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LP5951MF-2.8 PDF预览

LP5951MF-2.8

更新时间： 2024-11-23 12:02:47
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
26页 1154K
描述
LP5951 Micropower, 150mA Low-Dropout CMOS Voltage Regulator

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LP5951MF-2.8 数据手册

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LP5951  
www.ti.com  
SNVS345F –JUNE 2006–REVISED MAY 2013  
LP5951 Micropower, 150mA Low-Dropout CMOS Voltage Regulator  
Check for Samples: LP5951  
1
FEATURES  
DESCRIPTION  
The LP5951 regulator is designed to meet the  
requirements of portable, battery-powered systems  
2
•
•
•
•
•
•
•
•
•
•
•
Excellent Line Transient Response: ±2mV typ.  
Excellent PSRR: -60dB at 1kHz typ.  
Low Quiescent Current of 29µA typ.  
1.8 to 5.5V Input Voltage Range  
providing  
a regulated output voltage and low  
quiescent current. When switched to shutdown mode  
via a logic signal at the Enable pin, the power  
consumption is reduced to virtually zero.  
Small SC70-5 and SOT-23-5 Packages  
Fast Turn-on Time of 30µs typ.  
The LP5951 is designed to be stable with small 1µF  
ceramic capacitors.  
Typ. < 1nA Quiescent Current in Shutdown  
Ensured 150mA Output Current  
The LP5951 also features internal protection against  
short-circuit  
conditions.  
currents  
and  
over-temperature  
Output Voltage Range: 1.3V to 3.7V  
Logic Controlled Enable 0.4V/0.9V  
Performance is specified for a -40°C to 125°C  
temperature range.  
Good Load Transient Response of 50mVpp  
typ.  
The device is available in SOT-23-5 and SC70-5  
package.  
•
•
Thermal-overload and Short-circuit Protection  
-40°C to +125°C Junction Temperature Range  
The device is available in fixed output voltages in the  
range of 1.3V to 3.7V. For availability, please contact  
your local TI sales office.  
APPLICATIONS  
•
General Purpose  
Typical Application Circuit  
LP5951  
1
3
V
V
IN  
IN  
5
4
V
OUT  
NC  
1 mF  
1 mF  
Load  
Enable Control,  
active high  
V
EN  
GND  
2
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2013, Texas Instruments Incorporated  
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LP5951MF-2.8 替代型号

型号 品牌 替代类型 描述 数据表
LP5951MF-2.8/NOPB TI

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