Monolithic Synchronous Buck with 140m鈩?/div>
High-Side and Low-Side FETs
Fixed 340KHz Frequency
All Ceramic Input and Output Capacitors
Programmable Soft-Start
Programmable Input Under Voltage Lockout
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Systems
Green Electronics/ Appliances
Notebook Computers
APPLICATIONS
ELECTRICAL SPECIFICATIONS
Parameter
Supply Voltage
Output Voltage
Output Current
Symbol
V
IN
V
OUT
I
OUT
Value
4.75 to 23
3.3
0 to 1
Units
V
V
A
鈥淢PS鈥?and 鈥淭he Future of Analog IC Technology鈥?are Trademarks of
Monolithic Power Systems, Inc.
EV2309DS-00A EVALUATION BOARD
Efficiency vs
Load Current
100
90
EFFICIENCY (%)
80
70
60
50
40
30
20
V
IN
= 23V
V
IN
= 5V
V
IN
= 12V
(L x W x H) 2.0鈥?x 1.5鈥?x 0.5鈥?/div>
(5.0cm x 3.8cm x 1.2cm)
Board Number
EV2309DS-00A
MPS IC Number
MP2309
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.
漏 2005 MPS. All Rights Reserved.
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