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LP2951ACD-3.3 PDF预览

LP2951ACD-3.3

更新时间： 2024-11-25 22:29:07
品牌 Logo 应用领域
安森美 - ONSEMI 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
16页 291K
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Micropower Voltage Regulators

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LP2951ACD-3.3 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.06Is Samacsys：N
可调性：FIXED/ADJUSTABLE最大回动电压 1：0.45 V
标称回动电压 1：0.35 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：4.3 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm最大电网调整率：0.0033%
最大负载调整率：0.0033%功能数量：1
输出次数：1端子数量：8
工作温度TJ-Max：150 °C最大输出电流 1：0.1 A
最大输出电压 1：3.346 V最小输出电压 1：3.254 V
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
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）：240
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.75 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：Tin/Lead (Sn80Pb20)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：30最大电压容差：1.4%
宽度：3.9 mmBase Number Matches：1

LP2951ACD-3.3 数据手册

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The LP2950 and LP2951 are micropower voltage regulators that are  
specifically designed to maintain proper regulation with an extremely  
low input–to–output voltage differential. These devices feature a very  
low quiescent bias current of 75 µA and are capable of supplying  
output currents in excess of 100 mA. Internal current and thermal  
limiting protection is provided.  
http://onsemi.com  
The LP2951 has three additional features. The first is the Error  
Output that can be used to signal external circuitry of an out of  
regulation condition, or as a microprocessor power–on reset. The  
second feature allows the output voltage to be preset to 5.0 V, 3.3 V or  
3.0 V output (depending on the version) or programmed from 1.25 V  
to 29 V. It consists of a pinned out resistor divider along with direct  
access to the Error Amplifier feedback input. The third feature is a  
Shutdown input that allows a logic level signal to turn–off or turn–on  
the regulator output.  
TO–92  
Z SUFFIX  
CASE 29  
Pin: 1. Output  
2. Ground  
3. Input  
1
2
3
DPAK  
DT SUFFIX  
CASE 369A  
1
3
Due to the low input–to–output voltage differential and bias current  
specifications, these devices are ideally suited for battery powered  
computer, consumer, and industrial equipment where an extension of  
useful battery life is desirable. The LP2950 is available in the three  
pin case 29 and DPAK packages, and the LP2951 is available in the  
eight pin dual–in–line, SO–8 and Micro–8 surface mount packages.  
The ‘A’ suffix devices feature an initial output voltage tolerance  
±0.5%.  
PIN CONNECTIONS  
Pin: 1. Input  
2. Ground  
3. Output  
1
2
3
(Top View)  
Heatsink surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
LP2950 and LP2951 Features:  
• Low Quiescent Bias Current of 75 µA  
SO–8  
D SUFFIX  
CASE 751  
• Low Input–to–Output Voltage Differential of 50 mV at 100 µA and  
380 mV at 100 mA  
8
1
• 5.0 V, 3.3 V or 3.0 V ±0.5% Allows Use as a Regulator or Reference  
• Extremely Tight Line and Load Regulation  
• Requires Only a 1.0 µF Output Capacitor for Stability  
• Internal Current and Thermal Limiting  
LP2951 Additional Features:  
N SUFFIX  
CASE 626  
8
1
• Error Output Signals an Out of Regulation Condition  
• Output Programmable from 1.25 V to 29 V  
Micro–8  
DM SUFFIX  
CASE 846A  
8
• Logic Level Shutdown Input  
1
(See Following Page for Device Information.)  
PIN CONNECTIONS  
1
2
3
4
8
7
6
5
Output  
Sense  
Input  
Feedback  
Shutdown  
Gnd  
V Tap  
O
Error Output  
(Top View)  
ORDERING INFORMATION  
Seedetailedorderingandshippinginformationinthepackage  
dimensions section on page 13 of this data sheet.  
Semiconductor Components Industries, LLC, 1999  
1
Publication Order Number:  
October, 1999 – Rev. 5  
LP2950/D  
1234567...16

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LP2951ACD-3.3 替代型号

型号 品牌 替代类型 描述 数据表
LP2951CD-3.3 ONSEMI

完全替代

 Micropower Voltage Regulators

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