Datasheet > WL2831D11-4/TR

WL2831D11-4/TR

更新时间： 2024-01-30 14:22:44

品牌	Logo	应用领域
韦尔 - WILLSEMI		/
页数	文件大小	规格书
11页	1118K
描述
500mA ,Ultra Low Drop-Out, CMOS LDO With BIAS Supply

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WL2831D11-4/TR 数据手册

WL2831

Http://www.sh-willsemi.com

500mA ,Ultra Low Drop-Out, CMOS LDO

With BIAS Supply

Descriptions

The WL2831 is a high accuracy, low noise, high speed,

low dropout CMOS Linear regulator with high ripple

rejection.It is equipped with NMOS pass transistor and

a separate bias supply voltage(V_BIAS). The devices

offer a new level of cost effective performance in

cellular phones, laptop and other portable devices.

DFN1212-4L

The WL2831 are available in fixed output voltages

between 0.8V and 3.3V, and capable of driving up to

500mA. Other features include over temperature

protection and over current protection.

The WL2831 regulators are available in DFN1212-4L

Package. Standard products are Pb-free and

Halogen-free.

Pin Configuration (Top View)

Features



Input voltage

Bias voltage

Output range

Output current

PSRR

: 0.8V~5.5V

: 2.4V~5.5V

: 0.8V~3.3V

X: Voltage Code

* : Month Code

: 500mA Typ.

: 80dB @ 1kHz

: 20uVrms(10Hz to 100kHz)

For detail marking information, please see page 9.

Low Noise

Dropout voltage : 150mV @ I_OUT=500mA

Quiescent current : 60μA Typ.

Shut-down current : < 1.0μA

Marking

Recommend capacitor : 2.2uF

ORDER INFORMATION

For detail order information, please see page 9.

Applications



MP3/MP4 Players

Cellphones, radiophone, digital cameras

Bluetooth, wireless handsets

Others portable electronics device

Will Semiconductor Ltd.

Nov, 2018 – Rev 1.1

12 3 4 5 6 7...11

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