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SPX3940AT-L-1-8 PDF预览

SPX3940AT-L-1-8

更新时间: 2024-02-07 02:16:20
品牌 Logo 应用领域
艾科嘉 - EXAR 稳压器调节器输出元件
页数 文件大小 规格书
11页 1364K
描述
1A Low Dropout Voltage Regulator

SPX3940AT-L-1-8 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:LEAD FREE, TO-263AA, TO-263, 3 PINReach Compliance Code:unknown
风险等级:5.64最大输入电压:16 V
最小输入电压:2.8 VJESD-30 代码:R-PSSO-G3
JESD-609代码:e3长度:10.16 mm
湿度敏感等级:3功能数量:1
端子数量:3工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最大输出电流 1:1 A
最大输出电压 1:1.845 V最小输出电压 1:1.755 V
标称输出电压 1:1.8 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):245
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:5.08 mm表面贴装:YES
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:2.54 mm端子位置:SINGLE
处于峰值回流温度下的最长时间:40宽度:8.965 mm
Base Number Matches:1

SPX3940AT-L-1-8 数据手册

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SPX3940  
1A Low Dropout Voltage Regulator  
February 2012  
Rev. 1.0.0  
GENERAL DESCRIPTION  
APPLICATIONS  
The SPX3940 is a 1A, accurate voltage  
regulator with a low drop out voltage of  
280mV (typical) at 1A.  
ñ Power Supplies  
ñ LCD Monitors  
ñ Portable Instrumentation  
ñ Medical and Industrial Equipments  
These regulators are specifically designed for  
low voltage applications that require a low  
dropout voltage and a fast transient response.  
They are fully fault protected against over-  
current, reverse battery, and positive and  
negative voltage transients.  
FEATURES  
ñ Guaranteed 1.5A Peak Current  
ñ 1% Output Accuracy SPX3940A  
ñ Low Quiescent Current  
The SPX3940 is offered in 3-pin SOT223 and  
TO-263 packages. For a 3A version, refer to  
the SPX29300 data sheet.  
ñ Low Dropout Voltage of 280mV at 1A  
ñ Extremely Tight Load and Line  
Regulation  
ñ Extremely Fast Transient Response  
ñ Reverse-battery Protection  
ñ Internal Thermal Protection  
ñ Internal Short Circuit Current Limit  
ñ Replacement for LM3940  
ñ Standard SOT223 & TO-263 packages  
TYPICAL APPLICATION DIAGRAM  
Fig. 1: SPX3940 Application Diagram Fixed Output Linear Regulator  
Exar Corporation  
48720 Kato Road, Fremont CA 94538, USA  
www.exar.com  
Tel. +1 510 668-7000 Fax. +1 510 668-7001  

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