EV2112DQ-00A
1A, 1MHz Synchronous
Step-Down Converter
The Future of Analog IC Technology
EVALUATION BOARD
DESCRIPTION
The EV2111/12DQ-00A is an evaluation board
for the MP2112DQ.
The MP2112 is a 1MHz constant frequency,
current mode, PWM step-down converter. The
device integrates a main switch and a
synchronous rectifier for high efficiency without
an external Schottky diode. It is ideal for
powering portable equipment that runs from a
single cell Lithium-Ion (Li+) battery. The
MP2112 can supply 1A of load current from a
2.5V to 6V input voltage. The output voltage
can be regulated as low as 0.6V. The MP2112
can also run at 100% duty cycle for low dropout
applications.
The MP2112 is available in a space-saving
6-pin 3mmx3mm QFN package with an
exposed pad.
FEATURES
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High Efficiency: Up to 95%
1A Available Load Current
2.5V to 6V Input Voltage Range
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
PDAs
MP3 Players
Set-top Box
Digital Still and Video Cameras
Portable Instruments
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
Symbol
V
IN
V
OUT
I
OUT
Value
2.5 鈥?6
1.8
1
Units
V
V
A
EV2111/12DQ-00A EVALUATION BOARD
Efficiency vs
Load Current
100
90
80
EFFICIENCY (%)
V
IN
= 3.3V
V
IN
= 4.2V
70
60
50
40
30
20
10
0
10
(L x W x H) 2.1鈥漻 2.1鈥?x 0.4鈥?/div>
(5.3cm x 5.3cm x 1.0cm)
Board Number
EV2111/12DQ-00A
EV2112DQ-00A Rev. 1.0
3/17/2006
MPS IC Number
MP2112DQ
100
LOAD CURRENT (mA)
1000
MP2112-EC01
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
漏 2006 MPS. All Rights Reserved.
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