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LP3961ET-1.8/NOPB PDF预览

LP3961ET-1.8/NOPB

更新时间： 2024-11-23 15:42:27
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
32页 2981K
描述
1.8V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PZFM5, TO-220, 5 PIN

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LP3961ET-1.8/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SFM
包装说明：TO-220, ZIP5,.15,.17,67TB针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.66
可调性：FIXED最大回动电压 1：0.7 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：2.5 V
JESD-30 代码：R-PZFM-T5JESD-609代码：e3
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 1：1.854 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-220
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：ZIG-ZAG
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

LP3961ET-1.8/NOPB 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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