Datasheet

Electrical characteristics STM32L431xx
90/200 DocID028800 Rev 1
Table 27. Current consumption in Run and Low-power run modes, code with data processing
running from SRAM1
Symbol Parameter
Conditions TYP MAX
(1)
Unit
-
Voltage
scaling
f
HCLK
25 °C 55 °C 85 °C
105
°C
125
°C
25 °C 55 °C 85 °C
105
°C
125
°C
I
DD
(Run)
Supply
current in
Run mode
f
HCLK
= f
HSE
up to
48MHz included,
bypass mode
PLL ON above
48 MHz all
peripherals disable
Range 2
26 MHz 2.42 2.43 2.49 2.56 2.71 2.7 2.7 2.8 3.0 3.3
mA
16 MHz 1.54 1.55 1.6 1.67 1.82 1.7 1.7 1.8 2.0 2.3
8 MHz 0.82 0.84 0.88 0.95 1.1 0.9 1.0 1.0 1.2 1.5
4 MHz 0.47 0.48 0.52 0.59 0.73 0.5 0.6 0.6 0.8 1.1
2 MHz 0.29 0.3 0.34 0.41 0.55 0.3 0.4 0.4 0.6 0.9
1 MHz 0.2 0.21 0.25 0.32 0.46 0.2 0.3 0.3 0.5 0.8
100 kHz 0.12 0.13 0.17 0.24 0.38 0.1 0.2 0.2 0.4 0.7
Range 1
80 MHz 8.63 8.68 8.74 8.84 9.01 9.5 9.6 9.7 9.9 10.2
72 MHz 7.79 7.83 7.9 7.99 8.17 8.6 8.6 8.8 8.9 9.3
64 MHz 6.95 6.99 7.05 7.15 7.32 7.7 7.7 7.9 8.0 8.4
48 MHz 5.19 5.22 5.29 5.38 5.55 5.8 5.8 5.9 6.1 6.5
32 MHz 3.51 3.53 3.6 3.68 3.85 3.9 4.0 4.1 4.2 4.6
24 MHz 2.66 2.68 2.74 2.83 2.99 3.0 3.0 3.1 3.3 3.6
16 MHz 1.82 1.84 1.89 1.98 2.14 2.0 2.1 2.2 2.3 2.7
I
DD
(LPRun)
Supply
current in
low-power
run mode
f
HCLK
= f
MSI
all peripherals disable
FLASH in power-down
2 MHz 205 228 275 352 501 276.5 302.3 358.4 502.5 816.4
µA
1 MHz 111 126 175 248 397 151.3 180.9 245.3 390.7 703.4
400 kHz 49.2 62.7 108 181 330 73.3 104.0 170.8 321.0 632.4
100 kHz 21.5 33.3 76.6 151 299 36.4 67.7 137.2 287.8 600.8
1. Guaranteed by characterization results, unless otherwise specified.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.