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MIC2224YML PDF预览

MIC2224YML

更新时间: 2024-11-07 20:33:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管
页数 文件大小 规格书
13页 384K
描述
2.5A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10

MIC2224YML 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HVSON,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.22其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0 TO 5.5 V
模拟集成电路 - 其他类型:SWITCHING REGULATOR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-N10
JESD-609代码:e3长度:3 mm
湿度敏感等级:2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:2.5 A
标称输出电压:1.8 V封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.9 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端子形式:NO LEAD
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

MIC2224YML 数据手册

 浏览型号MIC2224YML的Datasheet PDF文件第2页浏览型号MIC2224YML的Datasheet PDF文件第3页浏览型号MIC2224YML的Datasheet PDF文件第4页浏览型号MIC2224YML的Datasheet PDF文件第5页浏览型号MIC2224YML的Datasheet PDF文件第6页浏览型号MIC2224YML的Datasheet PDF文件第7页 
MIC2224  
High Efficiency 2MHz PWM Buck Converter with  
DAC Input and 40mBypass Switch  
General Description  
Features  
The MIC2224 is a high efficiency 2MHz PWM synchronous  
buck switching regulator optimized for powering 2.5G and  
3G CDMA RF Power Amplifiers. The output voltage of  
MIC2224 can be dynamically adjusted with an external  
DAC to maximize PA efficiency versus required output  
power. When the PA requires the highest power, the DAC  
can be used to enable a low on-resistance, 40m, bypass  
switch that powers the PA directly from the battery.  
2.7V to 5.5V input voltage range  
DAC-adjustable output voltage down to 0.3V  
600mA output current in PWM mode  
Internally protected 40mbypass switch  
Allows direct connection of battery to load  
Over 95% efficient  
Fully integrated MOSFET switches  
Constant 2MHz PWM operation  
Internal soft-start  
1% line and load regulation  
<1µA shutdown current  
Under-voltage lockout  
Thermal shutdown and current limit protection  
–40°C to +125°C junction temperature range  
The 2MHz PWM operation of MIC2224 allows the smallest  
possible components. It also allows the device to easily  
meet stringent W-CDMA VOUT response specifications.  
The MIC2224 operates from a 2.7V to 5.5V input, making  
it ideal for single cell Li-Ion applications. The device  
features built-in power MOSFETs that can supply up to  
600mA of output current in PWM mode, or over 1A in  
bypass mode. The MIC2224 can operate with a maximum  
duty cycle of 100% for use in low-dropout conditions.  
The MIC2224 has a junction temperature range of  
–40°C to +125°C and is available in a 10-pin 3mm x 3mm  
MLF® package.  
Applications  
Cellular phones  
PDAs  
Data sheets and support documentation can be found on  
Micrel’s web site at www.micrel.com.  
Typical Application  
L1  
4.7µH  
MIC2224  
5.4  
VIN 2.6V to 5.5V  
VOUT  
2, 3  
5
1
VIN = 4.2V  
4.8  
VIN  
SW  
8, 9  
4.2  
AVIN  
VOUT  
Bypass  
Mode  
3.6  
4
C1  
1µF  
C2  
1µF  
ENABLE  
DAC  
3.0  
2.4  
1.8  
6
DAC  
AGND PGND  
1.2  
7
10  
GND  
GND  
0.6  
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8  
2MHz PWM Converter with DAC Input  
VDAC (V)  
and 40mBypass Switch  
MLF and MicroLeadFrame are registered trademarks or 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  
M9999-091106  
September 2006  
1

MIC2224YML 替代型号

型号 品牌 替代类型 描述 数据表
MIC2224YML-TR MICROCHIP

完全替代

2.5A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10

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