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MP1542

更新时间: 2024-02-09 08:59:07
品牌 Logo 应用领域
芯源 - MPS 转换器开关升压转换器
页数 文件大小 规格书
10页 481K
描述
700KHz/1.3MHz Boost Converter with a 2A Switch

MP1542 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:TSSOP
包装说明:MSOP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.32
其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 3 TO 22V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:22 V最小输入电压:2.5 V
标称输入电压:5 VJESD-30 代码:S-PDSO-G8
长度:3 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.1 mm表面贴装:YES
切换器配置:BOOST最大切换频率:1500 kHz
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3 mm

MP1542 数据手册

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MP1542  
700KHz/1.3MHz Boost Converter  
with a 2A Switch  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1542 is a current mode step up  
converter with a 2A, 0.18internal 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.  
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  
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.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
EVALUATION BOARD REFERENCE  
Board Number  
Dimensions  
EV1542DK-00A  
2.0”X x 2.0”Y  
TYPICAL APPLICATION  
Efficiency vs  
Load Current  
D1  
VIN  
3.3V  
VOUT  
8V  
95  
90  
85  
80  
75  
70  
65  
60  
5
6
7
3
IN  
SW  
2
1
FSEL  
FB  
OFF ON  
EN  
MP1542  
8
SS  
COMP  
GND  
4
C3  
2.2nF  
V
= 3.3V  
= 8V  
IN  
55  
50  
V
OUT  
C4  
10nF  
1
10  
100  
1000  
LOAD CURRENT (mA)  
MP1542_TAC01  
MP1542-EC02  
MP1542 Rev. 1.2  
12/14/2005  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2005 MPS. All Rights Reserved.  
1

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