LQFP176 datasheet(80/133 Pages) STMICROELECTRONICS

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Electrical characteristics

SPC560B54x/6x

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DocID15131 Rev 9

The internal voltage regulator requires external capacitance (CREGn) to be connected to the

device in order to provide a stable low voltage digital supply to the device. Capacitances

should be placed on the board as near as possible to the associated pins. Care should also

be taken to limit the serial inductance of the board to less than 5 nH.

Each decoupling capacitor must be placed between each of the three VDD_LV/VSS_LV supply

pairs to ensure stable voltage (see Section 4.4: Recommended operating conditions).

Table 26. Voltage regulator electrical characteristics

Symbol

Parameter

Conditions(1)

Value

Unit

Min

Typ

Max

CREGn

SR —

Internal voltage regulator external

capacitance

—

200

—

500

RREG

SR —

Stability capacitor equivalent serial

resistance

Range:

10 kHz to 20 MHz

——

0.2

CDEC1

SR — Decoupling capacitance(2) ballast

VDD_BV/VSS_LV pair:

VDD_BV = 4.5 V to 5.5 V

100(3)

470(4)

—

VDD_BV/VSS_LV pair:

VDD_BV = 3 V to 3.6 V

400

—

CDEC2

SR —

Decoupling capacitance regulator

supply

VDD/VSS pair

100

—

VMREG

Main regulator output voltage

Before exiting from reset

—

1.32

—

After trimming

1.16

1.28

—

IMREG

SR —

Main regulator current provided to

VDD_LV domain

——

—

150

IMREGINT

CC D

Main regulator module current

consumption

IMREG = 200 mA

—

IMREG = 0 mA

—

VLPREG

CC P Low-power regulator output voltage

After trimming

1.16

1.28

—

ILPREG

SR —

Low-power regulator current

provided to VDD_LV domain

——

—

ILPREGINT

Low-power regulator module current

consumption

ILPREG = 15 mA;

TA = 55 °C

——

600

µA

—

ILPREG = 0 mA;

TA = 55 °C

—

5—

VULPREG

CC P

Ultra low power regulator output

voltage

After trimming

1.16

1.28

—

IULPREG

SR —

Ultra low power regulator current

provided to VDD_LV domain

——

—

IULPREGINT CC D

Ultra low power regulator module

current consumption

IULPREG = 5 mA;

TA = 55 °C

——

100

µA

IULPREG = 0 mA;

TA = 55 °C

—

2—

IDD_BV

CC D

In-rush average current on VDD_BV

during power-up(5)

——

—

300(6)

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