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PDF EV2309DS-00A Data sheet ( Hoja de datos )

Número de pieza EV2309DS-00A
Descripción 340KHz Synchronous Step-Down Converter Evaluation Board
Fabricantes MPS 
Logotipo MPS Logotipo



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TM
The Future of Analog IC Technology TM
EV2309DS-00A
1A, 23V, 340KHz Synchronous
Step-Down Converter Evaluation Board
GENERAL DESCRIPTION
The EV2309DS-00A is an evaluation board for
the MP2309, a monolithic synchronous buck
regulator. The device integrates 140m
MOSFETS that provide 1A continuous load
current over a wide operating input voltage of
4.75V to 23V. 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 is only 1µA.
This device, available in an 8-pin SOIC
package, provides a very compact system
solution with minimal reliance on external
components.
ELECTRICAL SPECIFICATIONS
FEATURES
Up to 1A Output Current
Wide 4.75V to 23V Operating Input Range
Monolithic Synchronous Buck with 140m
High-Side and Low-Side FETs
Fixed 340KHz Frequency
All Ceramic Input and Output Capacitors
Programmable Soft-Start
Programmable Input Under Voltage Lockout
APPLICATIONS
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Systems
Green Electronics/ Appliances
Notebook Computers
“MPS” and “The Future of Analog IC Technology” are Trademarks of
Monolithic Power Systems, Inc.
Parameter
Supply Voltage
Output Voltage
Output Current
Symbol
VIN
VOUT
IOUT
Value
4.75 to 23
3.3
0 to 1
Units
V
V
A
EV2309DS-00A EVALUATION BOARD
(L x W x H) 2.0” x 1.5” x 0.5”
(5.0cm x 3.8cm x 1.2cm)
Board Number
EV2309DS-00A
MPS IC Number
MP2309
Efficiency vs
Load Current
100
90
80 VIN = 5V
70 VIN = 12V
60
50 VIN = 23V
40
30
20
0
0.25 0.5 0.75
LOAD CURRENT (A)
1.0
MP2309-EC01
EV2309DS-00A Rev. 1.3
9/29/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
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