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LP2981A-28DBVRG4 PDF预览

LP2981A-28DBVRG4

更新时间： 2024-11-15 14:34:15
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件调节器
页数 文件大小 规格书
18页 564K
描述
2.8V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PDSO5, GREEN, PLASTIC, SOT-23, 5 PIN

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LP2981A-28DBVRG4 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：SOT-23
包装说明：LSSOP, TSOP5/6,.11,37针数：5
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.14
可调性：FIXED最大回动电压 1：0.375 V
标称回动电压 1：0.2 V最大绝对输入电压：16 V
最大输入电压：16 V最小输入电压：2.2 V
JESD-30 代码：R-PDSO-G5JESD-609代码：e4
长度：2.9 mm最大电网调整率：0.0109%
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 1：0.1 A最大输出电压 1：2.87 V
最小输出电压 1：2.73 V标称输出电压 1：2.8 V
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装等效代码：TSOP5/6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH包装方法：TAPE AND REEL
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：1.45 mm
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.95 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：2.5%宽度：1.6 mm
Base Number Matches：1

LP2981A-28DBVRG4 数据手册

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LP2981  
www.ti.com ......................................................................................................................................................... SLVS521F–JULY 2004–REVISED AUGUST 2008  
100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN  
1
FEATURES  
PORTABLE APPLICATIONS  
•
•
•
•
•
Mobile Phones  
Laptops  
Personal Digital Assistants (PDAs)  
Digital Cameras and Camcorders  
CD and MP3 Players  
•
Output Tolerance of  
–
–
0.75% (A Grade)  
1.25% (Standard Grade)  
•
Ultra-Low Dropout, Typically  
–
–
200 mV at Full Load of 100 mA  
7 mV at 1 mA  
DBV (SOT-23) PACKAGE  
(TOP VIEW)  
•
•
•
•
•
•
•
Wide VIN Range…16 V Max  
Low IQ…600 µA Typ at Full Load of 100 mA  
Shutdown Current…0.01 µA Typ  
Fast Transient Response to Line and Load  
Overcurrent and Thermal Protection  
High Peak Current Capability  
VIN  
GND  
VOUT  
NC  
1
2
3
5
4
ON/OFF  
NC − No connect; must be left open  
ESD Protection Exceeds JESD 22  
–
–
2000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
DESCRIPTION/ORDERING INFORMATION  
The LP2981 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both  
portable and nonportable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an  
output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering  
100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature  
protection, are included.  
The LP2981 has features that make the regulator an ideal candidate for a variety of portable applications:  
•
•
•
•
Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV at  
1-mA load.  
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably  
lower than those associated with traditional lateral PNP regulators.  
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 µA when the  
ON/OFF pin is pulled low.  
Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 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.  
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 © 2004–2008, Texas Instruments Incorporated  
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LP2981A-28DBVRG4 替代型号

型号 品牌 替代类型 描述 数据表
LP2981-28DBVTE4 TI

完全替代

 100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-28DBVRE4 TI

完全替代

 100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN

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