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LP3873ET-3.3/NOPB PDF预览

LP3873ET-3.3/NOPB

更新时间： 2024-11-23 15:37:35
品牌 Logo 应用领域
德州仪器 - TI 局域网输出元件调节器
页数 文件大小 规格书
24页 2126K
描述
3.3 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSFM5

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LP3873ET-3.3/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：ZIP, ZIP5,.15,.17,67TBReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.67可调性：FIXED
最大回动电压 1：1.2 V标称回动电压 1：0.8 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：4.5 VJESD-30 代码：R-PSFM-T5
JESD-609代码：e3最大电网调整率：0.002%
最大负载调整率：0.0048%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 1：3 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：ZIP封装等效代码：ZIP5,.15,.17,67TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
包装方法：RAIL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
子类别：Other Regulators表面贴装：NO
技术：CMOS端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：1.7 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：40
最大电压容差：3%Base Number Matches：1

LP3873ET-3.3/NOPB 数据手册

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LP3873, LP3876  
www.ti.com  
SNVS220E –NOVEMBER 2002–REVISED APRIL 2013  
LP3873/LP3876 3A Fast Ultra Low Dropout Linear Regulators  
Check for Samples: LP3873, LP3876  
1
FEATURES  
DESCRIPTION  
The LP3873/LP3876 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 LP3873/LP3876 are  
developed on a CMOS process which allows low  
quiescent current operation independent of output  
load current. This CMOS process also allows the  
LP3873/LP3876 to operate under extremely low  
dropout conditions.  
2
•
•
•
•
•
•
Ultra Low Dropout Voltage  
Low Ground Pin Current  
Load Regulation of 0.08%  
1µA Quiescent Current in Shutdown Mode  
Ensured Output Current of 3A DC  
Available in DDPAK/TO-263 and TO-220  
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  
80mV at 300mA load current and 800mV at 3A load  
current.  
Ground Pin Current: Typically 6mA at 3A load  
current.  
APPLICATIONS  
Shutdown Mode: Typically 1µA 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  
an 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  
*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.  
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 © 2002–2013, Texas Instruments Incorporated  
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