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MIC261203-ZYJL-TR PDF预览

MIC261203-ZYJL-TR

更新时间： 2024-01-07 02:42:17
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关
页数 文件大小 规格书
31页 1049K
描述
Switching Regulator, 750kHz Switching Freq-Max

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中文翻译

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MIC261203-ZYJL-TR 技术参数

生命周期：Active包装说明：QCCN,
Reach Compliance Code：compliantFactory Lead Time：15 weeks
风险等级：5.72模拟集成电路 - 其他类型：SWITCHING REGULATOR
最大输入电压：28 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-XQCC-N28
长度：6 mm功能数量：1
端子数量：28最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：QCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER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：750 kHz温度等级：AUTOMOTIVE
端子形式：NO LEAD端子位置：QUAD
宽度：5 mmBase Number Matches：1

MIC261203-ZYJL-TR 数据手册

 浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第2页浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第3页浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第4页浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第5页浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第6页浏览型号MIC261203-ZYJL-TR的Datasheet PDF文件第7页 
MIC261203  
28V, 12A Hyper Light Load™  
Synchronous DC/DC Buck Regulator  
SuperSwitcher IIG™  
General Description  
Features  
•
•
Hyper Light Load™ efficiency – up to 80% at 10mA  
Hyper Speed Control™ architecture enables  
− High Delta V operation (VIN = 28V and VOUT = 0.8V)  
− Small output capacitance  
Input voltage range: 4.5V to 28V  
Output current up to 12A  
The Micrel MIC261203 is  
a
constant-frequency,  
synchronous DC/DC buck regulator featuring adaptive on-  
time control architecture. The MIC261203 operates over a  
supply range of 4.5V to 28V. It has an internal linear  
regulator which provides a regulated 5V to power the  
•
•
•
•
•
•
•
•
•
internal control circuitry. MIC261203 operates at  
a
constant 600kHz switching frequency in continuous-  
conduction mode and can be used to provide up to 12A of  
output current. The output voltage is adjustable down to  
0.8V.  
Up to 95% efficiency  
Adjustable output voltage from 0.8V to 5.5V  
±1% FB accuracy  
Any CapacitorTM stable − zero-to-high ESR  
600kHz switching frequency  
Micrel’s Hyper Light Load™ architecture provides the same  
high-efficiency and ultra-fast transient response as the  
Hyper Speed Control™ architecture under medium to heavy  
loads, but also maintains high efficiency under light load  
conditions by transitioning to variable frequency,  
discontinuous mode operation.  
Power Good (PG) output  
Foldback current-limit and “hiccup” mode short-circuit  
protection  
The MIC261203 offers a full suite of protection features to  
ensure protection of the IC during fault conditions. These  
include undervoltage lockout to ensure proper operation  
under power-sag conditions, thermal shutdown, internal  
soft start to reduce the inrush current, foldback current-  
limit and “hiccup” mode short-circuit protection. The  
MIC261203 includes a Power Good (PG) output to allow  
simple sequencing.  
•
•
•
Safe start-up into pre-biased loads  
5mm x 6mm MLF® package  
–40°C to +125°C junction temperature range  
Applications  
•
•
•
Distributed power systems  
Telecom/networking infrastructure  
Printers, scanners, graphic cards and video cards  
All support documentation can be found on Micrel’s web  
site at: www.micrel.com.  
___________________________________________________________________________________________________________  
Typical Application  
Efficiency (VIN = 12V)  
vs. Output Current  
100  
95  
5.0V  
90  
85  
80  
75  
70  
65  
60  
55  
50  
3.3V  
2.5V  
1.8V  
1.5V  
1.2V  
1.0V  
0.9V  
0.8V  
VIN = 12V  
3
0
6
9
12  
15  
OUTPUT CURRENT (A)  
Hyper Speed Control, Hyper Light Load, SuperSwitcher II, and Any Capacitor are trademarks 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  
M9999-071311-A  
July 2011  
1234567...31

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