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SPX3940AT

更新时间： 2024-11-24 22:50:11
品牌 Logo 应用领域
西伯斯 - SIPEX 稳压器
页数 文件大小 规格书
7页 171K
描述
1A Low Drop Out Voltage Regulator

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中文翻译

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SPX3940AT 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TO-263, 5 PINReach Compliance Code：unknown
风险等级：5.7最大回动电压 1：0.2 V
JESD-30 代码：R-PSSO-G5JESD-609代码：e0
长度：10.287 mm湿度敏感等级：3
功能数量：1端子数量：5
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 1：29 V
最小输出电压 1：1.24 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）：225
认证状态：Not Qualified调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：4.6 mm表面贴装：YES
端子面层：TIN LEAD端子形式：GULL WING
端子节距：1.7 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：30宽度：9.04 mm
Base Number Matches：1

SPX3940AT 数据手册

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SPX3940/41/42  
1A Low Drop Out Voltage Regulator  
with Shutdown  
(PRELIMINARY INFORMATION)  
FEATURES  
APPLICATIONS  
• Output Accuracy 3.3V, @ 1A Output  
• Very Low Quiescent Current  
• Low Dropout Voltage  
• Battery Powered Systems  
• Cordless Telephones  
• Radio Control Systems  
• Portable/Palm Top/Notebook Computers  
• Portable Consumer Equipment  
• Portable Instrumentation  
• Automotive Electronics  
• SMPS Post-Regulator  
• Extremely Tight Load And Line Regulation  
• Very Low Temperature Coefficient  
• Current & Thermal Limiting  
• Error Flag Warns Of Output Dropout  
• Voltage Reference  
PRODUCT DESCRIPTION  
The SPX3940/41/42 is a low power voltage regulator. This device is an excellent choice for battery-powered applications such as  
cordless telephones, radio control systems and portable computers. The SPX3940/41/42 features very low quiescent current (100µA  
Typ.) and very low dropout voltage. This includes a tight initial tolerance of 1% max and 2% max., and very low output temperature  
coefficient, making the SPX3940/41/42 useful as a low-power voltage reference.  
The error flag output feature is used as power-on reset for warning of a low output voltage, due to a falling voltage input of batteries.  
Another feature is the logic-compatible shutdown input which enables the regulator to be switched on and off. The SPX3940/41/42 is  
offered in 3-pin and 5-pin TO-220 package SOT-223, and surface mount TO-263 packages.  
The regulator output voltage (of the 8-pin SO-8 and 5-pin TO-220 & TO-263) may be pin-strapped for a 3.3V or programmed from  
1.24V to 29V with an external pair of resistors.  
PIN CONNECTIONS  
SOT-223 Package  
TO-220 Package  
SPX3940  
TO-263-5 Package  
SPX3941/42  
TO-220-5 Package  
VOUT  
SPX3940  
GND/ ADJ  
VIN  
1
2
3
Five Lead Package Pin Functions:  
SPX3941/42  
SPX3941  
1) ERROR  
INPUT  
GND  
SPX3942  
ADJUST  
GND/  
ADJ  
V
V
IN  
OUT  
Front View  
SHUTDOWN  
2)  
3)  
4)  
5)  
Front View  
TO-252 Package  
GND  
OUTPUT  
INPUT  
1
2 3 4  
5
TO-263Package  
SHUTDOWN OUTPUT  
Top View  
1 2 3 4 5  
3
2
1
VOUT  
3
2
1
VOUT  
Top View  
ADJ/GND  
VIN  
GND/ ADJ  
V IN  
Front View  
Front View  
Rev. 12/19/00  
1234567

中文翻译

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