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NB671AGQ PDF预览

NB671AGQ

更新时间: 2024-09-13 12:18:23
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
20页 839K
描述
24V, High Current Synchronous Step-down Converter

NB671AGQ 数据手册

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NB671A  
24V, High Current  
Synchronous Step-down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The NB671A is a fully integrated high frequency  
synchronous rectified step-down switch mode  
converter. It offers very compact solutions to  
achieve 6A continuous output current and 9A  
peak current over a wide input supply range  
with excellent load and line regulation. The  
NB671A operates at high efficiency over a wide  
output current load range.  
Wide 5V to 24V Operating Input Range  
6A Continuous Output Current  
9A Peak Output Current  
Low RDS(ON) Internal Power MOSFETs  
Proprietary Switching Loss Reduction  
Technique  
1% Reference Voltage  
7ms Internal Soft Start  
Output Discharge  
Constant-On-Time  
(COT)  
control  
mode  
provides fast transient response and eases loop  
stabilization.  
500kHZ Switching Frequency  
OCP, OVP, UVP Protection and Thermal  
Shutdown  
Under voltage lockout is internally set as 4.6 V,  
An open drain power good signal indicates the  
output is within its nominal voltage range.  
Output Adjustable from 0.604V to 5.5V  
APPLICATIONS  
Full protection features include OCP, OVP, and  
thermal shut down.  
Laptop Computer  
Tablet PC  
Networking Systems  
Personal Video Recorders  
Flat Panel Television and Monitors  
Distributed Power Systems  
The converter requires minimum number of  
external components and is available in QFN16  
(3mmx3mm) package.  
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green  
status, please visit MPS website under Products, Quality Assurance page.  
“MPS” and “The Future of Analog IC Technology” are registered trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
3.3  
VIN  
220nF  
VOUT  
BST  
SW  
VIN  
EN  
5V/6A  
2uH  
22uF  
499k  
VOUT  
FB  
150k  
NB671A  
22uF×3  
GND  
20.5k  
AGND PGND  
VCC  
PG  
100k  
1uF  
NB671A Rev. 1.0  
9/3/2013  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2013 MPS. All Rights Reserved.  
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