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MIC5233-2.5BM5 PDF预览

MIC5233-2.5BM5

更新时间: 2024-11-22 22:40:03
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
9页 65K
描述
High Input Voltage, Low IQ ?Cap LDO Regulator

MIC5233-2.5BM5 数据手册

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MIC5233  
High Input Voltage, Low IQ µCap LDO Regulator  
General Description  
Features  
The MIC5233 is a 100mA highly accurate, low dropout  
regulatorwithhighinputvoltageandultra-lowgroundcurrent.  
This combination of high voltage and low ground current  
makes the MIC5233 ideal for multi-cell Li-Ion battery  
systems.  
• Wide input voltage range: 2.3V to 36V  
• Ultra low ground current: 18µA  
• Low dropout voltage of 270mV at 100mA  
• High output accuracy of ±2.0% over temperature  
µCap: stable with ceramic or tantalum capacitors  
• Excellent line and load regulation specifications  
• Zero shutdown current  
• Reverse battery protection  
• Reverse leakage protection  
• Thermal shutdown and current limit protection  
• IttyBitty™ SOT-23-5 package  
A µCap LDO design, the MIC5233 is stable with either  
ceramicortantalumoutputcapacitor. Itonlyrequiresa2.2µF  
capacitor for stability.  
Features of the MIC5233 include enable input, thermal shut-  
down, current limit, reverse battery protection, and  
reverse leakage protection.  
Applications  
• Keep-alive supply in notebook and portable computers  
• USB power supply  
Available in fixed and adjustable output voltage versions, the  
MIC5233 is offered in the IttyBitty™ SOT-23-5 package with  
a junction temperature range of –40°C to +125°C.  
• Logic supply for high-voltage batteries  
• Automotive electronics  
• Battery powered systems  
• 3-4 cell Li-Ion battery input range  
Ordering Information  
Part Number  
Marking Voltage  
Junction Temp. Range  
40°C to +125°C  
40°C to +125°C  
40°C to +125°C  
40°C to +125°C  
40°C to +125°C  
40°C to +125°C  
Package  
SOT-23-5  
SOT-23-5  
SOT-23-5  
SOT-23-5  
SOT-23-5  
SOT-23-5  
MIC5233-1.8BM5  
MIC5233-2.5BM5  
MIC5233-3.0BM5  
MIC5233-3.3BM5  
MIC5233-5.0BM5  
MIC5233BM5  
L318  
L325  
L330  
L333  
L350  
L3AA  
1.8V  
2.5V  
3.0V  
3.3V  
5.0V  
ADJ.  
Typical Application  
40  
35  
30  
25  
20  
15  
10  
MIC5233BM5  
VIN  
CIN=1.0µF  
VOUT  
1
5
IOUT = 1mA  
IOUT = 100µA  
2
3
R1  
R2  
COUT=2.2µF  
ceramic  
4
OFF ON  
IGND=18µA  
EN  
IOUT = 10µA  
4
8
12 16 20 24 28 32 36 40  
INPUT VOLTAGE (V)  
Ultra-Low Current Adjustable Regulator Application  
Ground Current vs. Input Voltage  
IttyBitty is a trademark of Micrel, Inc.  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
August 2003  
1
MIC5233  

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