STM32F102XB datasheet(33/76 Pages) STMICROELECTRONICS

33 / 76 page

STM32F102x8, STM32F102xB

Electrical characteristics

Doc ID 15056 Rev 4

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Table 14.

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

Symbol

Parameter

Conditions

fHCLK

Max(1)

Unit

TA = 85 °C

IDD

Supply current in

Sleep mode

External clock(2) all

peripherals enabled

48 MHz

36 MHz

15.5

24 MHz

11.5

16 MHz

8.5

8 MHz

5.5

External clock(2), all

peripherals disabled

48 MHz

36 MHz

24 MHz

4.5

16 MHz

8 MHz

Based on characterization, tested in production at VDD max and fHCLK max with peripherals enabled.

External clock is 8 MHz and PLL is on when fHCLK > 8 MHz.

Table 15.

Typical and maximum current consumptions in Stop and Standby modes

Symbol

Parameter

Conditions

Typ(1)

Max

Unit

VDD/ VBAT

= 2.4 V

VDD/VBAT

= 3.3 V

VDD/VBAT

= 2.0 V

TA =

85 °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

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

Supply current

in Standby

mode(2)

Low-speed internal RC oscillator and

independent watchdog ON

2.6

3.4

Low-speed internal RC oscillator ON,

independent watchdog OFF

2.4

3.2

Low-speed internal RC oscillator and

independent watchdog OFF, low-speed

oscillator and RTC OFF

1.7

IDD_VBAT

Backup domain

supply current

Low-speed oscillator and RTC ON

1.1

1.4

0.9

1.9(3)

Typical values are measured at TA = 25 °C.

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).

Based on characterization, not tested in production.

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