TM
EV2361DK/DQ-00A
2A, 1.4MHz Step-Down Converter
Evaluation Board
The Future of Analog IC Technology
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
achieves
2A
continuous output current 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 20碌A(chǔ) of
supply
current.
Programmable
soft-start
minimizes the inrush supply current and the
output overshoot at initial startup.
The MP2361 requires a minimum number of
readily available standard external components.
FEATURES
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2A Output Current with QFN Package
Up to 90% Efficiency
20碌A(chǔ) 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
Distributed Power Systems
Set Top Boxes
DSL Modems
Pre-Regulator for Linear Regulators
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
(1)
Symbol
V
IN
V
OUT
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
.
EV2361DK/DQ-00A EVALUATION BOARD
Efficiency vs
Load Current
100
90
EFFICIENCY (%)
V
OUT
=5V
80
V
OUT
=2.5V
70
60
V
OUT
=3.3V
(L x W x H) 2.1鈥?x 1.3鈥?x 0.4鈥?/div>
(5.3cm x 3.3cm x 1.0cm)
Board Number
EV2361DK/DQ-00A
MPS IC Number
MP2361DK/DQ
50
0
0.5
1.0
1.5
LOAD CURRENT (A)
2.0
MP2361-EC01
EV2361DK/DQ-00A Rev. 1.3f
www.MonolithicPower.com
10/5/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
漏 2005 MPS. All Rights Reserved.
1
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