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MIC4720YMME PDF预览

MIC4720YMME

更新时间: 2024-02-23 13:03:28
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
21页 1062K
描述
3mm x 3mm 2.0MHz 2A Integrated Switch Buck Regulator

MIC4720YMME 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:6 weeks风险等级:5.73
其他特性:ALSO HAS OUTPUT VOLTAGE ADJUSTABLE DOWN TO 1V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-G10
JESD-609代码:e3长度:3 mm
功能数量:1端子数量:10
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:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.1 mm表面贴装:YES
切换器配置:BUCK最大切换频率:2200 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL宽度:3 mm
Base Number Matches:1

MIC4720YMME 数据手册

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MIC4720  
3mm x 3mm 2.0MHz 2A Integrated  
Switch Buck Regulator  
General Description  
Features  
The Micrel MIC4720 is a high efficiency PWM buck (step-  
down) regulator that provides up to 2A of output current.  
The MIC4720 operates at 2.0MHz and has proprietary  
internal compensation that allows a closed loop bandwidth  
of over 200KHz.  
2.7 to 5.5V supply voltage  
2.0MHz PWM mode  
Output current to 2A  
Up to 94% efficiency  
100% maximum duty cycle  
Adjustable output voltage option down to 1V  
Ultra-fast transient response  
Ultra-small external components  
Stable with a 1µH inductor and a 4.7µF output  
capacitor  
Fully integrated 2A MOSFET switch  
Micropower shutdown  
The low on-resistance internal p-channel MOSFET of the  
MIC4720 allows efficiencies over 92%, reduces external  
components count and eliminates the need for an  
expensive current sense resistor.  
The MIC4720 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.  
Thermal shutdown and current limit protection  
Pb-free 12-pin 3mm x 3mm MLF® package  
–40°C to +125°C junction temperature range  
Pb-free 10-pin ePad MSOP package  
The MIC4720 is available in the exposed pad 12-pin  
3mm x 3mm MLF® and 10-pin ePad MSOP package with a  
junction operating range from –40°C to +125°C.  
Applications  
FPGA/DSP/ASIC applications  
General point of load  
Broadband communications  
DVD/TV recorder  
Point of Sale  
Printers/Scanners  
Set Top Boxes  
Computing Peripherals  
Video Cards  
Typical Application  
MIC4720  
3.3VOUT Efficiency  
100  
95  
90  
85  
80  
75  
70  
65  
VIN = 4.5V  
MIC4720  
VIN = 5.0V  
VIN = 5.5V  
OUTPUT CURRENT (A)  
2A 2.0MHz 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  
M9999-051707  
May 2007  

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