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参数资料
| 型号： | MIC22400YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 20MLF |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.7 V ~ 5 V |
| 输入电压： | 2.6 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 800kHz ~ 4MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VFQFN 裸露焊盘，20-MLF® |
| 包装： | 标准包装 |
| 供应商设备封装： | 20-MLF?（3x4） |
| 产品目录页面： | 1094 (CN2011-ZH PDF) |
| 其它名称： | 576-3078-6 |
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MIC22400
4A Integrated Switch Synchronous
Buck Regulator with Frequency
Programmable up to 4MHz
General Description
Features
The MIC22400 is available in a 20-pin 3mm x 4mm MLF
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 EN/DLY pin combined with the Power-On-
Reset (POR) pin allows multiple outputs to be sequenced
in any way on turn-on and turn-off. The Ramp Control?
(RC) pin allows the device to be connected to another
MIC22400 family of products to keep the output voltages
within a certain Δ V on start-up.
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and thermally-enhanced 20-pin ePad TSSOP with a
junction operating range from –40 ° C to +125 ° C.
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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 (POR)
Efficiency > 90% across a broad load range
Programmable frequency 300kHz to 4MHz
Easy Ramp Control? (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 ?
20-pin ePad 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
Typical Application
MIC22400 4A Synchronous Buck Regulator
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Servers and routers
DVD recorders
Computing peripherals
Base stations
FPGAs, DSP and low-voltage ASIC power
Sequencing & Tracking
Ramp Control is a trademark of Micrel, Inc.
MLF and Micro LeadFrame 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
June 2011
M9999-061511-F
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC22400YTSE | 功能描述:直流/直流开关调节器 4A Integrated Switch Synchronous Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC22400YTSE TR | 功能描述:直流/直流开关调节器 4A Integrated Switch Synchronous Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC22405 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:4A Integrated Switch High-Efficiency Synchronous Buck Regulator |
| MIC22405YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:4A Integrated Switch High-Efficiency Synchronous Buck Regulator |
| MIC22405YML EV | 功能描述:电源管理IC开发工具 4A Integrated Switch Synchronous Buck Regulator w/ Pre-Bias - Evaluation Board RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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