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參數(shù)資料
| 型號： | EV0077 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.3MHz Low Power Boost Converter |
| 中文描述： | 1.3MHz升壓轉(zhuǎn)換器的低功耗 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 155K |
| 代理商： | EV0077 |
EV0077 (MP1541) 1.3MHz LOW POWER BOOST CONVERTER
EVALUATION BOARD - INITIAL RELEASE
NOTICE:
MPS believes the information in this document to be accurate and reliable. However, it is subject to change without
notice. Contact MPS for current specifications. MPS encourages users of its products to ensure that third party Intellectual
Property rights are not infringed upon when integrating MPS products into any application. MPS cannot assume any legal
responsibility for any said applications.
EV0077 (MP1541) Rev. 1.0
6/10/04
2004 MPS, Inc.
Monolithic Power Systems, Inc.
983 University Avenue, Building A, Los Gatos, CA 95032 USA
Tel: 408-357-6600
Fax: 408-357-6601
www.MonolithicPower.com
4
QUICK START GUIDE
The output voltage of this board is set to 12V. The board layout accommodates most commonly used
inductors and output capacitors.
1. Preset Power Supply to 2.5V
≤
V
IN
≤
6V.
2. Turn Power Supply off.
3. Connect Power Supply terminals to:
a. Positive (+): VIN
b. Negative (–): GND
4. Connect Load to:
a. Positive (+): VOUT
b. Negative (–): GND
5. Turn Power Supply on after making connections.
6. The MP1541 is automatically enabled on the evaluation board once VIN is applied. To disable
the MP1541, connect the EN pin to ground.
7. The output voltage V
OUT
can be changed by varying R3. Calculate the new value using the
fomula:
4
R
1
V
V
3
R
FB
OUT
=
where V
FB
= 1.25V and R4 = 11.8k
For example, for V
OUT
= 8V
=
×
=
k
72
.
63
k
8
11
1
V
25
.
V
8
3
R
Therefore use a 63.4k
standard 1% value.
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