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參數資料
| 型號： | MP1543 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.5A, 500KHz Synchronous Rectified Step-up Converter |
| 中文描述： | 1.5A的，500KHz的同步整流升壓轉換器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 299K |
| 代理商： | MP1543 |
The Future of Analog IC Technology
MP1543
1.5A, 500KHz Synchronous
Rectified Step-up Converter
MP1543 Rev. 1.0
1/11/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
TM
DESCRIPTION
The MP1543 is a highly efficient, synchronous,
fixed frequency, current-mode step-up converter
with output to input disconnect, inrush current
limiting and internal soft-start. It includes an error
amplifier, ramp generator, comparator, N-Channel
switch and P-Channel synchronous rectified
switch (which greatly improves efficiency). The
output disconnect feature allows the output to be
completely isolated from the input in shutdown
mode.
The 500KHz switching frequency allows for
smaller
external
components
compact solution for a wide range of load
currents. The internal compensation and soft-start
minimizes the external component count and
limits the inrush current during startup. The
MP1543 regulates the output voltage up to 6V
and provides up to 400mA from a 2-cell AA with
a 3.3V output.
producing
a
The MP1543 is offered in a thin SOT23-5
package.
EVALUATION BOARD REFERENCE
Board Number
EV1543DJ-01A
Dimensions
2.4”X x 2.4”Y x 0.4”Z
FEATURES
Over 90% Efficiency
Output to Input Disconnect at Shutdown Mode
Internal Synchronous Rectifier
Inrush Current Limiting and Internal Soft-Start
Internal Compensation
1.5A Typical Switch Current Limit
500KHz Fixed Switching Frequency
Zero Current Shutdown Mode
Thermal Shutdown
5-Pin TSOT-23 Package
APPLICATIONS
MP3 Players
Handheld Computers and PDAs
Digital Still and Video Cameras
External Modems
Small LCD Displays
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP1543
SW
OUT
FB
GND
EN
4
3
1
2
5
V
IN
1.8V - 3.2V
EN
V
OUT
3.3V
400mA
V
OUT
=3.3V
V
IN
=1.8V
V
IN
=2.4V
V
IN
=3V
100
90
80
70
60
50
40
30
E
1
10
100
1000
LOAD CURRENT (mA)
MP1543-EC01
Efficiency vs
Load Current
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| MP1570DN | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MP1543DJ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.5A, 500KHz Synchronous Rectified Step-up Converter |
| MP1546A | 制造商:Motorola Inc 功能描述:ELECTRONIC COMPONENT |
| MP154-BP | 制造商:Micro Commercial Components (MCC) 功能描述:Diode Rectifier Bridge Single 400V 15A 4-Pin MP-50 Bulk |
| MP154W | 功能描述:橋式整流器 15A 400V LP RoHS:否 制造商:Vishay 產品:Single Phase Bridge 峰值反向電壓:1000 V 最大 RMS 反向電壓: 正向連續電流:4.5 A 最大浪涌電流:450 A 正向電壓下降:1 V 最大反向漏泄電流:10 uA 功率耗散: 最大工作溫度:+ 150 C 長度:30.3 mm 寬度:4.1 mm 高度:20.3 mm 安裝風格:Through Hole 封裝 / 箱體:SIP-4 封裝:Tube |
| MP155 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:Energy Efficient Off-line Regulator |
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