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MIC5321-3.0/2.6YML PDF预览

MIC5321-3.0/2.6YML

更新时间: 2024-11-25 04:39:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 输出元件
页数 文件大小 规格书
12页 422K
描述
DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO6

MIC5321-3.0/2.6YML 数据手册

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MIC5321  
Dual, High Performance 150mA µCap ULDO™  
General Description  
Features  
The MIC5321 is a tiny Dual Ultra Low-Dropout  
(ULDO™) linear regulator ideally suited for those  
applications that require high PSRR because it  
provides a bypass pin for those noise sensitive  
portable electronics. The MIC5321 integrates two  
high-performance; 150mA ULDOs into a very compact  
1.6mm x 1.6mm leadless MLF ® package that  
provides exceptional thermal package characteristics.  
2.3V to 5.5V input voltage range  
Ultra-low dropout voltage ULDO™ 35mV @  
150mA  
Tiny 6-pin 1.6mm x 1.6mm MLF® leadless  
package  
Low cost TSOT-23-6 package  
Bypass pin for improved noise performance  
High PSRR – >75dB on each LDO  
Ultra low noise output - > 30µVrms  
Dual 150mA outputs  
The MIC5321 is a µCap design which enables  
operation with very small ceramic output capacitors  
for stability, thereby reducing required board space  
and component cost. The combination of extremely  
low-drop-out voltage, very high power supply  
rejection, very low output noise and exceptional  
thermal package characteristics makes it ideal for  
powering RF application, cellular phone camera  
modules, imaging sensors for digital still cameras,  
PDAs, MP3 players and WebCam applications.  
µCap stable with 1µF ceramic capacitor  
Low quiescent current – 150µA  
Fast turn-on time – 45µs  
Thermal shutdown protection  
Current Limit protection  
The MIC5321 ULDO™ is available in fixed-output  
voltages in the tiny 6-pin 1.6mm x 1.6mm leadless  
MLF ® package which is only 2.56mm2 in area, less  
than 30% the area of the SOT-23, TSOP and MLF  
3x3 packages. It’s also available in the thin SOT-23-6  
lead package. Additional voltage options are  
available. For more information, contact Micrel  
marketing department.  
Applications  
Mobile phones  
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  
MIC5321-x.xYML  
Rx/Synth  
Tx  
VIN  
VOUT 1  
VOUT 2  
EN  
1µF  
RF  
Transceiver  
BYP  
GND  
1µF  
1µF  
0.01µF  
RF Power Supply Circuit  
ULDO is a trademark of Micrel, Inc.  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, 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  
M9999-073106  
July 2006  

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