STW4510 datasheet(42/57 Pages) STMICROELECTRONICS

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Electrical and timing characteristics

STw4510

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Vana(i) (vana(i) with i = 2 or 3)

Table 21.

LDO regulator - Vana(i) with i=2 or 3

Symbol

Description

Test conditions

Min.

Typ.

Max.

Units

Vana3 regulator in high power mode (en_vana3 = 1, SLEEP = ‘0’)

VBAT

Input power supply

Vana(i) =

1.8 V, 2.8 V, 3 V, 3.3 V

Max

(Vana(i)_out +

0.2, Vbat_min)

3.6

5.5

VOUT

Output voltage

Vana(i)_sel[1:0]pads

-3 %

1.8

2.8

3.0

3.3

+3 %

IOUT

(1)

Output current

150

ISHORT

(1)

Short-circuit limitation

230

340

550

(2)

Quiescent current

IOUT = 0 mA

µA

ILKG

Power-down current

µA

PSRR(1)

Power supply rejection

Vana(i) = 2.8 V

IOUT = 150 mA

Vpp = 0.3 V,

F: [0; 20] kHz

Vana(i) = 2.8 V

IOUT = 10 mA

Vpp = 0.3 V,

F: [0; 10] kHz

F: [10; 100] kHz

Rising time

Vana(i) = 2.8 V

IOUT = 10 mA

1.5

Lir

Line regulation

VBAT: [2.7; 5.5] V

Ldr

Load regulation

IOUT= [0.1; 150] mA

Lirt

Transient line regulation

Vana(i) = 2.8 V

IOUT = 150 mA

VBAT= [3.0; 3.3] V

tR = tF = 10 µs

2mV

Ldrt

Transient load regulation

Vana(i) = 2.8 V

IOUT= [1; 150] mA

tR = tF = 1 µs

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