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EV2303DN-00A

EV2303DN-00A首页预览图
型号: EV2303DN-00A
PDF文件:
  • EV2303DN-00A PDF文件
  • EV2303DN-00A PDF在线浏览
功能描述: 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter
PDF文件大小: 348.83 Kbytes
PDF页数: 共12页
制造商: MPS[Monolithic Power Systems]
制造商LOGO: MPS[Monolithic Power Systems] LOGO
制造商网址: http://www.monolithicpower.com
捡单宝EV2303DN-00A
PDF页面索引
120%
MP2303
3A, 28V, 340KHz Synchronous Rectified
Step-Down Converter
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
MP2303 Rev. 0.91 www.MonolithicPower.com 1
3/10/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
The Future of Analog IC Technology
TM
TM
DESCRIPTION
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.
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.
EVALUATION BOARD REFERENCE
Board Number Dimensions
EV2303DN-00A 2.0”X x 1.5”Y x 0.5”Z
FEATURES
3A Output Current
Wide 4.75V to 28V Operating Input Range
Integrated 120m Power 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
APPLICATIONS
Distributed Power Systems
Pre-Regulator for Linear Regulators
Notebook Computers
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
VIN
4.75V-28V
VOUT
5V/3A
C5
10nF
C3
3.3nF
MP2303
BS SS
EN
COMP
FB
IN
SW
GND
3
4
8
7
6
5
1
2
MP2303_TAC01
C6
(optional)
100
90
80
70
60
50
EFFICIENCY (%)
0 0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
MP2303-EC01
Efficiency vs
Load Current
VIN = 12V
VIN = 24V
V
OUT = 5V
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