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LP2951CS-3.0 PDF预览

LP2951CS-3.0

更新时间： 2024-09-21 14:52:43
品牌 Logo 应用领域
CALOGIC 光电二极管
页数 文件大小 规格书
10页 141K
描述
Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.45V Dropout, BIPolar, PDSO8, PLASTIC, SOIC-8

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LP2951CS-3.0 技术参数

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：8542.90.00.00风险等级：5.62
最大回动电压 1：0.45 VJESD-30 代码：R-PDSO-G8
长度：4.9 mm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 1：0.1 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技术：BIPOLAR
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

LP2951CS-3.0 数据手册

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100mA Low Dropout  
Voltage Regulators  
CORPORATION  
LP2950 / LP2951  
FEATURES  
PRODUCT DESCRIPTION  
5V, 3.3V, and 3.0V Versions at 100mA Output  
Very Low Quiescent Current  
Low Dropout Voltage  
Extremely Tight Load and Line Regulation  
Very Low Temperature Coefficient  
Current and Thermal Limiting  
Needs Only 1µF for Stability  
The Calogic LP2950 and LP2951 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 LP2950  
and LP2951 features very low quiescent current and very low  
dropout voltage (Typ. 50mV at light load and 380mV at 100mA).  
This includes a tight initial tolerance of 0.5% typ., extremely  
good load and line regulation 0.05% typ. and very low output  
temperature coefficient, making the LP2950/LP2951 useful  
as a low-power voltage reference.  
•
•
•
•
•
•
•
LP2951 Versions Only  
Error Flag Warns of Output Dropout  
Logic-Controlled Electronic Shutdown  
Output Programmable from 1.24 to 29V  
•
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 LP2950 is offered in a 3-pin TO-92 package compatible  
with other 5V, 3.0V, 3.3V regulators. The LP2951 is also available  
in 8-pin plastic and SO-8.  
•
•
APPLICATIONS  
Battery Powered Systems  
Cordless Telephones  
Radio Control Systems  
Portable / Palm Top / Notebook Computers  
Portable Consumer Equipment  
Portable Instrumentation  
Avionics  
SMPS Post-Regulator  
•
•
•
The regulator output voltage may be pin-strapped for 5V, 3V  
or 3.3 volts or programmed from 1.24 volt to 29 volts with an  
external pair of resistors. Use of AS’s design, processing and  
testing techniques make our LP2950 and LP2951 superior  
over similar products.  
•
•
•
•
•
Voltage Reference  
Automotive Electronics  
•
ORDERING INFORMATION  
•
PART  
PACKAGE  
TEMPERATURE RANGE  
LP2950ACN-X  
LP2950CN-X  
LP2951ACP-X  
LP2951CP-X  
LP2951ACS-X  
LP2951CS-X  
TO-92 (3-Pin)  
TO-92 (3-Pin)  
Plastic DIP (8-Pin)  
Plastic DIP (8-Pin)  
Plastic SOIC (8-Pin)  
Plastic SOIC (8-Pin)  
IND.  
IND.  
IND.  
IND.  
IND.  
IND.  
X = 3.0V, 3.3V or 5.0V  
PIN CONNECTIONS  
8-PIN SURFACE MOUNT  
TO-92  
OUTPUT  
SENSE  
1
2
3
4
8
7
6
5
INPUT  
1
2
3
1. OUTPUT  
2. GROUND  
3. INPUT  
FEEDBACK  
5V OR 3.3V TAP  
ERROR  
LP2951  
SHUTDOWN  
GROUND  
BOTTOM VIEW  
1D-20  
TOP VIEW  
1D-19  
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025  
1234567...10

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