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參數(shù)資料
| 型號(hào)： | EV0060 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.2A Synchronous Rectified Step-Down Converter |
| 中文描述： | 1.2A的同步整流降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 9/11頁(yè) |
| 文件大?。?/td> | 309K |
| 代理商： | EV0060 |
MP1567 – 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP1567 Rev. 2.3
1/3/2006
www.MonolithicPower.com
9
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
External Boost Diode
For 5V input or output applications, it is
recommended that an external boost diode be
added. This will help improve the regulator
efficiency. The diode can be a low cost diode
such as an IN4148 or BAT54.
MP1567
SW
BS
1
3
5V
BOOST
DIODE
10nF
MP1567_F02
Figure 2—External Boost Diode
This diode is also recommended for high duty
cycle operation (when
IN
OUT
V
V
>65%) and high
output voltage (V
OUT
>12V) applications.
TYPICAL APPLICATION CIRCUITS
MP1567
SW
FB
IN
BS
BP
SS
COMP
SGND PGND
EN
1
3
7
9
8
4
5
6
10
2
V
OUT
1.8V/1.2A
INPUT
6V
OPEN IF
NOT USED
MP1567_F03
OFF ON
C6
10nF
C4
OPEN
C7
10nF
C3
1nF
C5
10nF
Figure 3—6V Input Application Circuit
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