Datasheet

DocID022799 Rev 6 63/132
STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Electrical characteristics
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Table 20. 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 70 130
µA
2 MHz 130 195
4 MHz 245 310
Range 2,
V
CORE
=1.5 V
VOS[1:0] = 10
4 MHz 250 310
8 MHz 365 440
16 MHz 735 830
Range 1,
V
CORE
=1.8 V
VOS[1:0] = 01
8 MHz 430 550
16 MHz 855 990
32 MHz 1850 2100
HSI clock source
(16 MHz)
Range 2,
V
CORE
=1.5 V
VOS[1:0] = 10
16 MHz 790 890
Range 1,
V
CORE
=1.8 V
VOS[1:0] = 01
32 MHz 1900 2200
MSI clock, 65 kHz
Range 3,
V
CORE
=1.2 V
VOS[1:0] = 11
65 kHz 30 60
MSI clock, 524 kHz 524 kHz 43 99
MSI clock, 4.2 MHz 4.2 MHz 160 210
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 70.5 130
2 MHz 130 190
4 MHz 255 320
Range 2,
V
CORE
=1.5 V
VOS[1:0] = 10
4 MHz 260 320
8 MHz 380 460
16 MHz 750 840
Range 1,
V
CORE
=1.8 V
VOS[1:0] = 01
8 MHz 440 540
16 MHz 870 1000
32 MHz 1900 2100
HSI clock source
(16 MHz)
Range 2,
V
CORE
=1.5 V
VOS[1:0] = 10
16 MHz 820 910
Range 1,
V
CORE
=1.8 V
VOS[1:0] = 01
32 MHz 1900 2200
Supply current
in Sleep
mode, code
executed from
Flash
MSI clock, 65 kHz
Range 3,
V
CORE
=1.2V
VOS[1:0] = 11
65 kHz 38 90
MSI clock, 524 kHz 524 kHz 52 96
MSI clock, 4.2 MHz 4.2 MHz 170 220