Mikroelektronika MikroE Development Kits MIKROE-1105 Data Sheet
Product codes
MIKROE-1105
DocID022152 Rev 4
STM32F405xx, STM32F407xx
Electrical characteristics
Figure 28. Typical V
BAT
current consumption (LSE and RTC ON/backup RAM OFF)
Table 25. Typical and maximum current consumptions in V
BAT
mode
Symbol
Parameter
Conditions
Typ
Max
(1)
Unit
T
A
= 25 °C
T
A
=
85 °C
T
A
=
105 °C
V
BAT
=
1.8 V
V
BAT
=
2.4 V
V
BAT
=
3.3 V
V
BAT
= 3.6 V
I
DD_VBA
T
Backup
domain
supply
current
domain
supply
current
Backup SRAM ON, low-speed
oscillator and RTC ON
oscillator and RTC ON
1.29
1.42
1.68
6
11
µA
Backup SRAM OFF, low-speed
oscillator and RTC ON
oscillator and RTC ON
0.62
0.73
0.96
3
5
Backup SRAM ON, RTC OFF
0.79
0.81
0.86
5
10
Backup SRAM OFF, RTC OFF
0.10
0.10
0.10
2
4
1. Based on characterization, not tested in production.
MS19990V1
0
0.5
1
1.5
2
2.5
3
3.5
0
10
20
30
40
50
60
70
80
90
100
IV
BA
T i
n (
μA
)
Temperature in (°C)
1.65V
1.8V
2V
2.4V
2.7V
3V
3.3V
3.6V