STM32U375CE datasheet(88/222 Pages) STMICROELECTRONICS

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The external capacitor on VDDSMPS pin requires the following characteristics:

•

CIN = 10 μF ±20%

•

CIN ESR < 10 mΩ at 3 MHz

•

CIN rated voltage ≥ 10 V

The external inductance between VLXSMPS and VDD11 requires the following characteristics:

•

L = 2.2 μH ±20%

•

L ISAT > 0.5 A

•

L DCR < 200 mΩ

5.1.7

Current consumption measurement

The IDD parameters given in various tables in the next sections, represent the total MCU consumption including

the current supplying VDD, VDDIO2, VDDA, VDDUSB, VBAT, and VDDSMPS (if the device embeds the SMPS).

Figure 26. Current consumption measurement

IDD_VBAT

IDD

VBAT

VDD

VDDA

VDDUSB

VDDSMPS

VDDIO2

5.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 24, Table 25, and Table 26 may damage

permanently the device. These are stress ratings only and the functional operation of the device at these

conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device

reliability. Device mission profile (application conditions) is compliant with JEDEC JESD47 qualification standard.

Extended mission profiles are available on demand.

Table 24. Voltage characteristics

All main power (VDD, VDDSMPS, VDDA, VDDUSB, VDDIO2, VBAT) and ground (VSS, VSSA) pins must always be connected to the external

power supply, in the permitted range.

The I/O structure options listed in this table can be a concatenation of options including the option explicitly listed. For instance, TT_a refers to

any TT I/O with _a option. TT_xx refers to any TT I/O and FT_xx refers to any FT I/O.

Symbol

Ratings

Min

Max

Unit

VDDX - VSS

External main supply voltage (including VDD(1)(2)(3), VDDSMPS,

VDDA, VDDUSB, VDDIO2(1)(2)(3), VBAT, VREF+)

-0.3

4.0

VDDIOx(2) - VSS

I/O supply when HSLV(3) = 0

-0.3

4.0

I/O supply when HSLV = 1

-0.3

2.75

VIN(4)

Input voltage on FT_xx pins

VSS - 0.3

Min (min (VDD, VDDA, VDDUSB,

VDDIO2) + 4.0, 6.0)(5)(6)

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 88/222

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