參數(shù)資料
型號(hào): EV2101DQ-00A
廠商: Monolithic Power Systems, Inc.
英文描述: 1.6MHz, 800mA Synchronous Step-Down Converter plus 200mA LDO
中文描述: 以1.6MHz,800mA的同步降壓型轉(zhuǎn)換器和200mA的LDO穩(wěn)壓器
文件頁(yè)數(shù): 1/5頁(yè)
文件大?。?/td> 230K
代理商: EV2101DQ-00A
EV2101DQ-00A
1.6MHz, 800mA Synchronous
Step-Down Converter plus 200mA LDO
EVALUATION BOARD
EV2101DQ-00A Rev. 1.1
8/18/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
The Future of Analog IC Technology
TM
TM
DESCRIPTION
The EV2101DQ-00A is the evaluation board for
the MP2101 step-down converter. It is designed
for high efficiency, step-down applications.
The MP2101 is a 1.6MHz current mode
synchronous buck converter plus LDO, which
provides two regulated output rails. Both control
loops are internally compensated, and all power
devices are integrated. Channel 1 is a
synchronous buck providing up to 92% efficiency
and 800mA output current from a 2.5V to 6V
input voltage. Channel 2 is an LDO that can
supply up to 200mA of load current from either
the power input or the output of channel 1 to
minimize the overall power loss and output
noises.
The MP2101 is available in a space-saving
3mm x 3mm QFN10 package with an exposed
pad.
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Input Voltage Range
V
IN
V
OUT1
Output Voltage
V
OUT2
I
OUT1
Load Max
I
OUT2
Value
2.5 – 6.0
1.8
1.2
800
200
Units
V
V
V
mA
mA
FEATURES
0.8A and 0.2A Outputs
2.5V to 6V Operating Input Range
Independently Adjustable Outputs from 0.6V
to V
IN
Independently External Enable Control
PWROK Pin Monitors Output Regulation
±3% Output Voltage Reference Over
Temperature
Small Solution Size
APPLICATIONS
DVD+/-RW drive
Smart phones
PDAs
Digital Cameras
Portable Instruments
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
EV2101DQ-00A EVALUATION BOARD
(L x W x H) 2.3” x 2.0” x 0.4”
(5.8cm x 5.1cm x 1.0cm)
Board Number
EV2101DQ-00A
MPS IC Number
MP2101DQ
10
100
1000
LOAD CURRENT (mA)
Efficiency vs
Load Current
100
95
90
85
80
75
70
65
60
55
50
45
40
35
E
V
IN
=3.3V
V
IN
=4.2V
V
IN
=5.0V
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