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LP3961ESX-1.8 PDF预览

LP3961ESX-1.8

更新时间： 2024-11-23 20:58:27
品牌 Logo 应用领域
德州仪器 - TI 输出元件调节器
页数 文件大小 规格书
32页 2938K
描述
1.8V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PSSO5, TO-263, 5 PIN

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LP3961ESX-1.8 技术参数

生命周期：Obsolete零件包装代码：D2PAK
包装说明：TO-263,针数：4
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
最大回动电压 1：0.7 V最大输入电压：7 V
最小输入电压：2.5 VJESD-30 代码：R-PSSO-G5
长度：10.16 mm功能数量：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 1：1.854 V最小输出电压 1：1.746 V
标称输出电压 1：1.8 V封装主体材料：PLASTIC/EPOXY
封装代码：TO-263封装形状：RECTANGULAR
封装形式：SMALL OUTLINE调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：4.8 mm表面贴装：YES
技术：CMOS端子形式：GULL WING
端子节距：1.7 mm端子位置：SINGLE
宽度：8.64 mmBase Number Matches：1

LP3961ESX-1.8 数据手册

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LP3961, LP3964  
www.ti.com  
SNVS056H –MAY 2000–REVISED APRIL 2013  
LP3961/LP3964 800mA Fast Ultra Low Dropout Linear Regulators  
Check for Samples: LP3961, LP3964  
1
FEATURES  
DESCRIPTION  
The LP3961/LP3964 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 fast to step changes in load  
which makes them suitable for low voltage  
microprocessor applications. The LP3961/LP3964 are  
developed on a CMOS process which allows low  
quiescent current operation independent of output  
load current. This CMOS process also allows the  
LP3961/LP3964 to operate under extremely low  
dropout conditions.  
2
•
•
•
•
•
•
Ultra Low Dropout Voltage  
Low Ground Pin Current  
Load Regulation of 0.02%  
15µA Quiescent Current in Shutdown Mode  
Specified Output Current of 0.8A DC  
Available in SOT-223, SFM/TO-263 and TO-220  
Packages  
•
•
•
Output Voltage Accuracy ± 1.5%  
Error Flag Indicates Output Status (LP3961)  
Sense Option Improves Better Load  
Regulation (LP3964)  
Dropout Voltage: Ultra low dropout voltage; typically  
24mV at 80mA load current and 240mV at 800mA  
load current.  
•
Extremely Low Output Capacitor  
Requirements  
Ground Pin Current: Typically 4mA at 800mA load  
current.  
•
•
Overtemperature/Overcurrent Protection  
−40°C to +125°C Junction Temperature Range  
Shutdown Mode: Typically 15µA quiescent current  
when the shutdown pin is pulled low.  
APPLICATIONS  
Error Flag:Error flag goes low when the output  
voltage drops 10% below nominal value (for LP3961).  
•
•
•
•
•
•
•
•
Microprocessor Power Supplies  
GTL, GTL+, BTL, and SSTL Bus Terminators  
Power Supplies for DSPs  
SCSI Terminator  
SENSE: Sense pin improves regulation at remote  
loads. (For LP3964)  
Precision Output Voltage: Multiple output voltage  
options are available ranging from 1.2V to 5.0V and  
adjustable (LP3964), with a specified accuracy of  
±1.5% at room temperature, and ±3.0% over all  
conditions (varying line, load, and temperature).  
Post Regulators  
High Efficiency Linear Regulators  
Battery Chargers  
Other Battery Powered Applications  
Typical Application Circuits  
A. 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 © 2000–2013, Texas Instruments Incorporated  
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LP3961ESX-1.8 替代型号

型号 品牌 替代类型 描述 数据表
LP3961ES-1.8 TI

完全替代

 LP396x 800-mA Fast Ultra-Low-Dropout Linear Regulators
LP3961ES-1.8/NOPB TI

完全替代

 LP396x 800-mA Fast Ultra-Low-Dropout Linear Regulators
LP3961ES-1.8 NSC

功能相似

 800mA Fast Ultra Low Dropout Linear Regulators

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