STM32F103X8 datasheet(36/84 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F103xx

36/84

Table 13.

Maximum current consumption in Sleep mode, code running from Flash or RAM

Symbol

Parameter

Conditions

fHCLK

Max

Unit

TA = 85 °C

TA = 105 °C

IDD

Supply current in

Sleep mode

External clock(1), all

peripherals enabled

72 MHz(2)

48 MHz(3)

20.5

36 MHz(3)

15.5

24 MHz(3)

11.5

16 MHz(3)

8.5

8 MHz(3)

5.5

External clock(1), all

peripherals disabled(3)

72 MHz

7.5

48 MHz

6.5

36 MHz

5.5

24 MHz

4.5

16 MHz

4.5

8 MHz

External clock is 8 MHz and PLL is on when fHCLK > 8 MHz; external clock is 9 MHz for fHCLK = 36 MHz.

Data based on characterization results, tested in production at VDD max, fHCLK max. and TA max.

Based on characterization, not tested in production.

Table 14.

Typical and maximum current consumptions in Stop and Standby modes(1)

Symbol

Parameter

Conditions

Typ(2)

Max

Unit

VDD/VBAT

= 2.4 V

VDD/VBAT

= 3.3 V

TA =

85 °C

TA =

105 °C

IDD

Supply current in

Stop mode

Regulator in Run mode, low-speed and

high-speed internal RC oscillators and

high-speed oscillator OFF (no

independent watchdog)

23.5

200(3) TBD(3)

µA

Regulator in Low Power mode, low-

speed and high-speed internal RC

oscillators and high-speed oscillator

OFF (no independent watchdog)

13.5

180(3) TBD(3)

Supply current in

Standby mode(4)

Low-speed internal RC oscillator and

independent watchdog OFF, low-speed

oscillator and RTC OFF

1.7

4(3)

5(3)

IDD_VBAT

Backup domain

supply current

Low-speed oscillator and RTC ON

1.1

1.4

1.9(5)

2.2(5)

TBD stands for to be determined.

Typical values are measured at TA = 25 °C, VDD = 3.3 V, unless otherwise specified.

Data based on characterization results, tested in production at VDDmax and fHCLK max.

To have the Standby consumption with RTC ON, add IDD_VBAT (Low-speed oscillator and RTC ON) to IDD Standby (when

VDD is present the Backup Domain is powered by VDD supply).

Data based on characterization results, not tested in production.

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