Electrical characteristics
Table 18.
STM32F103x8, STM32F103xB
Typical current consumption in Sleep mode, code running from Flash or
RAM
Typ
(1)
Conditions
f
HCLK
Unit
Symbol Parameter
All peripherals All peripherals
enabled
(2)
disabled
14.4
9.9
7.6
5.3
3.8
2.1
1.6
1.3
1.11
1.04
0.98
12.3
9.3
7
4.8
3.2
1.6
1
0.72
0.56
0.49
0.43
5.5
3.9
3.1
2.3
1.8
1.2
1.1
1
0.98
0.96
0.95
72 MHz
48 MHz
36 MHz
24 MHz
16 MHz
External clock
(3)
8 MHz
4 MHz
2 MHz
1 MHz
500 kHz
I
DD
Supply
current in
Sleep mode
125 kHz
64 MHz
48 MHz
36 MHz
24 MHz
Running on high
16 MHz
speed internal RC
(HSI), AHB prescaler 8 MHz
used to reduce the
4 MHz
frequency
2 MHz
1 MHz
500 kHz
125 kHz
1. Typical values are measures at T
A
= 25 °C, V
DD
= 3.3 V.
mA
4.4
3.3
2.5
1.8
1.2
0.6
0.5
0.47
0.44
0.42
0.41
2. Add an additional power consumption of 0.8 mA per ADC for the analog part. In applications, this
consumption occurs only while the ADC is on (ADON bit is set in the ADC_CR2 register).
3. External clock is 8 MHz and PLL is on when f
HCLK
> 8 MHz.
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