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LP2951CDM3.0 PDF预览

LP2951CDM3.0

更新时间： 2024-02-28 03:53:47
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器光电二极管
页数 文件大小 规格书
22页 253K
描述
100 mA, Low Power Low Dropout Voltage Regulator

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LP2951CDM3.0 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：TSSOP, TSSOP8,.19Reach Compliance Code：unknown
风险等级：5.88可调性：FIXED/ADJUSTABLE
标称回动电压 1：0.35 V最大绝对输入电压：30 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
最大电网调整率：0.006%最大负载调整率：0.006%
输出次数：2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标称输出电压 1：3 V
最大输出电压 2：29 V最小输出电压 2：1.24 V
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP8,.19封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态：Not Qualified
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL最大电压容差：2.4%

LP2951CDM3.0 数据手册

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LP2950, LP2951, NCV2951  
100 mA, Low Power Low  
Dropout Voltage Regulator  
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 mA and are capable of supplying  
output currents in excess of 100 mA. Internal current and thermal  
limiting protection is provided.  
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.  
http://onsemi.com  
TO−92  
Z SUFFIX  
CASE 29  
Pin: 1. Output  
2. Ground  
3. Input  
1
1
2
2
3
3
BENT LEAD  
STRAIGHT LEAD  
BULK PACK  
TAPE & REEL  
AMMO PACK  
PIN CONNECTIONS  
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, SOIC−8 and Micro8 surface mount packages.  
The ‘A’ suffix devices feature an initial output voltage tolerance  
0.5%.  
4
Pin: 1. Input  
2
1
2. Ground  
3. Output  
3
1
2
3
DPAK  
DT SUFFIX  
CASE 369C  
(Top View)  
Heatsink surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
Features  
Low Quiescent Bias Current of 75 mA  
SOIC−8  
Low Input−to−Output Voltage Differential of 50 mV at 100 mA and  
380 mV at 100 mA  
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 mF Output Capacitor for Stability  
Internal Current and Thermal Limiting  
D SUFFIX  
CASE 751  
8
1
1
PDIP−8  
N SUFFIX  
CASE 626  
8
Micro8E  
DM SUFFIX  
CASE 846A  
NCV Prefix for Automotive and Other Applications Requiring  
Unique Site and Control Change Requirements; AEC−Q100  
Qualified and PPAP Capable  
8
1
These Devices are Pb−Free and RoHS Compliant  
PIN CONNECTIONS  
1
2
3
4
8
7
6
5
Output  
Sense  
Input  
LP2951 Additional Features  
Feedback  
Error Output Signals an Out of Regulation Condition  
Output Programmable from 1.25 V to 29 V  
Logic Level Shutdown Input  
Shutdown  
GND  
V
O
Tap  
Error Output  
(See Following Page for Device Information.)  
(Top View)  
ORDERING & MARKING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on pages 14 and 15 of this data sheet.  
See general marking information in the device marking  
section on page 17 of this data sheet.  
Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
April, 2013 − Rev. 26  
LP2950/D  
1234567...22

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