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MPQ4423-AEC1 PDF预览

MPQ4423-AEC1

更新时间： 2024-10-01 17:02:11
品牌 Logo 应用领域
芯源 - MPS 时钟
页数 文件大小 规格书
18页 931K
描述
汽车级，带电源正常指示（PG）和外部同步时钟的 3A/36V 工业级高效同步降压变换器

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MPQ4423-AEC1 数据手册

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MPQ4423  
High Efficiency 3A, 36V,  
Synchronous Step Down Converter  
AEC-Q100 Qualified  
DESCRIPTION  
FEATURES  
The  
MPQ4423  
is  
a
high-frequency,  
Wide 4V to 30V Continuous Operating Input  
Range  
36V Input Transient Tolerance for  
Automotive Load Dump  
85mΩ/55mΩ Low RDS(ON) Internal Power  
MOSFETs  
High-Efficiency Synchronous Mode  
Operation  
synchronous, rectified, step-down, switch-mode  
converter with built-in power MOSFETs. It  
offers a very compact solution to achieve a 3A  
continuous output current with excellent load  
and line regulation over a wide input supply  
range. The MPQ4423 has synchronous mode  
operation for higher efficiency over the output  
current load range.  
Default 410kHz Switching Frequency  
Synchronizes to a 200kHz to 2.2MHz  
External Clock  
Current-mode operation provides fast transient  
response and eases loop stabilization.  
High Duty Cycle for Automotive Cold-crank  
Power-Save Mode  
Internal Soft-Start  
Power Good  
OCP Protection and Hiccup  
Thermal Shutdown  
Output Adjustable from 0.8V  
Available in an QFN-8 (3mmx3mm)  
Available in AEC-Q100 Grade 1  
Full protection features include over-current  
protection and thermal shut down.  
The MPQ4423 requires a minimal number of  
readily-available standard external components,  
and is available in a space-saving QFN-8  
(3mmx3mm) package.  
APPLICATIONS  
Automotive  
Industrial Control System  
Distributed Power Systems  
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  
MPQ4423 Rev.1.0  
5/17/2018  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2018 MPS. All Rights Reserved.  
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