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LP2951CJ PDF预览

LP2951CJ

更新时间: 2024-02-26 01:53:31
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER /
页数 文件大小 规格书
28页 789K
描述
Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.6V Dropout, BIPolar, CDIP8, CERAMIC, DIP-8

LP2951CJ 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP8,.3Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.69可调性:FIXED/ADJUSTABLE
最大回动电压 1:0.6 V标称回动电压 1:0.38 V
最大绝对输入电压:30 VJESD-30 代码:R-GDIP-T8
JESD-609代码:e0最大电网调整率:0.02%
最大负载调整率:0.015%功能数量:1
输出次数: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 1:5 V
封装主体材料:CERAMIC, GLASS-SEALED封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified调节器类型:FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:5.08 mm子类别:Other Regulators
表面贴装:NO技术:BIPOLAR
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED最大电压容差:2.4%
宽度:7.62 mmBase Number Matches:1

LP2951CJ 数据手册

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July 2000  
LP2950/LP2951  
Series of Adjustable Micropower Voltage Regulators  
(.05% typ.) and a very low output voltage temperature coef-  
ficient, making the part useful as a low-power voltage refer-  
ence.  
General Description  
The LP2950 and LP2951 are micropower voltage regulators  
with very low quiescent current (75 µA typ.) and very low  
dropout voltage (typ. 40 mV at light loads and 380 mV at  
100 mA). They are ideally suited for use in battery-powered  
systems. Furthermore, the quiescent current of the LP2950/  
LP2951 increases only slightly in dropout, prolonging battery  
life.  
Features  
n 5V, 3V, and 3.3V versions available  
n High accuracy output voltage  
n Guaranteed 100 mA output current  
n Extremely low quiescent current  
n Low dropout voltage  
The LP2950-5.0 is available in the surface-mount D-Pak  
package, and in the popular 3-pin TO-92 package for  
pin-compatibility with older 5V regulators. The 8-lead  
LP2951 is available in plastic, ceramic dual-in-line, or metal  
can packages and offers additional system functions.  
n Extremely tight load and line regulation  
n Very low temperature coefficient  
n Use as Regulator or Reference  
n Needs minimum capacitance for stability  
n Current and Thermal Limiting  
n Stable with low-ESR output capacitors  
One such feature is an error flag output which warns of a low  
output voltage, often due to falling batteries on the input. It  
may be used for a power-on reset. A second feature is the  
logic-compatible shutdown input which enables the regulator  
to be switched on and off. Also, the part may be pin-strapped  
for a 5V, 3V, or 3.3V output (depending on the version), or  
programmed from 1.24V to 29V with an external pair of re-  
sistors.  
LP2951 versions only  
n Error flag warns of output dropout  
n Logic-controlled electronic shutdown  
n Output programmable from 1.24 to 29V  
Careful design of the LP2950/LP2951 has minimized all con-  
tributions to the error budget. This includes a tight initial tol-  
erance (.5% typ.), extremely good load and line regulation  
Block Diagram and Typical Applications  
LP2950  
LP2951  
DS008546-25  
DS008546-1  
© 2000 National Semiconductor Corporation  
DS008546  
www.national.com  

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