TM
EV2303DN-00A
3A, 28V, 340KHz Synchronous Rectified
Step-Down Converter
EVALUATION BOARD
The Future of Analog IC Technology
TM
DESCRIPTION
The EV2303DN-00A is an evaluation board for
the MP2303, a monolithic synchronous buck
regulator.
The MP2303 integrates 120m鈩?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 limiting. An
adjustable soft-start prevents inrush current at
turn-on. In shutdown mode, the supply current
drops to 0.3碌A(chǔ).
This device, available in an 8-pin SOIC
package, provides a very compact system
solution with minimal reliance on external
components.
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
3A Output Current
Wide 4.75V to 28V Operating Input Range
3.3V Output, Adjustable from 0.80V to 25V
Distributed Power Systems
Pre-Regulator for Linear Regulators
Notebook Computers
APPLICATIONS
鈥淢PS鈥?and 鈥淭he Future of Analog IC Technology鈥?are Trademarks of Monolithic
Power Systems, Inc.
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage
Output Current
Symbol
V
IN
V
OUT
I
OUT
Value
4.75 鈥?28
3.3
3
Units
V
V
A
EV2303DN-00A EVALUATION BOARD
Efficiency vs
Load Current
100
95
90
EFFICIENCY (%)
V
IN
=8V
85
80
75
70
65
60
55
50
0
V
IN
=12V
V
IN
=24V
(L x W x H) 2.0鈥?x 1.5鈥?x 0.5鈥?/div>
(5.0cm x 3.8 x 1.2cm)
Board Number
EV2303DN-00A
EV2303DN-00A Rev. 1.1
2/13/2006
V
OUT
=3.3V
1000
2000
3000
LOAD CURRENT (mA)
EV2303_EC01
MPS IC Number
MP2303DN
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
漏 2006 MPS. All Rights Reserved.
1
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