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參數(shù)資料
| 型號： | EV2112DQ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1A, 1MHz Synchronous Step-Down Converter |
| 中文描述： | 第1A，1MHz同步降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 166K |
| 代理商： | EV2112DQ-00A |
The Future of Analog IC Technology
EV2112DQ-00A
1A, 1MHz Synchronous
Step-Down Converter
EVALUATION BOARD
EV2112DQ-00A Rev. 1.0
3/17/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
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.
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Input Voltage
V
IN
Output Voltage
V
OUT
Output Current
I
OUT
Value
2.5 – 6
1.8
1
Units
V
V
A
FEATURES
High Efficiency: Up to 95%
1A Available Load Current
2.5V to 6V Input Voltage Range
APPLICATIONS
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
PDAs
MP3 Players
Set-top Box
Digital Still and Video Cameras
Portable Instruments
“MPS” and “The Future of Analog IC Technology”, are Trademarks of Monolithic
Power Systems, Inc.
EV2111/12DQ-00A EVALUATION BOARD
(L x W x H) 2.1”x 2.1” x 0.4”
(5.3cm x 5.3cm x 1.0cm)
Board Number
EV2111/12DQ-00A
MPS IC Number
MP2112DQ
100
90
80
70
60
50
40
30
20
10
0
E
10
100
1000
LOAD CURRENT (mA)
MP2112-EC01
Efficiency vs
Load Current
V
IN
= 3.3V
V
IN
= 4.2V
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