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IR3821MPBF

更新时间： 2024-11-11 03:44:27
品牌 Logo 应用领域
英飞凌 - INFINEON 稳压器开关式稳压器或控制器电源电路开关式控制器输入元件
页数 文件大小 规格书
1页 37K
描述
HIGHLY INTEGRATED 7A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR

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中文翻译

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IR3821MPBF 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR峰值回流温度（摄氏度）：NOT SPECIFIED
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

IR3821MPBF 数据手册

  
PD-xxxxx  
IR3821AMPbF  
TM  
SupIRBuck  
HIGHLY INTEGRATED 9A  
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR  
Features  
Description  
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Wide Input Voltage Range 2.5V to 21V  
Wide Output Voltage Range 0.6V to 12V  
Continuous 9A Load Capability  
300kHz High Frequency Operation  
Programmable Over-Current Protection  
Programmable PGood Output  
Hiccup Current Limit  
The IR3821A SupIRBuckTM is an easy-to-use,  
fully integrated and highly efficient DC/DC  
regulator. The onboard switching controller and  
MOSFETs make the IR3821A a space-efficient  
solution, providing accurate power delivery for  
low output voltage applications.  
Precision Reference Voltage (0.6V)  
Programmable Soft-Start  
The IR3821A operates from a 4.5V to 14V input  
supply and generates an output voltage  
adjustable from 0.6V to 0.75*Vin at loads up to 9A.  
Pre-Bias Start-up  
Thermal Protection  
A versatile regulator offering programmability of  
startup time, power good threshold and current  
limit, the IR3821A’s fixed 300kHz switching  
frequency allows the use of small external  
components.  
Thermally Enhanced Package  
Small Size 5mmx6mm QFN  
Pb-Free (RoHS Compliant)  
Applications  
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Distributed Point-of-Loads  
Server and Workstations  
Embedded Systems  
The IR3821A also features important protection  
functions, such as Pre-Bias startup, hiccup  
current limit and thermal shutdown to provide the  
required system level security in the event of fault  
conditions.  
Storage Systems  
DDR Applications  
Graphics Cards  
Game Consoles  
Computing Peripheral Voltage Regulators  
Fig. 1. Typical application diagram  
11/28/07  
1
1

中文翻译

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