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MP1584EN PDF预览

MP1584EN

更新时间: 2024-02-27 15:26:35
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
17页 387K
描述
3A, 1.5MHz, 28V Step-Down Converter

MP1584EN 技术参数

生命周期:Not Recommended包装说明:SOIC-8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
其他特性:OUTPUT VOLTAGE FROM 0.8V TO 25V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:28 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G8
长度:4.9 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:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:HLSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE座面最大高度:1.7 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:1500 kHz温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

MP1584EN 数据手册

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MP1584  
3A, 1.5MHz, 28V  
Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1584 is a high frequency step-down  
switching regulator with an integrated internal  
high-side high voltage power MOSFET. It  
provides 3A output with current mode control for  
fast loop response and easy compensation.  
Wide 4.5V to 28V Operating Input Range  
Programmable Switching Frequency from  
100kHz to 1.5MHz  
High-Efficiency Pulse Skipping Mode for  
Light Load  
Ceramic Capacitor Stable  
Internal Soft-Start  
Internally Set Current Limit without a  
Current Sensing Resistor  
Available in SOIC8E Package.  
The wide 4.5V to 28V input range accommodates  
a variety of step-down applications, including  
those in an automotive input environment. A  
100µA operational quiescent current allows use in  
battery-powered applications.  
High power conversion efficiency over a wide  
load range is achieved by scaling down the  
switching frequency at light load condition to  
reduce the switching and gate driving losses.  
APPLICATIONS  
High Voltage Power Conversion  
Automotive Systems  
Industrial Power Systems  
Distributed Power Systems  
Battery Powered Systems  
The frequency foldback helps prevent inductor  
current runaway during startup and thermal  
shutdown provides reliable, fault tolerant  
operation.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
By switching at 1.5MHz, the MP1584 is able to  
prevent EMI (Electromagnetic Interference) noise  
problems, such as those found in AM radio and  
ADSL applications.  
The MP1584 is available in a thermally enhanced  
SOIC8E package.  
TYPICAL APPLICATION  
Efficiency Curve  
(f =500kHz)  
SW  
C4  
100nF  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN=12V  
8
7
2
6
1
4
3
BST  
V
OUT  
3.3V  
SW  
FB  
V
VIN  
IN  
D1  
VIN=24V  
EN  
EN  
MP1584  
COMP  
FREQ  
C3  
220pF  
GND  
C6  
NS  
5
0.01  
0.1  
1
10  
OUTPUT CURRENT (A)  
MP1584 Rev. 1.0  
8/8/2011  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2011 MPS. All Rights Reserved.  
1

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