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LP2951ACS-L-3.3 PDF预览

LP2951ACS-L-3.3

更新时间: 2024-11-10 19:00:19
品牌 Logo 应用领域
艾科嘉 - EXAR 光电二极管
页数 文件大小 规格书
2页 29K
描述
Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.45V Dropout, BIPolar, PDSO8, SOIC-8

LP2951ACS-L-3.3 技术参数

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:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.62最大回动电压 1:0.45 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 1:0.1 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 1:3.3 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技术:BIPOLAR
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 mm
Base Number Matches:1

LP2951ACS-L-3.3 数据手册

 浏览型号LP2951ACS-L-3.3的Datasheet PDF文件第2页 
®
LP2950/LP2951  
100 mA Low Dropout Voltage Regulators  
features  
description  
The 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 com-  
puters. The LP2950 and LP2951 feature low quiescent current and  
low dropout voltage (typ. 50mV at light load and 380 mV 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.  
Guaranteed 100mA Output  
Current  
5.0V and 3.3V Versions @  
100mA Output  
Very Low Quiescent Current  
Low Dropout Voltage: 380mV  
at 100mA  
Extremely Tight Load and Line  
Regulation  
The error flag output feature is used as a power-on reset for warning  
of a low output voltage, due to a falling input voltage. The logic-com-  
patible shutdown feature 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 available in an 8-lead  
SOIC package.  
Very Low Temperature  
P
Coefficient  
Current & Thermal Limiting  
Need Only 1µF for Stability  
LP2951 versions only  
Error Flag Warns of Output  
Dropout  
typical application circuits  
Adjustable Regulator  
Logic-Controlled Electronic  
Shutdown  
+VIN  
Output Programmable From  
1.24 to 29V  
100K  
8
+VIN  
______  
ERROR  
ERROR  
5
Offered in TO-92 (LP2950) &  
1.2 to 30V  
1
OUTPUT  
VOUT  
SOIC (LP2951)  
LP2951  
+
3
R1  
SHUTDOWN  
INPUT  
3.3uF  
SD  
.01uF  
applications  
FB  
GND  
7
4
1.23V  
VREF  
Battery Powered Systems  
Cordless Telephones  
Radio Control Systems  
R2  
Latch Off When Error Flag Occurs  
+V IN  
Portable/Palm Top/Notebook  
Computers  
470k  
8
..  
Portable Consumer Equipment  
Portable Instrumentation  
SMPS Post-Regulator  
Voltage Reference  
+V IN  
______  
ERROR  
5
VOUT  
1
470kΩ  
VOUT  
..  
LP2951  
+
3
R1  
1uF  
SD  
FB  
7
GND  
4
RESET  
Automotive Electronics  
R2  
2002 Short Form Catalog  
P-11  
© Copyright 2001 Sipex Corporation  

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