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LP3874EMP-3.3/NOPB PDF预览

LP3874EMP-3.3/NOPB

更新时间： 2024-11-23 12:19:23
品牌 Logo 应用领域
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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LP3874EMP-3.3/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active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：8542.39.00.01Factory Lead Time：1 week
风险等级：0.87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：3.65 VJESD-30 代码：R-PDSO-G5
JESD-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
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流 1：0.8 A最大输出电压 1：3.399 V
最小输出电压 1：3.201 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：SOT-223-4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TR
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 mm
Base Number Matches：1

LP3874EMP-3.3/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  
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LP3874EMP-3.3/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3874EMP-3.3 TI

完全替代

 LP3871/LP3874 0.8A Fast Ultra Low Dropout Linear Regulators
LP3965EMP-3.3/NOPB TI

类似代替

 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-3.3/NOPB TI

类似代替

 LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators

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 		具有使能功能的 800mA、7V、可调节低压降稳压器 | NDC | 5 | -40 to
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