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MIC5211-1.8/3.3BM6 PDF预览

MIC5211-1.8/3.3BM6

更新时间: 2024-09-29 22:23:43
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麦瑞 - MICREL 稳压器
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描述
Dual レCap 80mA LDO Regulator Preliminary Information

MIC5211-1.8/3.3BM6 数据手册

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MIC5211  
Dual µCap 80mA LDO Regulator  
Preliminary Information  
General Description  
Features  
The MIC5211 is a dual µCap 80mA linear voltage regulator  
with very low dropout voltage (typically 20mV at light loads),  
very low ground current (225µA at 20mA output current), and  
better than 3% initial accuracy. This dual device comes in the  
miniature SOT-23-6 package, featuring independent logic  
control inputs.  
Stable with low-value ceramic or tantalum capacitors  
Independent logic controls  
Low quiescent current  
Low dropout voltage  
Mixed voltages available  
Tight load and line regulation  
Low temperature coefficient  
Current and thermal limiting  
Reversed input polarity protection  
Zero off-mode current  
The µCap regulator design is optimized to work with low-  
value, low-cost ceramic capacitors. The outputs typically  
require only 0.1µF of output capacitance for stability.  
Designedespeciallyforhand-held,battery-powereddevices,  
ground current is minimized using Micrel’s proprietary Super  
ßeta PNP™ technology to prolong battery life. When dis-  
abled, power consumption drops nearly to zero.  
Dual regulator in tiny SOT-23 package  
2.5V to 16V input range  
Applications  
Cellular telephones  
Laptop, notebook, and palmtop computers  
Battery-powered equipment  
Bar code scanners  
SMPS post regulator/dc-to-dc modules  
High-efficiency linear power supplies  
Key features include SOT-23-6 packaging, current limiting,  
overtemperature shutdown, and protection against reversed  
battery conditions.  
The MIC5211 is available in dual 1.8V, 2.5V, 2.7V, 2.8V,  
3.0V, 3.3V, 3.6V, and 5.0V versions. Certain mixed voltages  
are also available. Contact Micrel for other voltages.  
Ordering Information  
Part Number  
Marking Voltage  
Junction Temp. Range  
0°C to +125°C  
Package  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
MIC5211-1.8BM6  
MIC5211-2.5BM6  
MIC5211-2.7BM6  
MIC5211-2.8BM6  
MIC5211-3.0BM6  
MIC5211-3.3BM6  
MIC5211-3.6BM6  
MIC5211-5.0BM6  
LFBB  
LFCC  
LFDD  
LFEE  
LFGG  
LFLL  
1.8V  
2.5V  
2.7V  
2.8V  
3.0V  
3.3V  
3.6V  
5.0V  
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  
40°C to +125°C  
LFQQ  
LFXX  
Dual-Voltage Regulators  
MIC5211-1.8/2.5BM6  
MIC5211-1.8/3.3BM6  
MIC5211-2.5/3.3BM6  
MIC5211-3.3/5.0BM6  
LFBC  
LFBL  
LFCL  
LFLX  
1.8V/2.5V  
1.8V/3.3V  
2.5V/3.3V  
3.3V/5.0V  
0°C to +125°C  
0°C to +125°C  
SOT-23-6  
SOT-23-6  
SOT-23-6  
SOT-23-6  
40°C to +125°C  
40°C to +125°C  
Typical Application  
Other voltages available. Contact Micrel for details.  
VIN  
MIC5211  
1
2
3
6
5
4
Enable  
Shutdown  
VOUTA  
0.1µF  
Enable A  
Enable  
VOUTB  
Shutdown  
0.1µF  
Enable B  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
November 2000  
1
MIC5211  

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