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SPX2951ACS-L-3.0

更新时间： 2024-11-28 14:36:03
品牌 Logo 应用领域
艾科嘉 - EXAR 光电二极管输出元件调节器
页数 文件大小 规格书
12页 258K
描述
Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.5V Dropout, PDSO8, PLASTIC, SOIC-8

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SPX2951ACS-L-3.0 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.68
Is Samacsys：N最大回动电压 1：0.5 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
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 1：0.15 A最大输出电压 1：29 V
最小输出电压 1：1.24 V标称输出电压 1：3 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）：260认证状态：Not Qualified
调节器类型：FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：1.75 mm
表面贴装：YES端子面层：MATTE TIN
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：40
宽度：3.9 mmBase Number Matches：1

SPX2951ACS-L-3.0 数据手册

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SPX2950/SPX2951  
150mA Low Dropout Voltage Regulators  
FEATURES  
APPLICATIONS  
• 5.0V, 3.3V, and 3.0V Versions at 150mA 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  
• Avionics  
• Extremely Tight Load and Line Regulation  
• Very Low Temperature Coefficient  
• Needs Only 1µF for Stability  
• Current & Thermal Limiting  
• Unregulated DC Input can Withstand -20V Reverse Battery  
and +60V Positive Transients  
• Automotive Electronics  
• SMPS Post-Regulator  
• Similar Replacement With Higher IOUT for LP2950/LP2951 Sockets  
• Voltage Reference  
SPX2951 Versions Only  
• Error Flag Warns of Output Dropout  
• Logic-Controlled Electronic Shutdown  
• Output Programmable From 1.24V to 29V  
PRODUCT DESCRIPTION  
The SPX2950 and SPX2951 are low power voltage regulators. These devices are an excellent choice for use in battery-powered  
applications such as cordless telephones, radio control systems, and portable computers. The SPX2950 and SPX2951 feature very low  
quiescent current and very low dropout voltage (Typ. 50mV at light load and 380mV at 100mA). This include a tight initial tolerance  
of 0.5% typ., extremely good load and line regulation of 0.05% typ. and very low output temperature coefficient, making the  
SPX2950/SPX2951 useful as a low-power voltage reference. Other key additional features of this device includes higher output  
current (150mA), positive transient protection up to 60V (Load dump), and the ability to survive an unregulated input voltage transient  
of -20V below ground (reverse battery).  
The error flag output feature is used as power-on reset for warning of a low output voltage, due to falling voltage input of batteries.  
Another feature is the logic-compatible shutdown input which enables the regulator to be switched ON and OFF. The SPX2950 is  
offered in a 3-Pin TO-92 package compatible with other 5V regulators. The SPX2951 is also available in 8-Pin Plastic, SO-8 and  
TO-99 metal can packages.  
The regulator output voltage may be pin-strapped for a 5V, 3.3V and 3.0V or programmed from 1.24V to 29V with an external pair of  
resistors. Look for SPX2954 for 250mA and SPX2955 for 350mA.  
PIN CONNECTIONS  
8-Pin Surface Mount  
TO-92 (N)  
1
OUTPUT  
SENSE  
8
7
INPUT  
1
2
3
2
FEEDBACK  
SPX2951  
3
SHUTDOWN  
6
5
5V or 3.3V TAP  
ERROR  
4
GROUND  
VIN  
VOUT  
GND  
Top View  
Bottom View  
Rev. 10/30/00  
1234567...12

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