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| 型号： | MIC2225-GFYMT TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/15页 |
| 文件大小： | 354K |
| 描述： | IC REG DL BUCK/LINEAR 10TMLF |
| 标准包装： | 1 |
| 拓扑： | 降压（降压）（1），线性（LDO）（1） |
| 功能： | 任何功能 |
| 输出数： | 2 |
| 频率 - 开关： | 2MHz |
| 电压/电流 - 输出 1： | 1.8V，600mA |
| 电压/电流 - 输出 2： | 1.5V，300mA |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFDFN，10-TMLF? |
| 供应商设备封装： | 10-TMLF?（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1092 (CN2011-ZH PDF) |
| 其它名称： | 576-3103-6 |
MIC2225
2MHz 600mA Synchronous Buck
Regulator with 300mA LDO
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
February 2008
M9999-022008-D
General Description
The Micrel MIC2225 is a dual output regulator featuring a
high efficiency 2MHz PWM synchronous buck (step-down)
regulator and a 300mA LDO. The MIC2225 is an ultra-low
noise, small size, and high efficiency solution for portable
power applications, providing core and I/O supply rails for
applications like application processors, camera DSPs and
multimedia chipsets.
In PWM mode, the MIC2225 operates with a constant
2MHz frequency. The MIC2225 switching regulator
operates from 2.7V to 5.5V input and features internal
power MOSFETs that can supply up to 600mA output
current in PWM mode.
The MIC2225 is available in the 10-pin 2mm x 2mm Thin
MLF
?/DIV>
package with a junction operating range from 40癈
to +125癈.
Data sheets and support documentation can be found on
Micrels web site at: www.micrel.com.
Features
DC-DC Converter
" 2.7 to 5.5V supply voltage
" 2MHz PWM mode
" Output current to 600mA
" >95% efficiency
" 100% maximum duty cycle
" Fixed output voltage option down to 1V
" Ultra-fast transient response
" Stable with 2.2礔 ceramic output capacitor
" Fully integrated MOSFET switches
" Micropower shutdown (1mA in shutdown)
" Thermal shutdown and current limit protection
" Pb-free 10-pin 2mm x 2mm Thin MLF
?/DIV>
package
" 40癈 to +125癈 junction temperature range
LDO
" V
IN
range 2.7V to 5.5V
" 300mA output current
" Output voltage down to 0.8V
" Thermal shutdown protection
" Current limit protection
Applications
" Cellular phones
" PDAs
" USB peripherals
___________________________________________________________________________________________________________
Typical Application
0
10
20
30
40
50
60
70
80
90
100
0 0.1 0.2 0.3 0.4 0.5 0.6
LOAD CURRENT (A)
1.8V Efficiency @ 25癈
2.7V
IN
5.5V
IN
3.6V
IN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2225-GJYMT | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC2225-GJYMT TR | 功能描述:直流/直流开关调节器 Ultra Small Dual Channel DC/DC + LDO 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 |
| MIC2225-GJYMT-TR | 功能描述:Linear And Switching Voltage Regulator IC 2 Output Step-Down (Buck) (1), Linear (LDO) (1) 2MHz 10-UFDFN, 10-TMLF? 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 拓扑:降压（降压）（1），线性（LDO）（1） 功能:任何功能 输出数:2 频率 - 开关:2MHz 电压/电流 - 输出 1:1.8V，600mA 电压/电流 - 输出 2:2.5V，300mA 电压/电流 - 输出 3:- 带 LED 驱动器:无 带监控器:无 带定序器:无 电压 - 电源:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFDFN，10-TMLF? 供应商器件封装:10-TMLF?（2x2） 标准包装:1 |
| MIC2225-GMYMT | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2MHz 600mA Synchronous Buck Regulator with 300mA LDO |
| MIC2225-GMYMT TR | 功能描述:直流/直流开关调节器 Ultra Small Dual Channel DC/DC + LDO 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 |
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