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LP3981IMM-2.5/NOPB PDF预览

LP3981IMM-2.5/NOPB

更新时间： 2024-11-15 13:09:27
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
21页 1065K
描述
300-mA, high-accuracy, low-dropout voltage regulator with enable 8-VSSOP -40 to 125

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LP3981IMM-2.5/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：MSOP
包装说明：VSSOP-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.72Is Samacsys：N
可调性：FIXED最大回动电压 1：0.2 V
标称回动电压 1：0.132 V最大绝对输入电压：6.5 V
最大输入电压：6 V最小输入电压：2.7 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：3 mm最大电网调整率：0.015%
湿度敏感等级：1功能数量：1
输出次数：1端子数量：8
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 1：0.3 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：TSSOP
封装等效代码：TSSOP8,.19封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH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：1.1 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：0.65 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 mm
Base Number Matches：1

LP3981IMM-2.5/NOPB 数据手册

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LP3981  
www.ti.com  
SNVS159G –OCTOBER 2001–REVISED MAY 2013  
LP3981 Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator  
Check for Samples: LP3981  
1
FEATURES  
APPLICATIONS  
2
•
•
Small, Space Saving VSSOP-8  
•
•
•
•
•
CDMA Cellular Handsets  
Low Thermal Resistance in WSON-6 Package  
Gives Excellent Power Capability  
Wideband CDMA Cellular Handsets  
GSM Cellular Handsets  
•
•
Logic Controlled Enable  
Portable Information Appliances  
Tiny 3.3V ± 5% to 2.5V, 300mA Converter  
Stable with Ceramic and High Quality  
Tantalum Capacitors  
•
•
Fast Turn-On  
DESCRIPTION  
The LP3981's performance is optimized for battery  
powered systems to deliver ultra low noise, extremely  
low dropout voltage and low quiescent current.  
Regulator ground current increases only slightly in  
dropout, further prolonging the battery life.  
Thermal Shutdown and Short-Circuit Current  
Limit  
KEY SPECIFICATIONS  
•
•
•
•
•
2.5 to 6.0V Input Range  
300mA Output  
Power supply rejection is better than 60 dB at low  
frequencies. This high power supply rejection is  
maintained down to lower input voltage levels  
common to battery operated circuits.  
60dB PSRR at 1kHz  
≤1μA Quiescent Current when Shut Down  
Fast Turn-On Time: 120 μs (Typ.) with CBYPASS  
= 0.01uF  
The device is ideal for mobile phone and similar  
battery powered wireless applications. It provides up  
to 300 mA, from a 2.5V to 6V input, consuming less  
than 1µA in disable mode.  
•
•
•
132mV Typ Dropout with 300mA Load  
35μVrms Output Noise over 10Hz to 100kHz  
The LP3981 is available in VSSOP-8 package. For  
LP3981 in WSON-6 package, contact TI sales offices.  
Performance is specified for −40°C to +125°C  
temperature range. The device available in the  
following output voltages; 2.5V, 2.7V, 2.8V, 2.83V,  
3.0V, 3.03V and 3.3V as standard. Other output  
options can be made available, please contact your  
local TI sales office.  
−40 to +125°C Junction Temperature Range for  
Operation  
•
2.5V, 2.7V, 2.8V, 2.83V, 3.0V, 3.03V, and 3.3V  
Outputs Standard  
Typical Application Circuit  
Note: Pin Numbers in parenthesis indicate WSON-6 package.  
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 © 2001–2013, Texas Instruments Incorporated  
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LP3981IMM-2.5/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3981IMMX-2.5/NOPB TI

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 300-mA, high-accuracy, low-dropout voltage regulator with enable 8-VSSOP -40 to 125
LP3981IMMX-2.5 TI

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 LP3981 Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator
LP3981IMM-2.5 TI

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 LP3981 Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

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