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MIC23250-ADJTR PDF预览

MIC23250-ADJTR

更新时间： 2024-09-20 14:53:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
15页 589K
描述
IC,SMPS CONTROLLER,VOLTAGE-MODE,LLCC,12PIN,PLASTIC

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中文翻译

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MIC23250-ADJTR 技术参数

是否Rohs认证： 符合生命周期：Contact Manufacturer
包装说明：MLF-12Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.24模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER
控制模式：VOLTAGE-MODE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 VJESD-30 代码：S-XDSO-N12
JESD-609代码：e4长度：2 mm
湿度敏感等级：1功能数量：1
端子数量：12最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC12,.1,16封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.6 mm
子类别：Switching Regulator or Controllers标称供电电压 (Vsup)：3.6 V
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：0.4 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：2 mm
Base Number Matches：1

MIC23250-ADJTR 数据手册

 浏览型号MIC23250-ADJTR的Datasheet PDF文件第2页浏览型号MIC23250-ADJTR的Datasheet PDF文件第3页浏览型号MIC23250-ADJTR的Datasheet PDF文件第4页浏览型号MIC23250-ADJTR的Datasheet PDF文件第5页浏览型号MIC23250-ADJTR的Datasheet PDF文件第6页浏览型号MIC23250-ADJTR的Datasheet PDF文件第7页 
MIC23250  
4MHz Dual 400mA Synchronous Buck  
Regulator with HYPER LIGHT LOAD™  
General Description  
Features  
The MIC23250 is a high efficiency 4MHz dual 400mA  
synchronous buck regulator with Hyper Light Load™. Hyper  
Light Load™ provides all the advantages of standard light  
load modes, such as low quiescent current and high  
efficiency but also allows the use of very small output  
capacitors to maintain low output ripple voltage throughout  
the entire load range. This benefit is not possible with other  
light load mode types as they trade off control speed for low  
standby currents. With Hyper Light Load™, the output  
capacitor can be reduced by up to a factor of 20 saving cost  
and valuable board space. The tiny package (2mm x 2mm  
Thin MLF®) of MIC23250 also saves crucial board space by  
using only six external components while regulating two  
independent outputs up to 400mA each.  
• Input voltage range: 2.7V to 5.5V  
• Dual output current 400mA/400mA  
• Hyper Light Load™ mode  
–
35µA dual quiescent current  
–
1µH inductor with a 4.7µF capacitor  
• 4MHz in PWM operation  
• Ultra fast transient response  
• Low voltage output ripple  
–
20mVpp in Hyper Light Load™ mode  
–
3mV output voltage ripple in full PWM mode  
• Up to 94% peak efficiency and 85% efficiency at 1mA  
• Fully integrated MOSFET switches  
• Micropower shutdown  
• Thermal shutdown and current limit protection  
• Fixed output:10-pin 2mm x 2mm Thin MLF®  
• Adjustable output:12-pin 2.5mm x 2.5mm Thin MLF®  
(Available in Q2/Q3 2008)  
The device is designed for use with a 1µH inductor and a  
4.7µF output capacitor that enables a sub-1mm height.  
The MIC23250 has a very low quiescent current of 35µA  
and can achieve over 85% efficiency at 1mA. At higher  
• –40°C to +125°C junction temperature range  
loads the MIC23250 provides  
frequency around 4MHz while providing peak efficiencies up  
to 94%.  
a constant switching  
Applications  
The MIC23250 fixed output voltage option is available in a  
10-pin 2mm x 2mm Thin MLF® with a junction operating  
range from –40°C to +125°C. The adjustable output voltage  
option will soon be available in Q2/Q3 2008.  
• Mobile handsets  
• Portable media players  
• Portable navigation devices (GPS)  
• WiFi/WiMax/WiBro modules  
• Digital cameras  
• Wireless LAN cards  
• USB Powered Devices  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
___________________________________________________________________________________________________________  
Typical Application  
Efficiency V  
= 1.8V  
OUT  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 3.0V  
VIN = 2.7V  
VIN = 4.2V  
VIN = 3.6V  
L = 1µH  
= 4.7µF  
C
OUT  
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.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-121707-A  
December 2007  
1234567...15

中文翻译

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