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參數資料
| 型號： | MP1542_06 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| 中文描述： | 700KHz/1.3MHz升壓轉換器的2A開關 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 466K |
| 代理商： | MP1542_06 |
The Future of Analog IC Technology
MP1542
700KHz/1.3MHz Boost Converter
with a 2A Switch
MP1542 Rev. 1.3
9/7/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
DESCRIPTION
The MP1542 is a current mode step up
converter with a 2A, 0.18
internal switch to
provide a highly efficient regulator with fast
response. The MP1542 can be operated at
700KHz or 1.3MHz allowing for easy filtering
and low noise. An external compensation pin
gives the user flexibility in setting loop
dynamics, which allows the use of small, low-
ESR ceramic output capacitors. Soft-start
results in small inrush current and can be
programmed with an external capacitor. The
MP1542 operates from an input voltage as low
as 2.5V and can generate 12V at up to 500mA
from a 5V supply.
The MP1542 includes under-voltage lockout,
current limiting and thermal overload protection
preventing damage in the event of an output
overload. The MP1542 is available in low profile
8-pin MSOP packages.
EVALUATION BOARD REFERENCE
Board Number
EV1542DK-00A
Dimensions
2.0”X x 2.0”Y
FEATURES
2A, 0.18
, 25V Power MOSFET
Uses Tiny Capacitors and Inductors
Pin Selectable 700KHz or 1.3MHz Fixed
Switching Frequency
Programmable Soft-Start
Operates with Input Voltage as Low as 2.5V
and Output Voltage as High as 22V
12V at 500mA from 5V Input
UVLO, Thermal Shutdown
Internal Current Limit
Available in 8-Pin MSOP Packages
APPLICATIONS
LCD Displays
Portable Applications
Handheld Computers and PDAs
Digital Still and Video Cameras
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
V
IN
3.3V
V
OUT
8V
MP1542
SW
IN
FB
COMP
1
2
6
7
3
8
4
5
SS
GND
EN
FSEL
OFF ON
D1
C4
10nF
C3
2.2nF
95
90
85
80
75
70
65
60
55
50
E
LOAD CURRENT (mA)
Efficiency vs
Load Current
1
10
100
1000
V
IN
= 3.3V
V
OUT
= 8V
相關PDF資料 |
PDF描述 |
|---|---|
| MP1543 | 1.5A, 500KHz Synchronous Rectified Step-up Converter |
| MP1543DJ | 1.5A, 500KHz Synchronous Rectified Step-up Converter |
| MP1567 | 1.2A Synchronous Rectified Step-Down Converter |
| MP1567DK | 1.2A Synchronous Rectified Step-Down Converter |
| MP1567DQ | 1.2A Synchronous Rectified Step-Down Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MP1542DH | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542DK | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542DK-LF-P | 功能描述:開關變換器、穩壓器與控制器 .7/1.3MHz 22Vout Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1542DK-LF-Z | 功能描述:開關變換器、穩壓器與控制器 .7/1.3MHz 22Vout Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1543 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.5A, 500KHz Synchronous Rectified Step-up Converter |
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