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MAX77847

更新时间： 2024-11-05 15:18:35
品牌 Logo 应用领域
亚德诺 - ADI 开关转换器
页数 文件大小 规格书
37页 2858K
描述
5.5V 输入、4.5A 开关电流高效升降压转换器

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中文翻译

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MAX77847 数据手册

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Click here to ask an associate for production status of specific part numbers.  
5.5V Input, 4.5A Switching Current High  
Efficiency Buck-Boost Converter  
MAX77847  
General Description  
Benefits and Features  
The MAX77847 is a highly efficient high-performance  
buck-boost regulator with an industry-leading quiescent  
current of 14μA targeted for battery-powered  
applications. It supports an input voltage range from  
1.8V to 5.5V and an output voltage range from 1.8V to  
5.2V. The IC provides two programmable switching  
current limits to optimize external component sizing  
based on load requirements. Analog Devices’ unique  
buck-boost controller technology provides high  
efficiency, excellent load and line transient performance,  
and a seamless mode transition across the input and  
output range.  
•
Flexible System Integration  
• 1.8V to 5.5V Input Voltage Range  
• 1.8V to 5.2V (50mV steps) Output Voltage Range  
• 4.5A/3.6A Switching Current Limit  
• 14μA Ultra-Low IQ  
2
•
I C Interface  
• Programmable Output Voltage  
• Programmable Output Slew Rate (DVS)  
• Forced PWM Mode Operation (FPWM)  
• Output Active Discharge  
2
•
•
•
I C configurable GPI Pin  
• External FPWM Enable Input  
• DVS Control Input  
The device features a hardware configuration SEL pin  
2
which configures the default output voltage and I C  
target address. A hardware dynamic voltage scaling  
(DVS) pin allows the user to change the output voltage  
SEL Pin to Configure Device  
• Default Start-Up Voltage (16 Options)  
2
between two output voltages without I C interference.  
2
• I C Target Address (2 Options)  
2
The I C interface is optional and allows users to adjust  
Soft-Start  
the output voltage with 50mV steps.  
The MAX77847 is available in a 2.18mm x 1.66mm  
15-bump wafer-level package (WLP).  
Refer to Product Highlights for more details.  
Key Applications  
Simplified Application Diagram  
•
•
•
•
•
5G PA Supply  
Battery Power Equipment  
Internet of Things (IoT) Devices  
System Power Pre-Regulation  
Smartphones ToF/Facial and Gesture Recognition  
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Ordering Information appears at end of data sheet  
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19-101705; Rev 0; 9/23  
© 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
 
 
 
 
 
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