Datasheet

STM32L452xx Electrical characteristics
DocID029968 Rev 3 109/210
Table 42. Current consumption in Sleep and Low-power sleep modes, Flash ON
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_ALL
(Sleep)
Supply
current in
sleep
mode,
f
HCLK
= f
HSE
up
to 48 MHz included, bypass mode pll ON above 48 MHz all peripherals disable
Range 2
26 MHz 0.700 0.730 0.830 1.00 1.35 0.80 0.90 1.05 1.30 1.90
mA
16 MHz 0.475 0.505 0.605 0.775 1.10 0.55 0.65 0.80 1.05 1.65
8 MHz 0.300 0.325 0.425 0.590 0.920 0.35 0.45 0.60 0.85 1.45 4 MHz 0.210 0.235 0.335 0.500 0.830 0.25 0.30 0.45 0.75 1.35 2 MHz 0.165 0.190 0.290 0.455 0.785 0.20 0.25 0.40 0.70 1.25 1 MHz 0.145 0.170 0.265 0.430 0.760 0.15 0.25 0.40 0.65 1.25
100 kHz 0.125 0.150 0.245 0.410 0.740 0.15 0.20 0.35 0.65 1.20
Range 1
80 MHz 2.30 2.35 2.45 2.65 3.05 2.55 2.65 2.85 3.15 3.80 72 MHz 2.10 2.15 2.25 2.45 2.80 2.35 2.40 2.60 2.90 3.55 64 MHz 1.90 1.90 2.05 2.25 2.60 2.10 2.20 2.35 2.70 3.35 48 MHz 1.40 1.40 1.55 1.75 2.15 1.60 1.65 1.85 2.15 2.80 32 MHz 0.970 1.00 1.15 1.30 1.70 1.10 1.20 1.40 1.70 2.35 24 MHz 0.765 0.800 0.920 1.10 1.50 0.90 0.95 1.15 1.45 2.10 16 MHz 0.555 0.590 0.705 0.895 1.25 0.65 0.75 0.90 1.20 1.85
I
DD_ALL
(LPSleep)
Supply
current in
low-power
sleep
mode
f
HCLK
= f
MSI
all peripherals disable
2 MHz 76.0 110 215 395 745 120 185 355 610 1250
µA
1 MHz 54.0 86.5 195 370 725 88.5 160 335 585 1250
400 kHz 39.0 70.5 175 355 710 68.5 140 320 570 1200 100 kHz 35.5 75.0 195 345 715 66.0 130 305 560 1200
1. Guaranteed by characterization results, unless otherwise specified.
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