Datasheet

Electrical characteristics STM32L031x4/6
60/126 DS10668 Rev 6
Table 28. Current consumption in Sleep mode
Symbol Parameter Conditions f
HCLK
Typ Max
(1)
Unit
I
DD
(Sleep)
Supply current
in Sleep
mode, Flash
memory 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
=1.2V,
VOS[1:0] = 11
1 MHz 36.5 87
µA
2 MHz 58 100
4 MHz 100 170
Range 2,
V
CORE
= 1.5 V,
VOS[1:0] = 10
4 MHz 125 190
8 MHz 230 310
16 MHz 450 540
Range 1,
V
CORE
= 1.8 V,
VOS[1:0] = 01
8 MHz 275 360
16 MHz 555 650
32 MHz 1350 1600
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
= 1.5 V,
VOS[1:0] = 10
16 MHz 585 690
Range 1,
V
CORE
= 1.8 V,
VOS[1:0] = 01
32 MHz 1500 1700
MSI clock
Range 3,
V
CORE
=1.2V,
VOS[1:0] = 11
65 kHz 17 43
524 kHz 28 55
4.2 MHz 115 190
Supply current
in Sleep
mode, Flash
memory 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 49 160
2 MHz 69 190
4 MHz 115 230
Range 2,
V
CORE
=1.5V,
VOS[1:0] = 10
4 MHz 135 200
8 MHz 240 320
16 MHz 460 550
Range 1,
V
CORE
= 1.8 V,
VOS[1:0]=01
8 MHz 290 370
16 MHz 565 670
32 MHz 1350 1600
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
= 1.5 V,
VOS[1:0]=10
16 MHz 600 700
Range 1,
V
CORE
= 1.8 V,
VOS[1:0] = 01
32 MHz 1500 1700
MSI clock
Range 3,
V
CORE
=1.2V,
VOS[1:0] = 11
65 kHz 28 55
524 kHz 39.5 67
4.2 MHz 125 200
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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