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The Future of Analog IC Technology
EV2361DK/DQ-00A
2A, 1.4MHz Step-Down Converter
Evaluation Board
EV2361DK/DQ-00A Rev. 1.3f
10/5/2005
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
TM
DESCRIPTION
The EV2361DK/DQ-00A is the evaluation board
for the MP2361, a monolithic step down switch
mode converter with a built in internal power
MOSFET.
The
MP2361
continuous output current over a wide input
supply range with excellent load and line
regulation.
achieves
2A
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 20μA of
supply
current.
Programmable
minimizes the inrush supply current and the
output overshoot at initial startup.
soft-start
The MP2361 requires a minimum number of
readily available standard external components.
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Input Voltage
V
IN
Output Voltage
V
OUT
Output Current
(1)
I
OUT
Value
4.75 to 23
3.3
2
Units
V
V
A
Note:
1) The maximum output current may be less than 2A if
V
OUT
>60% of V
IN
.
FEATURES
2A Output Current with QFN Package
Up to 90% Efficiency
20μA Shutdown Mode
Fixed 1.4MHz Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.75V to 23V Operating Input Range
Output Adjustable from 0.92V to 16V
Programmable Under Voltage Lockout
APPLICATIONS
Distributed Power Systems
Set Top Boxes
DSL Modems
Pre-Regulator for Linear Regulators
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
EV2361DK/DQ-00A EVALUATION BOARD
(L x W x H) 2.1” x 1.3” x 0.4”
(5.3cm x 3.3cm x 1.0cm)
Board Number
EV2361DK/DQ-00A
MPS IC Number
MP2361DK/DQ
V
OUT
=5V
V
OUT
=2.5V
V
OUT
=3.3V
100
90
80
70
60
50
E
0
2.0
0.5
LOAD CURRENT (A)
1.0
1.5
MP2361-EC01
Efficiency vs
Load Current
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