STM32L151X8 datasheet(65/133 Pages) STMICROELECTRONICS

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STM32L151x6/8/B STM32L152x6/8/B

Electrical characteristics

104

IDD (Stop)

Supply current

in Stop mode

(RTC

disabled)

Regulator in LP mode, HSI and

HSE OFF, independent

watchdog and LSI enabled

TA = -40°C to 25°C 1.1

2.2

µA

Regulator in LP mode, LSI, HSI

and HSE OFF (no independent

watchdog)

TA = -40°C to 25°C 0.5

0.9

TA = 55°C

1.9

TA= 85°C

3.7

TA = 105°C

8.9

20(6)

IDD (WU

from Stop)

RMS (root

mean square)

supply current

during wakeup

time when

exiting from

Stop mode

MSI = 4.2 MHz

VDD = 3.0 V

TA = -40°C to 25°C

MSI = 1.05 MHz

1.45

MSI = 65 kHz(7)

1.45

1. The typical values are given for VDD = 3.0 V and max values are given for VDD = 3.6 V, unless otherwise

specified.

2. Guaranteed by characterization results, unless otherwise specified

3. LCD enabled with external VLCD, static duty, division ratio = 256, all pixels active, no LCD connected

4. LCD enabled with external VLCD, 1/8 duty, 1/3 bias, division ratio = 64, all pixels active, no LCD

connected.

5. Based on characterization done with a 32.768 kHz crystal (MC306-G-06Q-32.768, manufacturer JFVNY)

with two 6.8pF loading capacitors.

6. Tested in production

7. When MSI = 64 kHz, the RMS current is measured over the first 15 µs following the wakeup event. For the

remaining time of the wakeup period, the current is similar to the Run mode current.

Table 22. Typical and maximum current consumptions in Stop mode (continued)

Symbol

Parameter

Conditions

Typ

(1)

Max

(1)(2)

Unit

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