STW4510 datasheet(45/57 Pages) STMICROELECTRONICS

部品番号	STW4510

部品情報	2 step-down DC/DC converters / 5 LDO power management

PDF	57 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

Logo

45 / 57 page

Obsolete

Product(s)

- Obsolete

Product(s)

STw4510

Electrical and timing characteristics

45/57

Vmmc

Table 23.

LDO regulator - Vmmc

Symbol

Description

Test conditions

Min.

Typ.

Max.

Units

VMMC regulator specifications (PDN_VMMC = 1)

VBAT

Input voltage

VOUT = 3 V

VOUT = 2.85 V

VOUT = 2.5 V

VOUT = 1.8 V

3.25

3.1

2.75

2.7

3.6

5.5

VOUT

Output voltage

-3%

2.85

2.5

1.8

+3%

IOUT

(1)

Output current

150

ISHORT

(1)

Short circuit current

limitation

240

360

600

(2)

Quiescent current

IOUT = 0 mA

µA

ILKG

Power-down current

µA

PSRR

Power supply rejection

IOUT = 150 mA

Vpp = 0.3 V

f < 20 kHz

LIR

Line regulation

VBAT: [3.1; 5.5]V

LDR

Load regulation

IOUT= [1; 150] mA

LIRT

Transient line regulation

VOUT=2.85 V

VBAT: 3.1 to 3.4V

tR = tF = 10 µs.

2mV

LDRT

Transient load regulation

IOUT = [1; 150] mA

tR = tF = 1 µs

Settling time

OFF->ON

IOUT = 0 mA

100

µs

Discharge time ON>OFF IOUT = 0 mA

Guaranteed by design

Quiescent current defined is the current measured on the power supply voltage dedicated to the Vmmc

STW4510 データシート(PDF) 45 Page - STMicroelectronics

STW4510 データシート(HTML) 45 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

データシートダウンロード