STA8090GA datasheet(21/32 Pages) STMICROELECTRONICS

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DS10820 Rev 5

21/32

STA8090GA

Electrical characteristics

4.7

DC characteristics

Table 12 specifies the SMPS voltage regulator characteristics.

Table 13 specifies the LDO1 voltage regulator characteristics.

Table 14 specifies the LDO2 voltage regulator characteristics.

Table 15 specifies the low voltage detection thresholds

VDD_ANA

SMPS input supply (1.6 V to 4.3 V)

1.60

4.30

Operating case temperature

-40

°C

Table 11. Recommended DC operating conditions (continued)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Table 12. 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 13. LDO1 DC characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VOL1

Output voltage (1.2V)

1.6 V ≤ VINL1 ≤ 4.3 V;

IOL1 ≤ 70 mA

1.1

1.20

1.32

Output voltage (1.8V)

2.1 V ≤ VINL1 ≤ 4.3 V;

IOL1 ≤ 70 mA

1.71

1.80

1.89

IOL1

Output current

—

Table 14. LDO2 DC characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VOL2

Output voltage

1.6 V ≤ VINL2 ≤ 4.3 V;

IOL2 ≤ 30 mA

1.08

1.20

1.32

IOL2

Output current

—

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