STM32WB35CC datasheet(110/193 Pages) STMICROELECTRONICS

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Table 46. Current consumption in Standby mode

Symbol

Parameter

Conditions

TYP

MAX(1)

Unit

-VDD 0 °C 25 °C 40 °C 55 °C 85 °C 105 °C 0 °C 25 °C 85 °C 105 °C

IDD

(Standby)

Supply current

in Standby

mode (backup

registers and

SRAM2a

retained),



RTC disabled

BLE disabled



No independent

watchdog

1.8 V 0.270 0.320 0.515 0.920

3.45

8.20

0.300 0.828 7.850 19.300

µA

2.4 V 0.270 0.350 0.540 0.955

3.50

8.80

3.0 V 0.270 0.370 0.575

1.00

3.85

9.50

0.380 0.945 8.505 21.200

3.6 V 0.300 0.410 0.645

1.15

4.20

10.50

0.400 1.040 8.980 22.400

BLE disabled



With

independent

watchdog

1.8 V 0.265 0.525 0.710

1.10

3.90

8.40

0.520 1.095 8.041 19.500

2.4 V 0.280 0.595 0.790

1.20

4.00

9.05

3.0 V 0.290 0.670 0.855

1.35

4.15

9.80

0.730 1.253 8.774 21.400

3.6 V 0.295 0.770 0.990

1.50

4.60

11.00

0.851 1.356 9.360 22.840

IDD

(Standby with

RTC)

Supply current

in Standby

mode (backup

registers and

SRAM2a

retained),



RTC enabled



BLE disabled

RTC clocked by

LSI, no

independent

watchdog

1.8 V 0.500 0.600 0.780

1.20

3.70

8.45

0.680 1.165 8.143 19.660

2.4 V 0.630 0.705 0.910

1.30

3.80

9.10

3.0 V 0.725 0.825 1.050

1.50

3.95

9.90

0.930 1.463 8.977 21.440

3.6 V 0.860 0.970 1.200

1.70

4.25

11.00

1.050 1.628 9.634 23.080

RTC clocked by

LSI, with

independent

watchdog

1.8 V 0.565 0.655 0.830

1.25

3.75

8.55

0.734 1.196 8.187 19.710

2.4 V 0.635 0.790 0.975

1.40

4.10

9.20

3.0 V 0.725 0.915 1.100

1.55

4.50

10.00

1.028 1.573 9.072 21.810

3.6 V 0.870 1.050 1.300

1.80

4.90

11.00

1.144 1.723 9.730 23.200

RTC clocked by

LSE quartz (2) in

low drive mode

1.8 V 0.525 0.625 0.840

1.25

3.75

8.60

0.600 1.061 8.029 19.610

2.4 V 0.665 0.755 0.960

1.35

4.05

9.25

3.0 V 0.775 0.880 1.100

1.55

4.40

10.00

0.600 1.100 8.719 21.570

3.6 V 0.935 1.050 1.300

1.80

5.00

11.00

0.750 1.171 9.460 23.030

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