Datasheet

DocID028794 Rev 4 111/224
STM32L433xx Electrical characteristics
193
Table 39. Typical current consumption in Run, with different codesrunning from
SRAM1 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)
1.04
mA
40
µA/MHz
Coremark 0.94 36
Dhrystone 2.1 1.04 40
Fibonacci 1.04 40
While(1) 0.99 38
f
HCLK
= 80 MHz
Reduced code
(2)
3.10 39
Coremark 2.79 35
Dhrystone 2.1 3.07 38
Fibonacci 3.08 38
While(1) 2.92 36
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.
Table 40. Typical current consumption in Run, with different codesrunning from
SRAM1 and power supplied by external SMPS (V
DD12
= 1.05 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)
0.95
mA
37
µA/MHz
Coremark 0.86 33
Dhrystone 2.1 0.94 36
Fibonacci 0.94 36
While(1) 0.90 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
= 1.05 V
2. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
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