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MIC4722YML PDF预览

MIC4722YML

更新时间: 2024-02-08 17:00:48
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
20页 568K
描述
3mm x 3mm 2.7MHz 3A PWM Buck Regulator

MIC4722YML 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HVSON,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.74模拟集成电路 - 其他类型:SWITCHING REGULATOR
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-PDSO-N12
JESD-609代码:e4长度:3 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:11 A
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
峰值回流温度(摄氏度):260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:3000 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处于峰值回流温度下的最长时间:40
宽度:3 mmBase Number Matches:1

MIC4722YML 数据手册

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MIC4722  
3mm x 3mm 2.7MHz 3A PWM Buck Regulator  
General Description  
Features  
The Micrel MIC4722 is a high efficiency PWM buck (step-  
down) regulator that provides up to 3A of output current.  
The MIC4722 operates at 2.7MHz that makes it suitable  
for next generation XDSL modems requiring operating  
frequencies in excess of 2.4MHz and has proprietary  
internal compensation that allows a closed loop bandwidth  
of over 200KHz.  
2.7 to 5.5V supply voltage  
2.7MHz PWM mode  
Output current to 3A  
>92% efficiency  
100% maximum duty cycle  
Adjustable output voltage option down to 1V  
Ultra-fast transient response  
The low on-resistance internal p-channel MOSFET of the  
MIC4722 allows efficiencies over 92%, reduces external  
components count and eliminates the need for an  
expensive current sense resistor.  
Ultra-small external components  
Stable with a 0.47µH inductor and a 4.7µF output  
capacitor  
The MIC4722 operates from 2.7V to 5.5V input and the  
output can be adjusted down to 1V. The devices can  
operate with a maximum duty cycle of 100% for use in low-  
dropout conditions.  
Fully integrated 3A MOSFET switch  
Micropower shutdown  
Thermal shutdown and current limit protection  
Pb-free 12-pin 3mm x 3mm MLF® package  
–40°C to +125°C junction temperature range  
The MIC4722 is available in the exposed pad 12-pin  
3mm x 3mm MLF® package with a junction operating  
range from –40°C to +125°C.  
Applications  
5V or 3.3V Point of Load Conversion  
Telecom/Networking Equipment  
Set Top Boxes  
Storage Equipment  
Video Cards  
Typical Application  
MIC4722  
3A 2.7MHz Buck Regulator  
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  
M9999-090507-B  
September 2007  

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