Datasheet
STM32L452xx Electrical characteristics
DocID029968 Rev 3 115/210
Table 48. Current consumption in Standby mode
Symbol Parameter
Conditions TYP MAX
(1)
Unit
-V
DD
25 °C 55 °C 85 °C 105 °C 125 °C 25 °C 55 °C 85 °C 105 °C 125 °C
I
DD_ALL
(Standby)
Supply current
in Standby
mode (backup
registers
retained),
RTC disabled
no independent watchdog
1.8 V 100 270 1200 3300 8650 205 650 3250 9250 25000
nA
2.4 V 110 305 1400 3850 10000 225 750 3750 11000 29000
3 V 125 360 1650 4550 12000 290 950 4450 13000 33500
3.6 V 160 445 2000 5500 14500 355 1150 5250 15000 38500
with independent
watchdog
1.8 V 265 435 1350 3450 8700 - - - - -
2.4 V 335 540 1650 4100 10500 - - - - -
3 V 420 655 1950 4850 12500 - - - - -
3.6 V 580 895 2450 5950 14500 - - - - -
I
DD_ALL
(Standby
with RTC)
Supply current
in Standby
mode (backup
registers
retained),
RTC enabled
RTC clocked by LSI, no
independent watchdog
1.8 V 345 505 1400 3450 8600 720 1150 3750 9550 25000
nA
2.4 V 420 620 1650 4050 10000 875 1450 4400 11500 29000
3 V 510 745 2000 4750 12000 1070 1700 5100 13500 34000
3.6 V 635 915 2450 5900 14500 1320 2100 6000 15500 39000
RTC clocked by LSI, with
independent watchdog
1.8 V 375 540 1450 3550 8800 - - - - -
2.4 V 490 690 1800 4250 10500 - - - - -
3 V 620 860 2150 5100 12500 - - - - -
3.6 V 845 1150 2700 6200 15000 - - - - -
RTC clocked by LSE
bypassed at 32768Hz
1.8 V 395 - - - - - - - - -
nA
2.4 V 500 - - - - - - - - -
3 V 625 - - - - - - - - -
3.6 V 795 - - - - - - - - -
RTC clocked by LSE
quartz
(2)
in low drive mode
1.8 V 375 550 1500 3550 8800 - - - - -
2.4 V 460 665 1750 4250 10500 - - - - -
3 V 565 810 2100 5050 12500 - - - - -
3.6 V 720 1000 2600 5900 15000 - - - - -
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