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MIC23051-16YMLTR PDF预览

MIC23051-16YMLTR

更新时间： 2024-11-14 13:11:31
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器开关光电二极管
页数 文件大小 规格书
13页 793K
描述
2A SWITCHING REGULATOR, 4600kHz SWITCHING FREQ-MAX, PDSO8, 2 X 2 MM, GREEN, MLF-8

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MIC23051-16YMLTR 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON,
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.17Is Samacsys：N
其他特性：ALSO HAS PFM CONTROL TECHNIQUE模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.7 V标称输入电压：3.6 V
JESD-30 代码：S-PDSO-N8JESD-609代码：e4
长度：2 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.6 A标称输出电压：1.4 V
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
认证状态：Not Qualified座面最大高度：0.9 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：4600 kHz温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
宽度：2 mmBase Number Matches：1

MIC23051-16YMLTR 数据手册

 浏览型号MIC23051-16YMLTR的Datasheet PDF文件第2页浏览型号MIC23051-16YMLTR的Datasheet PDF文件第3页浏览型号MIC23051-16YMLTR的Datasheet PDF文件第4页浏览型号MIC23051-16YMLTR的Datasheet PDF文件第5页浏览型号MIC23051-16YMLTR的Datasheet PDF文件第6页浏览型号MIC23051-16YMLTR的Datasheet PDF文件第7页 
MIC23051  
4MHz PWM Buck Regulator  
with HYPER LIGHT LOAD™  
and Voltage Scaling  
General Description  
Features  
The Micrel MIC23051 is a high efficiency 500mA PWM  
synchronous buck (step-down) regulator featuring Hyper  
Light Load™, a patented switching scheme that offers best  
in class light load efficiency and transient performance  
while providing very small external components and low  
output ripple at all loads.  
• Input voltage range: 2.7V to 5.5V  
• Fixed output voltage options from 0.72V to 2.5V  
• Output voltage scaling option  
• Output current to 500mA  
• Ultra fast transient response  
• 20µA typical quiescent current  
• 4MHz in CCM PWM operation in normal mode  
• Hyper light load mode  
The MIC23051 has an output voltage scaling feature that  
can toggles between two different voltage levels.  
The MIC23051 also has a very low typical quiescent  
current draw of 20µA and can achieve over 85% efficiency  
even at 1mA. The device allows operation with a tiny  
inductor ranging from 0.47µH to 2.2µH and uses a small  
output capacitor that enables a sub-1mm height.  
• 0.47µH to 2.2µH inductor  
• Low voltage output ripple  
–
25mVpp in hyper light load mode  
–
3mV output voltage ripple in full PWM mode  
• >93% efficiency  
• ~85% at 1mA  
• Fully integrated MOSFET switches  
• Micropower shutdown  
In contrast to traditional light load schemes Hyper Light  
Load™ architecture does not need to trade off control  
speed to obtain low standby currents and in doing so the  
device only needs a small output capacitor to absorb the  
load transient as the powered device goes from light load  
to full load.  
• Thermal shutdown and current limit protection  
• 8-pin 2mm x 2mm MLF®  
• –40°C to +125°C junction temperature range  
At higher loads the MIC23051 provides a constant  
switching frequency of greater than 4MHz while providing  
peak efficiencies greater than 93%.  
Applications  
The MIC23051 comes in fixed output voltage options from  
0.72V to 2.5V eliminating external feedback components.  
The MIC23051 is available in an 8-pin 2mm x 2mm MLF®  
with a junction operating range from –40°C to +125°C.  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
• Cellular phones  
• Digital cameras  
• Portable media players  
• Wireless LAN cards  
• WiFi/WiMax/WiBro modules  
• USB Powered Devices  
___________________________________________________________________________________________________________  
Typical Application  
Efficiency V  
= 1.8V  
OUT  
100  
80  
60  
40  
20  
0
V
= 2.7V  
IN  
V
= 3.6V  
IN  
V
= 3.3V  
IN  
V
= 1.8V  
OUT  
L = 1µH  
1
10  
100  
1000  
LOAD (mA)  
Hyper Light Load is a trademark of Micrel, Inc.  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.  
Protected by US Patent No. 7064531  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-101207-C  
October 2007  
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