WM8351 datasheet(20/330 Pages) WOLFSON

номер детали	WM8351

подробное описание детали	Wolfson AudioPlus??Stereo CODEC with Power Management

PDF	330 Pages

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производитель	WOLFSON [Wolfson Microelectronics plc]

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WM8351

Production Data

PD, April 2012, Rev 4.5

Test Conditions

TA = +25ºC unless otherwise noted.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC-DC3 and DC-DC4

Input Voltage

VIN

2.7

3.7

5.5

Output Voltage

VOUT

0.85

3.4

VOUT Accuracy

VOUT

VIN = 3.7V

VOUT = 0.85V / 1.8V

/ 3.4V

IOUT =

0.5A

Active

+/- 3.0

IOUT =

0.005A

Sleep

-1.5

+4.5

Line Regulation

VOUT LINE

VIN = 2.7V to

5.5V

VOUT = 1.8V

IOUT = 0.25A

Active

+/- 0.4

IOUT = 0.025A

(100mA lim)

Standby

+/- 0.18

IOUT = 0.005A

Sleep

+/- 0.4

+/- 0.5

Load Regulation

VOUT LOAD

IOUT = 1mA to 500mA

Active

+/- 0.5

IOUT = 0A to 0.05A

Standby

+/- 0.2

IOUT = 0A to 0.010A

Sleep

+/- 0.3

+/- 0.5

Quiescent Current

IQ ACTIVE

Active ( excluding switching losses)

318

µA

IQ STANDBY

Standby (excluding switching losses)

120

IQ SLEEP

Sleep

Shutdown current

ISD

0.01

µA

P-channel On

Resistance

RDSP

VIN = 3.7V, IL(n) = 100mA

0.29

Ω

N-channel On

Resistance

RDSN

VIN = 3.7V, IL(n) = 100mA

0.2

Ω

P-channel

leakage current

ILXP

VIN = 3.7V, L(n) = GND

0.02

µA

N-channel

leakage current

ILXN

VIN = 3.7V, L(n) = 3.7V

1.4

µA

Switching

Frequency

fSW

2.0

MHz

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