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MIC5305-2.0YML PDF预览

MIC5305-2.0YML

更新时间: 2024-11-30 10:56:43
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器调节器光电二极管输出元件
页数 文件大小 规格书
12页 346K
描述
150mA μCap Ultra-Low Dropout LDO Regulator

MIC5305-2.0YML 数据手册

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MIC5305  
150mA µCap Ultra-Low Dropout  
LDO Regulator  
General Description  
Features  
The MIC5305 is a high-performance, 150mA LDO regula-  
tor, offering extremely high PSRR and very low noise while  
consuming low ground current.  
Ultra-low dropout voltage of 60mV @ 150mA  
Input voltage range: 2.25 to 5.5V  
Stable with ceramic output capacitor  
150mA guaranteed output current  
Low output noise — 20µVrms  
Low quiescent current of 90µA total  
High PSRR, up to 85dB @1kHz  
Less than 30µs turn-on time w/CBYP = 0.01µF  
High output accuracy:  
Ideal for battery-operated applications, the MIC5305  
features 1% accuracy, extremely low-dropout voltage  
(60mV @ 150mA), and low ground current at light load  
(typically 90µA). Equipped with a logic-compatible enable  
pin, the MIC5305 can be put into a zero-off-mode current  
state, drawing no current when disabled.  
The MIC5305 is a µCap design operating with very small  
ceramic output capacitors for stability, thereby reducing  
required board space and component cost.  
±1.0% initial accuracy  
±2.0% over temperature  
Thermal shutdown protection  
Current limit protection  
The MIC5305 is available in xed output voltages and  
adjustable output voltages in the super-compact 6-pin  
2mm × 2mm MLF® leadless package, our new ultra-thin  
6-pin 2mm × 2mm Thin MLF® and thin SOT-23-5 package.  
Additional voltage options are available. Contact Micrel  
marketing.  
Tiny 6-pin 2mm × 2mm MLF® package  
Ultra-Thin 6-pin 2mm × 2mm Thin MLF® package  
Thin SOT-23-5 package  
Applications  
Cellular phones  
PDAs  
Data sheets and support documentation can be found on  
Micrel’s web site at www.micrel.com.  
Fiber optic modules  
Portable electronics  
Notebook PCs  
Audio Codec power supplies  
Typical Application  
Dropout Voltage  
70  
60  
50  
40  
30  
20  
10  
0
MIC5305  
3.0V  
VIN  
2.85V@150mA  
VOUT  
VIN VOUT  
0
20 40 60 80 100 120 140  
OUTPUT CURRENT (mA)  
1µF  
EN  
BYP  
GND  
0.1µF  
1µF  
PSRR  
(Bypass Pin Cap = 0.1µF)  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
150mA  
50mA  
100µA  
0.1  
1
10  
100  
1k  
FREQUENCY (kHz)  
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  
M9999-062507  
June 2007  
1

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