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MIC22400YTSETR PDF预览

MIC22400YTSETR

更新时间： 2024-01-11 15:56:47
品牌 Logo 应用领域
麦瑞 - MICREL 开关光电二极管输出元件
页数 文件大小 规格书
22页 990K
描述
IC,SMPS CONTROLLER,VOLTAGE-MODE,TSSOP,20PIN,PLASTIC

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中文翻译

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MIC22400YTSETR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：HTSSOP, TSSOP20,.25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.33
其他特性：ALSO HAS ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.7V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：2.6 V
标称输入电压：3.3 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：6.5 mm
湿度敏感等级：3功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：4 A
最小输出电压：0.7 V封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260座面最大高度：1.05 mm
最大供电电流 (Isup)：2 mA表面贴装：YES
切换器配置：BUCK最大切换频率：4000 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：4.4 mm

MIC22400YTSETR 数据手册

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MIC22400  
4A Integrated Switch Synchronous  
Buck Regulator with Frequency  
Programmable up to 4MHz  
General Description  
Features  
The Micrel MIC22400 is a high efficiency 4A integrated  
switch synchronous buck (step-down) regulator. The  
MIC22400 is optimized for highest efficiency, achieving  
over 90% efficiency while still switching at 1MHz over a  
broad load range. The ultra high speed control loop keeps  
the output voltage within regulation even under extreme  
transient load swings commonly found in FPGAs and low  
voltage ASICs. The output voltage can be adjusted down  
to 0.7V to address all low voltage power needs. The  
MIC22400 gives a full range of sequencing and tracking  
options. The enable/delay pin combined with the power  
good pin allows multiple outputs to be sequenced in any  
way on turn on and turn off. The RC (Ramp Control™) pin  
allows the device to be connected to another MIC22400  
family of products to keep the output voltages within a  
certain ΔV on start up.  
• Input voltage range: 2.6V to 5.5V  
• Output voltage adjustable down to 0.7V  
• Output load current up to 4A  
• Full sequencing and tracking ability  
• Power on reset  
• Efficiency > 90% across a broad load range  
• Programmable frequency 300kHz to 4MHz  
• Easy RC compensation  
• Ultra fast transient response  
• 100% maximum duty cycle  
• Fully integrated MOSFET switches  
• Micropower shutdown  
• Thermal shutdown and current limit protection  
• 20-pin 3mm x 4mm MLF®  
The MIC22400 is available in a 20-pin 3mm x 4mm MLF®  
and thermally enhanced 20-pin e-TSSOP with a junction  
operating range from –40°C to +125°C.  
• 20-pin e-TSSOP  
• –40°C to +125°C junction temperature range  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Applications  
• High power density point of load conversion  
• Servers and routers  
• DVD recorders  
• Computing peripherals  
• Base stations  
• FPGAs, DSP and low voltage ASIC power  
Typical Application  
Efficiency V = 3.3V  
O
100  
95  
90  
85  
80  
75  
70  
65  
60  
0
0.5  
1
1.5  
2 2.5 3 3.5 4 4.5  
OUTPUT CURRENT (A)  
MIC22400 4A Synchronous Buck Regulator  
Sequencing & Tracking  
Ramp Control 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  
M9999-070209-E  
July 2009  
1234567...22

中文翻译

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