Datasheet

Electrical characteristics STM32L052x6 STM32L052x8
64/143 DocID025936 Rev 8
Table 33. Current consumption in Sleep mode
Symbol Parameter Conditions f
HCLK
Typ Max
(1)
Unit
I
DD
(Sleep)
Supply current
in Sleep
mode, Flash
OFF
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL ON)
(2)
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
1 MHz 43.5 90
µA
2 MHz 72 120
4 MHz 130 180
Range 2,
V
CORE
=1.5 V,
VOS[1:0]=10
4 MHz 160 210
8 MHz 305 370
16 MHz 590 710
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
8 MHz 370 430
16 MHz 715 860
32 MHz 1650 1900
MSI clock
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
65 kHz 18 65
524 kHz 31.5 75
4.2 MHz 140 210
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
=1.5 V,
VOS[1:0]=10
16 MHz 665 830
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
32 MHz 1750 2100
Supply current
in Sleep
mode, Flash
ON
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL ON)
(2)
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
1 MHz 57.5 130
2 MHz 84 170
4 MHz 150 280
Range 2,
CORE
=1.5 V,
VOS[1:0]=10
4 MHz 170 310
8 MHz 315 420
16 MHz 605 770
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
8 MHz 380 460
16 MHz 730 950
32 MHz 1650 2400
MSI clock
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
65 kHz 29.5 110
524 kHz 44.5 130
4.2 MHz 150 270
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
=1.5 V,
VOS[1:0]=10
16 MHz 680 950
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
32 MHz 1750 2100
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
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