Datasheet

DS9118 Rev 14 67/149
STM32F303xB STM32F303xC Electrical characteristics
125
Figure 13. Typical V
BAT
current consumption (LSE and RTC ON/LSEDRV[1:0] = ’00’)
Table 34. Typical and maximum current consumption from V
BAT
supply
Symbol
Para
meter
Conditions
(1)
Typ @V
BAT
Max
@V
BAT
= 3.6 V
(2)
Unit
1.65V 1.8V 2V 2.4V 2.7V 3V 3.3V 3.6V
T
A
=
25°C
T
A
=
85°C
T
A
=
105°C
I
DD_VBAT
Backup
domain
supply
current
LSE & RTC
ON; "Xtal
mode"
lower
driving
capability;
LSEDRV[1:
0] = '00'
0.48 0.50 0.52 0.58 0.65 0.72 0.80 0.90 1.1 1.5 2.0
µA
LSE & RTC
ON; "Xtal
mode"
higher
driving
capability;
LSEDRV[1:
0] = '11'
0.83 0.86 0.90 0.98 1.03 1.10 1.20 1.30 1.5 2.2 2.9
1. Crystal used: Abracon ABS07-120-32.768 kHz-T with a CL of 6 pF for typical values.
2. Guaranteed by characterization results.
0
0.2
0.4
0.6
0.8
1
1.2
1.4
25°C 60°C 85°C 105°C
1.6
5 V
1.8
V
2 V
2.4
V
2.7
V
3 V
3.3
V
3.6
V
T
A
(°C)
(μA)
I
VBAT
MS31124V1
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