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MP2361 PDF预览

MP2361

更新时间: 2024-11-28 03:48:43
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
8页 186K
描述
2A, 23V, 1.4MHz Step-Down Converter

MP2361 数据手册

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TM  
MP2361  
2A, 23V, 1.4MHz  
Step-Down Converter  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2361 is a monolithic step-down switch  
mode converter with a built-in internal power  
MOSFET. It achieves 2A continuous output  
current over a wide input supply range with  
excellent load and line regulation.  
2A Output Current with QFN Package  
0.18Internal Power MOSFET Switch  
Stable with Low ESR Output Ceramic  
Capacitors  
90% Efficiency  
20µA Shutdown Mode  
Current mode operation provides fast transient  
response and eases loop stabilization.  
Fixed 1.4MHz Frequency  
Thermal Shutdown  
Fault condition protections include cycle-by-cycle  
current limiting and thermal shutdown. In  
shutdown mode the regulator draws 20µA of  
Cycle-by-Cycle Over Current Protection  
Wide 4.75V to 23V Operating Input Range  
Output Adjustable from 0.92V to 16V  
Programmable Under Voltage Lockout  
Available in 10-pin QFN (3mm x 3mm) and  
Tiny MSOP Packages  
supply  
current.  
Programmable  
soft-start  
minimizes the inrush supply current and the  
output overshoot at initial startup.  
The MP2361 requires a minimum number of  
readily available standard external components.  
Evaluation Board Available  
APPLICATIONS  
EVALUATION BOARD REFERENCE  
Distributed Power Systems  
Battery Charger  
DSL Modems  
Board Number  
Dimensions  
EV2361DQ-00A  
2.3”X x 1.5”Y x 0.5”Z  
Pre-Regulator for Linear Regulators  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs  
Load Current  
INPUT  
4.75V to 23V  
C5  
100  
10nF  
4
2
V
=5V  
OUT  
IN  
BS  
90  
80  
70  
60  
50  
9
V
OUT  
2.5V/2A  
5
EN  
SW  
D1  
B220A  
MP2361  
7
10  
SS  
FB  
V
=2.5V  
OUT  
GND  
COMP  
V
=3.3V  
OUT  
6
8
C3  
1.8nF  
C4  
10nF  
C6  
OPEN  
0
0.5  
1.0  
1.5  
2.0  
LOAD CURRENT (A)  
MP2361_TAC_S01  
MP2361-EC01  
MP2361 Rev. 1.2  
1/11/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1

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