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SPX3940M3-2.5/TR PDF预览

SPX3940M3-2.5/TR

更新时间: 2024-11-25 02:52:15
品牌 Logo 应用领域
西伯斯 - SIPEX 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
11页 204K
描述
1A Low Dropout Voltage Regulator Fixed Output, Fast Response

SPX3940M3-2.5/TR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOT-223, 4 PINReach Compliance Code:unknown
风险等级:5.15最大回动电压 1:0.55 V
最大输入电压:16 V最小输入电压:3.5 V
JESD-30 代码:R-PDSO-G4JESD-609代码:e0
长度:6.5024 mm湿度敏感等级:1
功能数量:1端子数量:4
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 1:2.588 V
最小输出电压 1:2.412 V标称输出电压 1:2.5 V
封装主体材料:PLASTIC/EPOXY封装代码:LSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE
峰值回流温度(摄氏度):240认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:1.7 mm
表面贴装:YES端子面层:TIN LEAD
端子形式:GULL WING端子节距:2.3 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.505 mmBase Number Matches:1

SPX3940M3-2.5/TR 数据手册

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®
SPX3940  
1A Low Dropout Voltage Regulator  
Fixed Output, Fast Response  
FEATURES  
1% Output Accuracy SPX3940A  
Guaranteed 1.5A Peak Current  
Low Quiescent Current  
Low Dropout Voltage of 280mV at 1A  
Extremely Tight Load and Line Regulation  
Extremely Fast Transient Response  
Reverse-battery Protection  
SPX3940  
3 Pin TO-263  
1
2
3
VOUT  
VIN  
GND  
Now Available in Lead Free Packaging  
Internal Thermal Protection  
Internal Short Circuit Current Limit  
Replacement for LM3940  
Standard SOT-223, TO-220  
and TO-263 packages  
SMPS Post-Regulator  
APPLICATIONS  
Laptop, Palmtop, and Note-  
Powering VGA & Sound Card  
Automotive Electronics  
LCD Monitors  
book Computer  
High Efficiency Linear Power  
Supplies  
Portable Instrumentation  
Constant Current Regulators  
DESCRIPTION  
Cordless Telephones  
Power PCTM Supplies  
The SPX3940 is a 1A, accurate voltage regulators with a low drop out voltage of 280mV(typical)  
at 1A. These regulators are specifically designed for low voltage applications that require a low  
dropoutvoltageandafasttransientresponse. Theyarefullyfaultprotectedagainstover-current,  
reverse battery, and positive and negative voltage transients.  
The SPX3940 is offered in 3-pin SOT-223, TO-220 & TO-263 packages. For a 3A version, refer  
to the SPX29300 data sheet.  
TYPICAL APPLICATIONS CIRCUIT  
SPX3940  
1
3
VOUT  
V
IN  
+
+
2
10µF  
6.8µF  
Figure 1. Fixed Output Linear Regulator.  
Date: 5/25/04  
SPX3940 1A Low Dropout Voltage Regulator  
© Copyright 2004 Sipex Corporation  
1

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