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MP2126DN

更新时间： 2024-11-14 16:41:51
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管
页数 文件大小 规格书
12页 532K
描述
Switching Regulator, Current-mode, 4.5A, 1500kHz Switching Freq-Max, PDSO8, MS-012BA, SOIC-8

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MP2126DN 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：SOIC
包装说明：HLSOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
其他特性：ALSO OPERATES AS LDO REGULATOR, ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 6 V模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：6 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：R-PDSO-G8
长度：4.9 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：4.5 A
标称输出电压：0.6 V封装主体材料：PLASTIC/EPOXY
封装代码：HLSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1.7 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：1500 kHz温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

MP2126DN 数据手册

 浏览型号MP2126DN的Datasheet PDF文件第2页浏览型号MP2126DN的Datasheet PDF文件第3页浏览型号MP2126DN的Datasheet PDF文件第4页浏览型号MP2126DN的Datasheet PDF文件第5页浏览型号MP2126DN的Datasheet PDF文件第6页浏览型号MP2126DN的Datasheet PDF文件第7页 
MP2126  
1.25MHz, 2.5A Step-Down Switcher  
with a 0.5A LDO  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2126 is an internally compensated 2.5A  
•
•
•
•
•
•
2.5A Switcher Output Current  
0.5A LDO Output Current  
synchronous step-down switcher plus  
a
standalone 0.5A low dropout (LDO) linear  
regulator. It is ideal for powering portable  
equipment that runs from a single cell Lithium-  
Ion (Li+) Battery. The MP2126 can provide up  
to 2.5A to the switcher output, and 0.5A load  
current to the LDO output from a 2.5V to 6V  
input voltage. Both switcher and LDO output  
voltages can be regulated as low as 0.6V.  
Internal Power MOSFET Switches  
Stable with Ceramic Capacitors  
Up to 90% Efficiency for Switcher  
Switcher Low Dropout Operation: 100%  
Duty Cycle  
1µA Shutdown Current  
1.25MHz Switching Frequency  
Thermal Shutdown  
Cycle-by-Cycle Over Current Protection  
Short Circuit Protection  
Internal Soft-start for Switcher  
Power On Reset Output  
2.5V to 6V Input Range VIN1 for Switcher  
1V to VIN1 Input Range VIN2 for LDO  
Available in 8-pin SOIC with Exposed Pad  
•
•
•
•
•
•
•
•
•
•
The 2.5A switcher features an integrated  
high-side switch and synchronous rectifier for  
high efficiency. The switcher operating  
frequency is internally set at 1.25MHz. With  
peak current mode control and internal  
compensation, the MP2126 can be stabilized  
with ceramic capacitors and small inductors.  
Fault condition protection includes cycle-by-  
cycle current limiting and thermal shutdown.  
APPLICATIONS  
The standalone 0.5A LDO output is used to  
power noise sensitive circuitry. The LDO  
separate input supply pin (IN2) can be  
connected to the switcher output to reduce  
power dissipation and noise from the main  
switcher.  
•
•
•
DVD+/-RW Drives  
LCD TVs  
Industrial Instruments  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
MP2126 is available in an 8-pin SOIC package  
with exposed pad.  
TYPICAL APPLICATION  
Efficiency vs. Load Current  
VOUT=1.8V  
100  
90  
80  
70  
Vin=6V  
Vin=3.3V  
Vin=2.5V  
60  
50  
40  
30  
20  
10  
0
0
0.5  
1
1.5  
2
2.5  
LOAD CURRENT(A)  
MP2126 Rev. 0.9  
5/20/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
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