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MIC5209BU

更新时间： 2024-11-15 22:58:15
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
13页 93K
描述
500mA Low-Noise LDO Regulator

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MIC5209BU 数据手册

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MIC5209  
500mA Low-Noise LDO Regulator  
General Description  
Features  
The MIC5209 is an efficient linear voltage regulator with very  
low dropout voltage, typically 10mV at light loads and less  
than 500mV at full load, with better than 1% output voltage  
accuracy.  
• Meets Intel® Slot 1 and Slot 2 requirements  
• Guaranteed 500mA output over the full operating  
temperature range  
• Low 500mV maximum dropout voltage at full load  
• Extremely tight load and line regulation  
• Thermally-efficient surface-mount package  
• Low temperature coefficient  
• Current and thermal limiting  
• Reversed-battery protection  
• No-load stability  
• 1% output accuracy  
• Ultra-low-noise capability in SO-8 and TO-263-5  
Designedespeciallyforhand-held,battery-powereddevices,  
the MIC5209 features low ground current to help prolong  
battery life. An enable/shutdown pin on SO-8 and TO-263-5  
versions can further improve battery life with near-zero shut-  
down current.  
Key features include reversed-battery protection, current  
limiting, overtemperature shutdown, ultra-low-noise capabil-  
ity (SO-8 and TO-263-5 versions), and availability in ther-  
mallyefficientpackaging. TheMIC5209isavailableinadjust-  
able or fixed output voltages.  
Applications  
• Pentium II Slot 1 and Slot 2 support circuits  
• Laptop, notebook, and palmtop computers  
• Cellular telephones  
• Consumer and personal electronics  
• SMPS post-regulator/dc-to-dc modules  
• High-efficiency linear power supplies  
For space-critical applications where peak currents do not  
exceed 500mA, see the MIC5219.  
Typical Applications  
Ordering Information  
Part Number  
Voltage  
2.5V  
3.0V  
3.3V  
3.6V  
4.2V  
5.0V  
1.8V  
2.5V  
3.0V  
3.3V  
3.6V  
5.0V  
Adj.  
Junct. 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  
0°C to +125°C  
Package  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SO-8  
MIC5209-2.5BS  
MIC5209-2.5BS  
MIC5209-3.0BS  
MIC5209-3.3BS  
MIC5209-3.6BS  
MIC5209-4.2BS  
MIC5209-5.0BS  
MIC5209-1.8BM  
MIC5209-2.5BM  
MIC5209-3.0BM  
MIC5209-3.3BM  
MIC5209-3.6BM  
MIC5209-5.0BM  
MIC5209BM  
1
2
3
VIN  
≥ 3.0V  
VOUT  
2.5V ±1%  
0.1µF  
22µF  
tantalum  
3.3V Nominal-Input Slot-1  
Power Supply  
–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  
–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  
SO-8  
SO-8  
SO-8  
SO-8  
MIC5209-5.0BM  
ENABLE  
SHUTDOWN  
1
2
3
4
8
7
6
5
SO-8  
VIN  
6V  
SO-8  
VOUT  
5V  
MIC5209-2.5BU  
MIC5209-3.0BU  
MIC5209-3.3BU  
MIC5209-3.6BU  
MIC5209-5.0BU  
MIC5209BU  
2.5V  
3.0V  
3.3V  
3.6V  
5.0V  
Adj.  
TO-263-5  
TO-263-5  
TO-263-5  
TO-263-5  
TO-263-5  
TO-263-5  
2.2µF  
tantalum  
470pF  
(OPTIONAL)  
Ultra-Low-Noise 5V Regulator  
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 2, 2000  
1
MIC5209  
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MIC5209BU 替代型号

型号 品牌 替代类型 描述 数据表
MIC5209YUTR MICREL

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 ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5, LEAD FREE, TO-263, 5 PIN
MIC5209YU MICROCHIP

功能相似

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