TM
EV2364DF-00A
1.5A, 23V, 1.4MHz Dual
Step-Down Converter Evaluation Board
The Future of Analog IC Technology
TM
GENERAL DESCRIPTION
The EV2364DF-00A is an evaluation board for
the MP2364, a dual output, monolithic
step-down switch mode converter with built-in
internal power MOSFETs. It achieves 1.5A
continuous output current for each output over
a wide input supply range with excellent load
and line regulation.
Current mode operation provides fast transient
response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle
current limiting and thermal shutdown. In
shutdown mode the regulator draws 40碌A of
supply current.
The MP2364 requires a minimum number of
readily available standard external components.
FEATURES
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1.5A Current for Each Output
Ceramic Input and Output Capacitors
Up to 90% Efficiency
40碌A Shutdown Mode
Fixed 1.4MHz Frequency
Wide 4.75V to 23V Operating Input Range
Programmable Under Voltage Lockout
Programmable Soft-Start
Distributed Power Systems
I/O and Core Supplies
DSL Modems
Set Top Boxes
Cable Modems
APPLICATIONS
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage A
Output Voltage B
Symbol
V
IN
V
OUTA
V
OUTB
Value
4.75 to 23
3.3
2.5
Units
V
V
V
鈥淢PS鈥?and 鈥淭he Future of Analog IC Technology鈥?are Trademarks of Monolithic
Power Systems, Inc.
EV2364DF-00A EVALUATION BOARD
Efficiency vs
Load Current
100
90
V
OUT
=3.3V
V
OUT
=5V
EFFICIENCY (%)
80
70
60
V
OUT
=2.5V
(L x W x H) 2.2鈥?x 1.6鈥?x 0.4鈥?/div>
(5.5cm x 4.1cm x 1.0cm)
Board Number
EV2364DF-00A
MPS IC Number
MP2364DF
50
0
0.5
1.0
LOAD CURRENT (A)
1.5
MP2364_EC01
EV2364DF-00A Rev. 1.2
10/6/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
漏 2005 MPS. All Rights Reserved.
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