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MPQ4459DQT-LF PDF预览

MPQ4459DQT-LF

更新时间: 2024-02-17 21:46:22
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管
页数 文件大小 规格书
17页 393K
描述
Switching Regulator, Current-mode, 4900kHz Switching Freq-Max, PDSO10, 3 X 3 MM, ROHS COMPLIANT, MO-229VEED-5, TQFN-10

MPQ4459DQT-LF 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SON
包装说明:TQFN-10针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.22
其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 36 V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE最大输入电压:36 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:S-PDSO-N10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:SQUARE封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.8 mm表面贴装:YES
切换器配置:BUCK最大切换频率:4900 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3 mmBase Number Matches:1

MPQ4459DQT-LF 数据手册

 浏览型号MPQ4459DQT-LF的Datasheet PDF文件第2页浏览型号MPQ4459DQT-LF的Datasheet PDF文件第3页浏览型号MPQ4459DQT-LF的Datasheet PDF文件第4页浏览型号MPQ4459DQT-LF的Datasheet PDF文件第5页浏览型号MPQ4459DQT-LF的Datasheet PDF文件第6页浏览型号MPQ4459DQT-LF的Datasheet PDF文件第7页 
MPQ4459  
Industrial Grade,1.5A, 4MHz, 36V  
Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MPQ4459 is a high frequency step-down  
switching regulator with an integrated internal  
high-side high voltage power MOSFET. It  
provides 1.5A output with current mode control  
for fast loop response and easy compensation.  
Guaranteed Industrial Temp Range  
120μA Quiescent Current  
Wide 3.8V to 36V Operating Input Range  
150mInternal Power MOSFET  
Up to 4MHz Programmable Switching  
Frequency  
Ceramic Capacitor Stable  
Internal Soft-Start  
Precision Current Limit without a Current  
Sensing Resistor  
Up to 95% Efficiency  
The wide 3.8V to 36V input range  
accommodates  
a
variety of step-down  
applications, including those in automotive  
systems. A 120µA operational quiescent current  
is suitable for use in battery-powered  
applications.  
Output Adjustable from 0.8V to 30V  
Available in 10-Pin 3x3 TQFN Package  
The frequency foldback helps prevent inductor  
current runaway during startup and thermal  
shutdown provides reliable, fault tolerant  
operation.  
APPLICATIONS  
High Voltage Power Conversion  
Automotive Systems  
Industrial Power Systems  
Distributed Power Systems  
Battery Powered Systems  
By switching at 4MHz, the MPQ4459 prevents  
EMI (Electromagnetic Interference) noise  
problems, such as those found in AM radio and  
ADSL applications.  
The MPQ4459 is available in thin 10-pin 3mm x  
3mm TQFN package.  
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green  
status, please visit MPS website under Quality Assurance. “MPS” and “The  
Future of Analog IC Technology” are Registered Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs  
Load Current  
100  
V =5V  
I
4
3
7
5
8, 9  
10  
90  
80  
70  
60  
50  
40  
30  
20  
V
COMP  
EN  
VIN  
BST  
SW  
IN  
4.5V to 36V  
C6  
NS  
V =24V  
I
V =12V  
I
CONTROL  
MPQ4459  
FREQ  
1, 2  
6
10MQ100N  
FB  
GND  
V
=3.3V  
O
0
500  
1000  
1500  
LOAD CURRENT (mA)  
MPQ4459 Rev. 1.0  
12/5/2012  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2012 MPS. All Rights Reserved.  
1

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