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參數(shù)資料
| 型號： | EV0020 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 2A, 32V, 330KHz Step-Down Converter |
| 中文描述： | 第2A，32V的，330KHz降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 207K |
| 代理商： | EV0020 |
EV0020 (MP1591DN) – 2A, 32V, 330KHz STEP-DOWN CONVERTER
EVALUATION BOARD
NOTICE:
The information in this document is subject to change without notice. Please contact MPS for current specifications.
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.
EV0020 (MP1591DN) Rev. 1.5
12/21/2005
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
QUICK START GUIDE
The output voltage of this board is set to 5V. The board layout accommodates most commonly used
inductors and output capacitors.
1. Attach the positive and negative ends of the load to VOUT and GND, respectively.
2. Attach the input voltage (6.5V
≤
V
IN
≤
32V) and input ground to VIN and GND, respectively.
3. To enable to the MP1591, apply a voltage (V
EN
≥
2V) to the EN pin. To disable it, connect the
EN pin to ground.
4. The REF pin outputs a 5V reference voltage. If used, a 0.01
μ
F capacitor should be connected
from this pin to GND to reduce switching ripple. Leave unconnected if not used.
5. The output voltage V
OUT
can be changed by varying R1. Calculate R1 using the formula:
×
=
1
V
V
3
R
1
R
FB
OUT
where V
FB
= 1.23V and R3 is set at 15k
.
For example, for V
OUT
= 5.0V:
≈
=
×
=
×
=
k
47
k
98
.
45
1
V
23
.
V
0
k
15
1
V
V
3
R
1
R
FB
OUT
standard 1% value.
See Maximum Duty Cycle limits to determine allowable output voltage range.
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| EV0021 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:High Efficiency White LED Driver |
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| EV0030 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:20W Class D Mono Single Ended Audio Amplifer |
| EV0033 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.2A Synchronous Rectified Step-Down Converter |
| EV0034 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 1.3MHz Step-Up Converter |
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