Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB LQFP

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150

Electrical characteristics STM32L476xx

146/270 DS10198 Rev 8

Table 50. Current consumption in VBAT mode

Symbol Parameter

Conditions TYP MAX

(1)

Unit

-V

BAT

25 °C 55 °C 85 °C 105 °C 125 °C 25 °C 55 °C 85 °C 105 °C 125 °C

DD_VBAT

Backup domain

supply current

RTC disabled

1.8 V 4 29 196 587 1663 10.8 73 490 1468 4158

2.4 V 5.27 36 226 673 1884 13.2 90 565 1683 4710

3 V 6 42 264 775 2147 15.5 106 660 1938 5368

3.6 V 10 58 323 919 2488 25.8 144 808 2298 6220

RTC enabled and

clocked by LSE

bypassed at 32768 Hz

1.8 V 183 201 367 729 - - - - - -

2.4 V 268 295 486 901 - - - - - -

3 V 376 412 602 1075 - - - - - -

3.6 V 508 558 752 1299 - - - - - -

RTC enabled and

clocked by LSE

quartz

(2)

1.8 V 302 344 521 915 1978 - - - - -

2.4 V 388 436 639 1091 2289 - - - - -

3 V 494 549 784 1301 2656 - - - - -

3.6 V 630 692 971 1571 3115 - - - - -

1. Guaranteed by characterization results, unless otherwise specified.

2. Based on characterization done with a 32.768 kHz crystal (MC306-G-06Q-32.768, manufacturer JFVNY) with two 6.8 pF loading capacitors.

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