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SPX2957AS

更新时间： 2024-11-27 22:59:15
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
9页 187K
描述
350mA Low Drop Out Voltage Regulator with Shutdown

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中文翻译

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SPX2957AS 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：PLASTIC, SOIC-8Reach Compliance Code：unknown
风险等级：5.92Is Samacsys：N
最大回动电压 1：0.5 VJESD-30 代码：R-PDSO-G8
长度：4.9 mm湿度敏感等级：1
功能数量：1端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.35 A最大输出电压 1：30 V
最小输出电压 1：1.24 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP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：1.75 mm表面贴装：YES
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

SPX2957AS 数据手册

 浏览型号SPX2957AS的Datasheet PDF文件第2页浏览型号SPX2957AS的Datasheet PDF文件第3页浏览型号SPX2957AS的Datasheet PDF文件第4页浏览型号SPX2957AS的Datasheet PDF文件第5页浏览型号SPX2957AS的Datasheet PDF文件第6页浏览型号SPX2957AS的Datasheet PDF文件第7页 
SPX2955/56/57  
350mA Low Drop Out Voltage Regulator  
with Shutdown  
(PRELIMINARY INFORMATION)  
FEATURES  
APPLICATIONS  
• Output Accuracy 5V, 3.3V@ 350mA Output  
• Very Low Quiescent Current  
• Battery Powered Systems  
• Cordless Telephones  
• Low Dropout Voltage  
• 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  
• Logic-Controlled Electronic Shutdown  
• Output Programmable From 1.24V to 29V  
• Voltage Reference  
PRODUCT DESCRIPTION  
The SPX2955/56/57 is a low power voltage regulator. This device is an excellent choice for use in battery-powered applications such  
as cordless telephones, radio control systems, and portable computers. The SPX2955/56/57 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 SPX2955/56/57 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 SPX2955/56/57 is  
offered in 3-pin and 5-pin TO-220 package compatible with other 5 volt and adjustable regulators, in 8-Pin Plastic Dip SO-8 (same pin  
out as SPX2951) and surface mount TO-263 packages.  
The regulator output voltage (of the 8-pin package and 5-pin TO-220 & TO-263) may be pin-strapped for a 5V and 3.3V or  
programmed from 1.24V to 29V with an external pair of resistors. Look for SPX2951 for 150mA and SPX2954 for 250mA  
applications.  
PIN CONNECTIONS  
TO-220-3 Package  
TO-263-5 Package  
SPX2956/57  
TO-220-5 Package  
8-Pin Surface Mount  
3
2
1
VOUT  
GND  
VIN  
1
2
8
7
OUTPUT  
SENSE  
INPUT  
FEEDBACK  
SPX2955  
Five Lead Package Pin Functions:  
SPX2956/57  
3
4
SHUTDOWN  
6
5
Front View  
5V/ 3.3V TAP  
ERROR  
SPX2956  
SPX2957  
ADJUST  
SHUTDOWN  
GND  
GROUND  
ERROR  
INPUT  
GND  
1)  
2)  
3)  
4)  
5)  
TO-263-3 Package  
Top View  
3
2
1
VOUT  
OUTPUT  
INPUT  
1
2 3 4  
5
SPX2955  
GND  
V IN  
SHUTDOWN OUTPUT  
1 2 3 4 5  
Top View  
Top View  
Front View  
Rev. 11/21/00  
1234567...9

中文翻译

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