Datasheet > MIC5357

MIC5357

更新时间： 2024-11-21 07:16:59

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
11页	472K
描述
High Performance, Low Noise Dual 500mA ULDO?

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MIC5357 数据手册

MIC5357

High Performance, Low Noise Dual

500mA ULDO™

General Description

Features

The MIC5357 is a tiny Dual Ultra Low Dropout (ULDO™)

linear regulator ideally suited for portable electronics due

to its low output noise. The MIC5357 provides two

independently controlled high performance 500mA LDOs

with typical dropout voltage of 130mV at rated load. In

addition, the MIC5357 provides a bypass pin to reduce the

output noise.

• 2.6V to 5.5V input voltage range

• Ultra low dropout voltage: 130mV @ 500mA

• Ultra low output noise: 51µV_RMS

• ±2% initial output accuracy

• Small 8-pin ePad MSOP package

• Excellent Load/Line transient response

• Fast start up time: 38µs

• µCap stable with 2.2µF ceramic capacitors

• Thermal shutdown protection

• Low quiescent current: 160µA with both outputs at

maximum load

The MIC5357 is designed to be stable with small ceramic

output capacitors thereby reducing required board space

and component cost. The combination of extremely low

dropout voltage, low output noise and exceptional thermal

package characteristics makes it ideal for powering RF

and noise sensitive circuitry, cellular phone camera

modules, imaging sensors for digital still cameras, PDAs,

MP3 players and WebCam applications.

• Current-limit protection

The MIC5357 ULDO™ is available in fixed output voltages

in the small 8-pin ePad MSOP package. Additional voltage

options are available. For more information, contact Micrel

marketing.

Applications

• Battery-Powered Applications

• PDAs

• GPS receivers

• Portable electronics

• Portable media players

• Digital still and video cameras

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

_________________________________________________________________________________________________________________________

Typical Application

RF Power Supply Circuit

ULDO is a trademark of Micrel, Inc

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-011311

January 2011

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