STA8090EXGA datasheet(31/42 Pages) STMICROELECTRONICS

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DS11733 Rev 3

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STA8090EXGA

Electrical characteristics

4.7

DC characteristics

Table 18 specifies the SMPS voltage regulator characteristics.

Table 19 specifies the LDO1 voltage regulator characteristics.

VDDIO_R1

Digital supply voltage for I/O ring 1 (1.8 V)

1.71

1.80

1.89

Digital supply voltage for I/O ring 1 (3.3 V)

3.00

3.30

3.60

VDDIO_R2

Digital supply voltage for I/O ring 2 (3.3 V)

3.00

3.30

3.60

VINB

Backup LDO input supply voltage (1.6 V to 4.3 V)

1.60

—

4.30

VINL1

LDO1 input supply voltage to generate 1.2 V

1.60

—

4.30

LDO1 input supply voltage to generate 1.8 V

2.10

—

4.30

VINL2

LDO2 input supply voltage to generate 1.2 V

1.60

—

4.30

VINM

SMPS coil input supply voltage to generate 1.2 V

1.60

—

4.30

SMPS coil input supply voltage to generate 1.8 V

2.10

—

4.30

VDD_ANA

SMPS input supply (1.6 V to 4.3 V)

1.60

—

4.30

Operating temperature range

-40

—

°C

Table 17. Recommended DC operating conditions (continued)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Table 18. SMPS DC characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VOM

Output voltage (1.2 V)

1.6 V ≤ VINM ≤4.3 V;

IOM ≤100 mA

1.1

1.20

1.32

Output voltage (1.8 V)

2.1 V ≤ VINM ≤4.3 V;

IOM ≤100 mA

1.71

1.80

1.89

IOM

Output current

—

100

Table 19. LDO1 DC characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VOL1

Output voltage (1.2V)

1.6 V ≤ VINL1 ≤4.3 V;

IOL1 ≤70mA

1.1

1.20

1.32

Output voltage (1.8V)

2.1 V ≤ VINL1 ≤4.3 V;

IOL1 ≤70mA

1.71

1.80

1.89

IOL1

Output current

—

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