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LP2950CDT-5.0/NOPB PDF预览

LP2950CDT-5.0/NOPB

更新时间： 2024-11-22 20:16:27
品牌 Logo 应用领域
美国国家半导体 - NSC 输出元件调节器
页数 文件大小 规格书
26页 581K
描述
IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSSO2, TO-252, DPAK-3/2, Fixed Positive Single Output LDO Regulator

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LP2950CDT-5.0/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TO-252, SMSIP3H,.38,90TBReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.06可调性：FIXED
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 V最大输入电压：30 V
最小输入电压：6 VJESD-30 代码：R-PSSO-G2
JESD-609代码：e3长度：6.58 mm
最大电网调整率：0.02%最大负载调整率：0.015%
湿度敏感等级：2功能数量：1
输出次数：1端子数量：2
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 1：5.1 V
最小输出电压 1：4.9 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-252
封装等效代码：SMSIP3H,.38,90TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：RAIL
峰值回流温度（摄氏度）：260认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：2.38 mm
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：2.285 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：40
最大电压容差：2.4%宽度：6.1 mm
Base Number Matches：1

LP2950CDT-5.0/NOPB 数据手册

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June 17, 2009  
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-  
General Description  
The LP2950 and LP2951 are micropower voltage regulators  
with very low quiescent current (75μA typ.) and very low  
dropout voltage (typ. 40mV at light loads and 380mV at  
100mA). 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.  
ence.  
Features  
5V, 3V, and 3.3V versions available  
■
■
■
■
■
■
■
■
High accuracy output voltage  
Guaranteed 100mA output current  
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, LLP, or metal can  
packages and offers additional system functions.  
Extremely low quiescent current  
Low dropout voltage  
Extremely tight load and line regulation  
Very low temperature coefficient  
Use as Regulator or Reference  
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.  
Needs minimum capacitance for stability  
■
■
■
Current and Thermal Limiting  
Stable with low-ESR output capacitors (10mΩ to 6Ω)  
LP2951 versions only  
Error flag warns of output dropout  
■
■
■
Careful design of the LP2950/LP2951 has minimized all con-  
tributions to the error budget. This includes a tight initial  
tolerance (.5% typ.), extremely good load and line regulation  
Logic-controlled electronic shutdown  
Output programmable from 1.24 to 29V  
Block Diagram and Typical Applications  
LP2950  
LP2951  
854625  
854601  
© 2009 National Semiconductor Corporation  
8546  
www.national.com  
1234567...26

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LP2950CDT-5.0/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
BA17812FP-E2 ROHM

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