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LQH32PNR47NNC PDF预览

LQH32PNR47NNC

更新时间： 2024-01-31 13:46:07
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
19页 1106K
描述
4MHz, 2A, 100% Duty Cycle Buck Regulator with HyperLight Load® and Power Good

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中文翻译

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LQH32PNR47NNC 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：CHIP, 1210Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8504.50.80.00
Factory Lead Time：8 weeks风险等级：0.85
大小写代码：1210构造：Magnetically Shielded
型芯材料：FERRITE直流电阻：0.0288 Ω
标称电感 (L)：0.47 µH电感器应用：RF INDUCTOR
电感器类型：GENERAL PURPOSE INDUCTOR功能数量：1
端子数量：2最高工作温度：125 °C
最低工作温度：-40 °C封装高度：1.55 mm
封装长度：3.2 mm封装形式：SMT
封装宽度：2.5 mm包装方法：Tape, Embossed
最大额定电流：2.9 A自谐振频率：100 MHz
形状/尺寸说明：RECTANGULAR PACKAGE屏蔽：YES
特殊特征：DCR TOLERANCE MEASURED AT 20%表面贴装：YES
端子位置：DUAL ENDED端子形状：WRAPAROUND
测试频率：1 MHz容差：30%
Base Number Matches：1

LQH32PNR47NNC 数据手册

 浏览型号LQH32PNR47NNC的Datasheet PDF文件第2页浏览型号LQH32PNR47NNC的Datasheet PDF文件第3页浏览型号LQH32PNR47NNC的Datasheet PDF文件第4页浏览型号LQH32PNR47NNC的Datasheet PDF文件第5页浏览型号LQH32PNR47NNC的Datasheet PDF文件第6页浏览型号LQH32PNR47NNC的Datasheet PDF文件第7页 
MIC23163/4  
4MHz, 2A, 100% Duty Cycle Buck Regulator  
with HyperLight Load® and Power Good  
General Description  
Features  
The MIC23163/4 is  
a
high-efficiency, 4MHz, 2A,  
• Input voltage: 2.7V to 5.5V  
• 100% duty cycle  
• 2A output current  
• Up to 93% peak efficiency  
• 85% typical efficiency at 1mA  
• Programmable soft-start with pre-bias start-up capability  
• Power Good (PG) Indicator  
• 4MHz PWM operation in continuous mode  
• Ultra-fast transient response  
synchronous buck regulator with HyperLight Load® (HLL)  
mode and maximum 100% duty cycle. HLL provides very-  
high efficiency at light loads and ultra-fast transient  
response which makes the MIC23163/4 perfectly suited for  
supplying processor core voltages. An additional benefit of  
this proprietary architecture is very low output ripple  
voltage throughout the entire load range with the use of  
small output capacitors. The tiny 2.0mm × 2.0mm DFN  
package saves precious board space and requires only  
three external components.  
• Low ripple output voltage  
• Fully-integrated MOSFET switches  
• 0.1µA shutdown current  
The MIC23163/4 is designed for use with a very small  
0.47µH inductor and 10µF output capacitor that enables a  
total solution size, less than 1mm height.  
• Thermal shutdown and current-limit protection  
• 10-pin 2.0mm × 2.0mm Thin DFN  
• –40°C to +125°C junction temperature range  
• Disable pull down 180Ω (MIC23164 only)  
The MIC23163/4 has a very low quiescent current of 33µA  
and achieves as high as 85% efficiency at 1mA. At higher  
loads, the MIC23163/4 provides a constant switching  
frequency around 4MHz while achieving peak efficiencies  
up to 93%. The MIC23164 incorporates an active  
discharge feature that switches an 180Ω FET to ground to  
discharge the output when the part is disabled.  
Applications  
• Cellular modems  
• Mobile handsets  
• Portable media/MP3 players  
• Portable navigation devices (GPS)  
• WiFi/WiMax/WiBro modules  
• Digital cameras  
The MIC23163/4 is available in 10-pin 2.0mm × 2.0mm  
DFN package with an operating junction temperature  
range from –40°C to +125°C.  
Datasheets and support documentation are available on  
Micrel’s web site at: www.micrel.com.  
• Wireless LAN cards  
Typical Application  
HyperLight Load is a registered trademark of Micrel, 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  
Revision 2.0  
June 29, 2013  
1234567...19

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