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MIC4723YML PDF预览

MIC4723YML

更新时间: 2024-02-21 21:40:53
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
20页 536K
描述
3A 2MHz Integrated Switch Buck Regulator

MIC4723YML 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HTSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.71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:3 V标称输入电压:3.6 V
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:3
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:HTSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.04 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
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

MIC4723YML 数据手册

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MIC4723  
3A 2MHz Integrated Switch  
Buck Regulator  
General Description  
Features  
The Micrel MIC4723 is a high efficiency PWM buck (step-  
down) regulator that provides up to 3A of output current.  
The MIC4723 operates at 2.0MHz and has proprietary  
internal compensation that allows a closed loop bandwidth  
of over 200KHz.  
2.7/3.0V to 5.5V supply voltage  
2.0MHz PWM mode  
Output current to 3A  
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 3A MOSFET switch  
Micropower shutdown  
Thermal shutdown and current limit protection  
Pb-free 12-pin 3mm x 3mm MLF® package  
Pb-free 10-pin ePAD MSOP package  
–40°C to +125°C junction temperature range  
The low on-resistance internal p-channel MOSFET of the  
MIC4723 allows efficiencies over 92%, reduces external  
components count and eliminates the need for an  
expensive current sense resistor.  
The MIC4723 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.  
The MIC4723 is available in the exposed pad 12-pin  
3mm x 3mm MLF® and 10-pin ePAD MSOP packages 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.  
Applications  
FPGA/DSP/ASIC applications  
General point of load  
Broadband communications  
DVD/TV recorders  
Point of sale  
Printers/Scanners  
Set top boxes  
Computing peripherals  
Video cards  
___________________________________________________________________________________________________________  
Typical Application  
MIC4723  
3.3V  
Efficiency  
OUT  
96  
94  
92  
90  
88  
86  
84  
82  
80  
78  
76  
4.5V  
IN  
5V  
IN  
5.5V  
IN  
3A 2MHz Buck Regulator  
0
0.5  
1
1.5  
2
2.5  
3
OUTPUT CURRENT (A)  
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  
M9999-060308-E  
June 2008  

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