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MP2303ADN-LF PDF预览

MP2303ADN-LF

更新时间: 2024-11-03 13:11:47
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
12页 345K
描述
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MP2303ADN-LF 数据手册

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TM  
MP2303  
3A, 28V, 340KHz Synchronous Rectified  
Step-Down Converter  
TM  
The Future of Analog IC Technology  
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE  
DESCRIPTION  
FEATURES  
The MP2303 is a monolithic synchronous buck  
regulator. The device integrates 120m  
MOSFETS that provide 3A continuous load  
current over a wide operating input voltage of  
4.75V to 28V. Current mode control provides  
fast transient response and cycle-by-cycle  
current limit.  
3A Output Current  
Wide 4.75V to 28V Operating Input Range  
Integrated 120mPower MOSFET Switches  
Output Adjustable from 0.8V to 25V  
Up to 95% Efficiency  
Programmable Soft-Start  
Stable with Low ESR Ceramic Output Capacitors  
Fixed 340KHz Frequency  
Cycle-by-Cycle Over Current Protection  
Input Under Voltage Lockout  
Thermally Enhanced 8-Pin SOIC Package  
An adjustable soft-start prevents inrush current  
at turn-on. In shutdown mode, the supply  
current drops to 1µA.  
This device, available in an 8-pin SOIC  
package, provides a very compact system  
solution with minimal reliance on external  
components.  
APPLICATIONS  
Distributed Power Systems  
Pre-Regulator for Linear Regulators  
Notebook Computers  
EVALUATION BOARD REFERENCE  
Board Number  
Dimensions  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
EV2303DN-00A  
2.0”X x 1.5”Y x 0.5”Z  
TYPICAL APPLICATION  
Efficiency vs  
Load Current  
C5  
10nF  
100  
VIN = 12V  
1
8
7
BS  
SS  
EN  
90  
80  
70  
60  
50  
2
VIN  
IN  
4.75V-28V  
MP2303  
V
IN = 24V  
6
5
3
4
SW  
GND  
COMP  
C3  
3.3nF  
C6  
FB  
(optional)  
VOUT = 5V  
VOUT  
5V/3A  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
MP2303_TAC01  
LOAD CURRENT (A)  
MP2303-EC01  
MP2303 Rev. 0.91  
3/10/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1

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