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MIC2203BML PDF预览

MIC2203BML

更新时间: 2024-09-13 04:39:59
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管输出元件
页数 文件大小 规格书
13页 2654K
描述
High Efficiency 1MHz Synchronous Buck Regulator

MIC2203BML 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DFN
包装说明:HVSON, SOLCC10,.12,20针数:10
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
Is Samacsys:N其他特性:ALSO HAS OUTPUT VOLTAGE ADJUSTABLE DOWN TO 0.5V
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:2.3 V标称输入电压:3.5 V
JESD-30 代码:S-PDSO-N10JESD-609代码:e0
长度:3 mm湿度敏感等级:1
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:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC10,.12,20
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):240认证状态:Not Qualified
座面最大高度:1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:1200 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn85Pb15)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:30宽度:3 mm
Base Number Matches:1

MIC2203BML 数据手册

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MIC2203  
High Efficiency 1MHz Synchronous  
Buck Regulator  
General Description  
Features  
The Micrel MIC2203 is a high efficiency 1MHz PWM  
synchronous buck switching regulator. The MIC2203  
features low noise constant frequency PWM  
operation with a low dynamic supply current of  
<1mA. The low noise and efficient operation both  
make the MIC2203 well suited for sensitive RF, and  
audio power applications.  
Input voltage range: 2.3V to 5.5V  
Output voltage adjustable down to 0.5V  
300mA output current  
Constant 1MHz PWM switching frequency  
> 95% efficiency  
< 1mA switching supply current  
< 350µA static quiescent current  
< 1µA shutdown current  
The MIC2203 operates from 2.3V to 5.5V input and  
can supply over 300mA of output current with output  
voltages down to 0.5V. Additionally, the MIC2203  
can be synchronized to an external clock, or multiple  
MIC2203s can easily be daisy-chained with the  
SYNCLOCK feature.  
All-ceramic capacitors  
Easily synchronized to external clock  
SYNCLOCK feature to daisy chain multiple  
devices  
The MIC2203 has a high loop bandwidth with  
corresponding ultra fast transient response times.  
This reduces the output capacitor size, and is very  
useful when powering applications that require fast  
dynamic response such as CPU cores and RF  
circuitry in high performance cellular phones and  
PDAs.  
Thermal shutdown and current limit protection  
10 pin MSOP, and 3mm x 3mm MLF-10L package  
options  
–40ºC to +125ºC junction temperature range  
Applications  
The MIC2203 is available in 10-pin MSOP and  
3mm x 3mm MLF™-10L package options with an  
operating junction temperature range from –40ºC to  
125ºC.  
802.11 WLAN modules  
MD players  
MP3 players  
_____________________________________________________________________  
Typical Application  
10µH  
1.8V  
300mA  
MIC2203BMM  
1
2
3
4
5
10  
9
2.3V to 5.5V  
R1  
10k  
SYNC_IN  
2.2µF  
8
1µF  
SYNC_OUT  
EN  
7
10nF  
6
R2  
3.83k  
High Efficiency Buck Regulator  
MicroLead Frame and MLF are trademarks of Amkor Technologies.  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax +1 (408) 474-1000 • http://www.micrel.com  
M9999-120604  
(408) 955-1690  
December 2004  

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