Electrical characteristics
193
Table 35. Typical current consumption in Run and Low-power run modes, with different codes
running from Flash, ART disable
Symbol Parameter
Conditions TYP
Unit
TYP
Unit
-
Voltage
scaling
Code 25 °C 25 °C
I
DD_ALL
(Run)
Supply
current in
Run mode
f
HCLK
= f
HSE
up to
48 MHz included,
bypass mode
PLL ON above
48 MHz
all peripherals
disable
Range 2
f
HCLK
= 26 MHz
Reduced code
(1)
2.66
mA
102
µA/MHz
Coremark 2.44 94
Dhrystone 2.1 2.46 95
Fibonacci 2.27 87
While(1) 2.20 84.6
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
8.56
mA
107
µA/MHz
Coremark 8.00 100
Dhrystone 2.1 7.98 100
Fibonacci 7.41 93
While(1) 7.83 98
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
310
µA
155
µA/MHz
Coremark 342 171
Dhrystone 2.1 324 162
Fibonacci 324 162
While(1) 384 192
1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
Table 36. Typical current consumption in Run modes, with different codes running from
Flash, ART disable and power supplied by external SMPS (V
DD12
= 1.10 V)
Symbol Parameter
Conditions
(1)
TYP
Unit
TYP
Unit
-
Voltage
scaling
Code 25 °C 25 °C
I
DD_ALL
(Run)
Supply
current in
Run mode
f
HCLK
= f
HSE
up to
48 MHz included,
bypass mode
PLL ON above
48 MHz
all peripherals
disable
f
HCLK
= 26 MHz
Reduced code
(2)
1.15
mA
44
µA/MHz
Coremark 1.05 40
Dhrystone 2.1 1.06 41
Fibonacci 0.98 38
While(1) 0.95 37
f
HCLK
= 80 MHz
Reduced code
(2)
3.08 38
Coremark 2.88 36
Dhrystone 2.1 2.87 36
Fibonacci 2.66 33
While(1) 2.81 35
1. All values are obtained by calculation based on measurements done without SMPS and using following parameters: SMPS
input = 3.3 V, SMPS efficiency = 85%, V
DD12
= 1.10 V
2. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
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