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SPX3942R PDF预览

SPX3942R

更新时间: 2024-09-29 22:50:11
品牌 Logo 应用领域
西伯斯 - SIPEX 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
7页 171K
描述
1A Low Drop Out Voltage Regulator

SPX3942R 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TO-252, 5 PINReach Compliance Code:unknown
风险等级:5.78Is Samacsys:N
最大回动电压 1:0.2 VJESD-30 代码:R-PSSO-G4
JESD-609代码:e0长度:6.5 mm
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 1:29 V
最小输出电压 1:1.24 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-252封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT APPLICABLE
认证状态:Not Qualified调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:2.5 mm表面贴装:YES
端子面层:TIN LEAD端子形式:GULL WING
端子节距:1.27 mm端子位置:SINGLE
处于峰值回流温度下的最长时间:NOT APPLICABLE宽度:5.5 mm
Base Number Matches:1

SPX3942R 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  

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