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MIC5232-1.2YML PDF预览

MIC5232-1.2YML

更新时间: 2024-11-26 04:59:03
品牌 Logo 应用领域
麦瑞 - MICREL /
页数 文件大小 规格书
10页 310K
描述
10mA Ultra-Low Quiescent Current uCap LDO

MIC5232-1.2YML 数据手册

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MIC5232  
10mA Ultra-Low Quiescent Current  
µCap LDO  
General Description  
The MIC5232 is an ultra-low quiescent current, low-  
dropout linear regulator that is capable of operating  
from a single-cell lithium ion battery. Consuming only  
Features  
Input voltage range: 2.7V to 7.0V  
Ultra-low Iq: Only 1.8 A operating current  
µ
Stable with 0.47µF ceramic output capacitor  
Low dropout voltage of 100mV @ 10mA  
Reverse Battery Protection  
1.8µA of quiescent current while operating, the  
MIC5232 is ideal for stand-by applications like  
powering real-time clocks or memory in battery  
operated electronics.  
High output accuracy:  
– +2.0% initial accuracy  
– +3.0% over temperature  
The MIC5232 is capable of providing 10mA of output  
current and has low output noise, providing a small,  
efficient solution ideal for any keep-alive application.  
Including reverse current protection, keeping reverse  
leakage (VOUT > VIN) down to 20nA.  
Logic-Level Enable Input  
Miniature 6-pin 2mm x 2mm MLF® package  
Lead-Free Thin SOT-23-5 Package  
Tight Load and Line Regulation  
The MIC5232 is a µCap design, operating with very  
small ceramic output capacitors for stability, reducing  
required board space and component cost.  
Applications  
Real-Time Clock Power Supply  
Stand-by Power Supply  
SRAM Memory Back-up Supply  
Cellular Telephones and Notebook Computers  
The MIC5232 is available in fixed output voltages in  
the miniature 6-pin 2mm x 2mm MLF® package and  
thin SOT-23-5 package with an operating junction  
temperature range of -40°C to 125°C.  
Typical Application  
Ground Pin Current  
vs. Input Voltage  
MIC5232-1.2YD5  
3.0  
2.7  
2.4  
2.1  
1.8  
1.5  
1.2  
0.9  
VIN  
VOUT  
1.2V  
VOUT  
VIN  
EN  
3.6V  
0.47µF  
ceramic  
1µF  
GND  
V
OUT  
C
= 1.2V  
0.6  
0.3  
0
OUT  
I
= 100µA  
= 0.47µF  
OUT  
2.5 3 3.5 4 4.5 5 5.5 6 6.5  
INPUT VOLTAGE (V)  
7
1.5 Real-Time Clock Back-up Supply  
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  
1
M9999-112006-B  
November 2006  

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