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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)： | 5/5頁(yè) |
| 文件大小： | 230K |
| 代理商： | EV2101DQ-00A |
EV2101DQ-00A
–
1.6MHz, 800mA SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
EVALUATION BOARD
NOTICE:
The information in this document is subject to change without notice. Users should warrant and guarantee that third
party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not
assume any legal responsibility for any said applications.
EV2101DQ-00A Rev. 1.1
8/18/2006
www.MonolithicPower.com
5
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
QUICK START GUIDE
The output voltages on this board are set to 1.8V and 1.2V. The board layout accommodates most
commonly used inductors and output capacitors.
1. Attach the positive and negative ends of the load to the VOUT1/VOUT2 and GND pins,
respectively.
2. With the input supply off, attach the input voltage, 2.5V
≤
V
IN
≤
6V, and the input ground to the
VIN and GND pins, respectively. Then turn on the power supply.
3. To enable the MP2101, apply a voltage, 1.5V
≤
V
EN
≤
6V, to the EN1/EN2 pin. To disable the
MP2101, apply a voltage, V
EN
< 0.3V, to the EN1/EN2 pin. The default setting for the jumper on
the board connects V
IN
to the EN1/EN2 pin. In this configuration, the part will operate without
applying any external voltage to the EN1/EN2 pin.
4. The output voltages V
OUT1
and V
OUT2
can be changed by varying R2 and R4, respectively.
Calculate the new value by the formula:
1
V
V
1
R
2
R
1
FB
1
OUT
=
1
V
V
3
R
4
R
2
FB
2
OUT
=
Where V
FB1
= V
FB2
= 0.6V, R1 = 300k
, and R4 = 60.4k
Example:
For V
OUT1
= 2.5V:
=
=
k
7
94
1
V
6
V
5
k
300
2
R
Therefore, use a 95.3k
standard 1% value.
5. The JP1 Setting:
The JP1 can set the LDO input voltage from V
IN1
or V
OUT1
.
6. EN1/EN2 Setting: JP2 and JP3
The EN1/EN2 signals can be turned on by connecting to the input voltage V
IN1
or an external
signal.
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相關(guān)代理商/技術(shù)參數(shù) |
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| EV2104DJ-00A | 制造商:MPS 制造商全稱(chēng):Monolithic Power Systems 功能描述:1.7MHz, 600mA Synchronous Step-Down Converter |
| EV2105-900 | 制造商:Pacific Monolithics 功能描述:RF & MW AMPLIFIER EVALUATION BOARD/DESIGNER KIT 制造商:Richardson Electronics 功能描述:EV2105-900 |
| EV2105DJ-00A | 制造商:MPS 制造商全稱(chēng):Monolithic Power Systems 功能描述:800mA Synchronous Buck Step-Down Converter |
| EV2106DK-00A | 制造商:Monolithic Power Systems 功能描述:EVAL KIT FOR 2.6V TO 15V IN, 1.5A OUT SYNCH BUCK CNVRTR EVAL - Bulk |
| EV2106DQ/DK-00A | 制造商:MPS 制造商全稱(chēng):Monolithic Power Systems 功能描述:1.5A, 15V, 800KHz Synchronous Buck Converter |
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