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BD83A44EFV-M PDF预览

BD83A44EFV-M

更新时间: 2024-04-09 18:58:41
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罗姆 - ROHM /
页数 文件大小 规格书
50页 2338K
描述
This IC is a white LED driver for LCD backlight. It has MOS for boost and 4ch current drivers for

BD83A44EFV-M 数据手册

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BD83A44EFV-M BD83A44MUF-M  
Contents  
General Description........................................................................................................................................................................1  
Features..........................................................................................................................................................................................1  
Key Specifications ..........................................................................................................................................................................1  
Package..........................................................................................................................................................................................1  
Applications ....................................................................................................................................................................................1  
Typical Application Circuit ...............................................................................................................................................................1  
Contents .........................................................................................................................................................................................2  
Pin Configuration ............................................................................................................................................................................3  
Pin Descriptions..............................................................................................................................................................................3  
Block Diagram ................................................................................................................................................................................5  
Description of Blocks ......................................................................................................................................................................6  
Absolute Maximum Ratings ..........................................................................................................................................................10  
Thermal Resistance......................................................................................................................................................................10  
Recommended Operating Conditions...........................................................................................................................................11  
Operating Conditions (External Constant Range).........................................................................................................................11  
Electrical Characteristics...............................................................................................................................................................12  
Typical Performance Curves.........................................................................................................................................................15  
Function Descriptions ...................................................................................................................................................................17  
PCB Application Circuit Diagram ..................................................................................................................................................28  
List of External Components.........................................................................................................................................................29  
Selection of Components Externally Connected...........................................................................................................................31  
Precautions for PCB Layout..........................................................................................................................................................37  
Power Consumption Calculation Example....................................................................................................................................38  
Application Circuit Example ..........................................................................................................................................................40  
I/O Equivalence Circuit .................................................................................................................................................................41  
Operational Notes.........................................................................................................................................................................42  
Ordering Information.....................................................................................................................................................................44  
Marking Diagrams.........................................................................................................................................................................44  
Physical Dimension and Packing Information...............................................................................................................................45  
Revision History............................................................................................................................................................................47  
www.rohm.com  
TSZ02201-0T2T0B200460-1-2  
© 2022 ROHM Co., Ltd. All rights reserved.  
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TSZ22111 • 15 • 001  
08.May.2023 Rev.001  
 

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