Datasheet

STM32L433xx Electrical characteristics
DocID028794 Rev 4 113/224
Table 42. Current consumption in Sleep, Flash ON and power supplied by external SMPS
(V
DD12
= 1.10 V)
Symbol Parameter
Conditions
(1)
TYP
Unit
-f
HCLK
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
80 MHz 0.80 0.81 0.83 0.86 0.91
mA
72 MHz 0.73 0.73 0.75 0.78 0.84 64 MHz 0.65 0.66 0.68 0.71 0.77 48 MHz 0.48 0.49 0.51 0.54 0.60 32 MHz 0.33 0.34 0.36 0.39 0.45 24 MHz 0.26 0.27 0.29 0.32 0.37 16 MHz 0.19 0.20 0.22 0.24 0.30
8 MHz 0.13 0.13 0.15 0.18 0.24 4 MHz 0.09 0.09 0.11 0.14 0.20 2 MHz 0.07 0.07 0.09 0.12 0.18 1 MHz 0.06 0.06 0.08 0.11 0.17
100 kHz 0.05 0.06 0.07 0.10 0.16
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
Table 43. Current consumption in Low-power sleep modes, Flash in power-down
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
(LPSleep)
Supply current
in low-power
sleep mode
f
HCLK
= f
MSI
all peripherals disable
2 MHz 58.7 70.7 103.2 153.7 248.5 80 113 180 330 641
µA
1 MHz 39.4 47.2 79.3 129.6 224.8 53 86 154 304 616
400 kHz 20.8 30.8 62.1 112.5 207.8 35 67 137 286 597 100 kHz 14.3 23.1 55.1 105.7 201.5 27 58 130 279 590
1. Guaranteed by characterization results, unless otherwise specified.
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