STM32F405xx, STM32F407xx
Electrical characteristics
Table 25. Typical and maximum current consumptions in V
mode
Max(1)
BAT
Typ
TA =
85 °C
TA =
105 °C
TA = 25 °C
Symbol Parameter
Conditions
Unit
VBAT
=
1.8 V
VBAT
=
3.3 V
VBAT
2.4 V
=
VBAT = 3.6 V
Backup SRAM ON, low-speed
oscillator and RTC ON
1.29
0.62
1.42
0.73
1.68
0.96
6
3
11
5
Backup
IDD_VBA domain
Backup SRAM OFF, low-speed
oscillator and RTC ON
µA
supply
current
T
Backup SRAM ON, RTC OFF
Backup SRAM OFF, RTC OFF
0.79
0.10
0.81
0.10
0.86
0.10
5
2
10
4
1. Based on characterization, not tested in production.
Figure 28. Typical V
current consumption (LSE and RTC ON/backup RAM OFF)
BAT
3.5
3
2.5
2
1.65V
1.8V
2V
2.4V
2.7V
3V
1.5
1
3.3V
3.6V
0.5
0
0
10
20
30
40
50
60
70
80
90
100
Te mpe r at ur e i n (° C)
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