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MIC5357-2.8/1.8YMME PDF预览

MIC5357-2.8/1.8YMME

更新时间: 2024-11-21 07:16:59
品牌 Logo 应用领域
麦瑞 - MICREL 调节器光电二极管输出元件
页数 文件大小 规格书
11页 472K
描述
High Performance, Low Noise Dual 500mA ULDO?

MIC5357-2.8/1.8YMME 数据手册

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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: 51µVRMS  
±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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