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MPQ4431GLE-5-AEC1-Z

更新时间： 2024-09-30 19:37:11
品牌 Logo 应用领域
芯源 - MPS 开关
页数 文件大小 规格书
33页 1870K
描述
Switching Regulator,

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MPQ4431GLE-5-AEC1-Z 技术参数

生命周期：Active包装说明：,
Reach Compliance Code：compliant风险等级：5.69
模拟集成电路 - 其他类型：SWITCHING REGULATORBase Number Matches：1

MPQ4431GLE-5-AEC1-Z 数据手册

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MPQ4431  
36V, 1A, Low Quiescent Current,  
Synchronous, Step-Down Converter  
AEC-Q100 Qualified  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MPQ4431 is a frequency-programmable  
(350kHz to 2.5MHz), synchronous, step-down  
switching regulator with integrated, internal,  
high-side and low-side power MOSFETs. It  
provides up to 1A of highly efficient output  
current with current mode control for fast loop  
response.  
Wide 3.3V to 36V Operating Input Range  
1A Continuous Output Current  
1μA Low Shutdown Mode Current  
10μA Sleep Mode Quiescent Current  
Internal 90mΩ High-Side and 80mΩ Low-  
Side MOSFETs  
350kHz to 2.5MHz Programmable Switching  
Frequency  
Fixed Output Options: 3.3V, 3.8V, 5V  
Synchronize to External Clock  
Selectable In-Phase or 180° Out-of-Phase  
Power Good (PG) Indicator  
Programmable Soft-Start (SS) Time  
80ns Minimum On Time  
Selectable Forced CCM or AAM  
Low Dropout Mode  
Over-Current Protection (OCP) with Valley-  
Current Detection and Hiccup  
The wide 3.3V to 36V input range accommodates  
a variety of step-down applications in automotive  
input environments and is ideal for battery-  
powered applications due to its extremely low  
quiescent current.  
The  
MPQ4431  
employs  
advanced  
asynchronous mode (AAM), which helps  
achieve high efficiency in light-load condition by  
scaling down the switching frequency to reduce  
switching and gate driving losses.  
Standard features include soft start (SS),  
external clock synchronization, enable (EN)  
control, and a power good (PG) indicator. High-  
duty cycle and low dropout mode are provided  
for automotive cold-crank condition.  
Available in  
Package  
a
QFN-16 (3mmx4mm)  
Available with Wettable Flank  
AEC-Q100 Grade-1  
APPLICATIONS  
Over-current protection (OCP) with valley-  
current detection is employed to prevent the  
inductor current from running away. Hiccup  
mode reduces the average current in short-  
circuit condition greatly. Thermal shutdown  
provides reliable and fault-tolerant operation.  
Automotive Systems  
Industrial Power Systems  
All MPS parts are lead-free, halogen-free, and adhere to the RoHS  
directive. For MPS green status, please visit the MPS website under  
Quality Assurance. “MPS” and “The Future of Analog IC Technology” are  
registered trademarks of Monolithic Power Systems, Inc.  
The MPQ4431 is available in a QFN-16  
(3mmx4mm) package.  
TYPICAL APPLICATION  
100  
95  
90  
85  
80  
75  
70  
65  
60  
0.01  
0.1  
1
Output Adjustable Version  
Output Fixed Version  
MPQ4431 Rev. 1.02  
5/10/2019  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2019 MPS. All Rights Reserved.  
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