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LP3871EMPX-2.5/NOPB PDF预览

LP3871EMPX-2.5/NOPB

更新时间： 2024-11-23 12:19:23
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德州仪器 - TI 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
24页 1831K
描述
LP3871/LP3874 0.8A Fast Ultra Low Dropout Linear Regulators

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LP3871EMPX-2.5/NOPB 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOT-223
包装说明：SOP, SOT-223-4针数：5
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
可调性：FIXED最大回动电压 1：0.35 V
标称回动电压 1：0.24 V最大绝对输入电压：7.5 V
最大输入电压：7 V最小输入电压：2.85 V
JESD-30 代码：R-PDSO-G5JESD-609代码：e3
长度：6.5 mm湿度敏感等级：1
功能数量：1输出次数：1
端子数量：5工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.8 A
最大输出电压 1：2.575 V最小输出电压 1：2.425 V
标称输出电压 1：2.5 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOT-223-4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL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：1.8 mm子类别：Other Regulators
表面贴装：YES技术：CMOS
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.5 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：3%
宽度：3.56 mmBase Number Matches：1

LP3871EMPX-2.5/NOPB 数据手册

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LP3871  
LP3874  
www.ti.com  
SNVS225G –FEBRUARY 2003–REVISED APRIL 2013  
LP3871/LP3874 0.8A Fast Ultra Low Dropout Linear Regulators  
Check for Samples: LP3871, LP3874  
1
FEATURES  
DESCRIPTION  
The LP3871/LP3874 series of fast ultra low-dropout  
linear regulators operate from a +2.5V to +7.0V input  
supply. Wide range of preset output voltage options  
are available. These ultra low dropout linear  
regulators respond very quickly to step changes in  
load, which makes them suitable for low voltage  
microprocessor applications. The LP3871/LP3874 are  
developed on a CMOS process which allows low  
quiescent current operation independent of output  
load current. This CMOS process also allows the  
LP3871/LP3874 to operate under extremely low  
dropout conditions.  
2
•
•
•
•
•
•
Ultra Low Dropout Voltage  
Low Ground Pin Current  
Load Regulation of 0.04%  
10nA Quiescent Current in Shutdown Mode  
Specified Output Current of 0.8A DC  
Available in DDPAK/TO-263, TO-220 and  
SOT-223 Packages  
•
•
•
•
•
•
Output Voltage Accuracy ±1.5%  
Error Flag Indicates Output Status  
Sense Option Improves Load Regulation  
Minimum Output Capacitor Requirements  
Overtemperature/Overcurrent Protection  
−40°C to +125°C Junction Temperature Range  
Dropout Voltage: Ultra low dropout voltage; typically  
24mV at 80mA load current and 240mV at 0.8A load  
current.  
Ground Pin Current: Typically 6mA at 0.8A load  
current.  
APPLICATIONS  
Shutdown Mode: Typically 10nA quiescent current  
when the shutdown pin is pulled low.  
•
•
•
•
•
•
•
•
Microprocessor Power Supplies  
GTL, GTL+, BTL, and SSTL Bus Terminators  
Power Supplies for DSPs  
SCSI Terminator  
Error Flag: Error flag goes low when the output  
voltage drops 10% below nominal value.  
SENSE: Sense pin improves regulation at remote  
loads.  
Post Regulators  
High Efficiency Linear Regulators  
Battery chargers  
Precision Output Voltage: Multiple output voltage  
options are available ranging from 1.8V to 5.0V with a  
ensured accuracy of ±1.5% at room temperature, and  
±3.0% over all conditions (varying line, load, and  
temperature).  
Other Battery Powered Applications  
TYPICAL APPLICATION CIRCUITS  
VOUT  
INPUT  
3.3 V  
V
VOUT  
LP3871-2.5  
SD SENSE  
GND  
IN  
2.5V, 0.8A  
CIN  
10 µF  
+
COUT  
10 µF  
SD*  
ERROR*  
*SD and ERROR pins must be pulled high through a 10kΩ pull-up resistor. Connect the ERROR pin to ground if this  
function is not used. See application hints for more information.  
VOUT  
INPUT  
3.3 V ± 10%  
VIN  
LP3874-2.5  
SD SENSE  
GND  
VOUT  
+
2.5V, 0.8A  
CIN  
10 µF  
COUT  
10 µF  
SD*  
*SD must be pulled high through a 10kΩ pull-up resistor. See application hints for more information.  
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 © 2003–2013, Texas Instruments Incorporated  
1234567...24

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LP3871EMPX-2.5/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3871EMP-2.5/NOPB TI

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