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LP2985-28YEUR PDF预览

LP2985-28YEUR

更新时间： 2024-11-14 03:12:07
品牌 Logo 应用领域
德州仪器 - TI 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
24页 782K
描述
150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN

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LP2985-28YEUR 技术参数

生命周期：Obsolete零件包装代码：BGA
包装说明：DSBGA-5针数：5
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.62
Is Samacsys：N最大回动电压 1：0.575 V
最大输入电压：16 V最小输入电压：2.2 V
JESD-30 代码：R-XBGA-B5长度：1.5 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 1：0.15 A最大输出电压 1：2.912 V
最小输出电压 1：2.688 V标称输出电压 1：2.8 V
封装主体材料：UNSPECIFIED封装代码：VFBGA
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：0.75 mm表面贴装：YES
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM宽度：1.2 mm
Base Number Matches：1

LP2985-28YEUR 数据手册

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LP2985  
150-mA LOW-NOISE LOW-DROPOUT REGULATOR  
WITH SHUTDOWN  
www.ti.com  
SLVS522F–JULY 2004–REVISED AUGUST 2005  
FEATURES  
PORTABLE APPLICATIONS  
•
•
•
•
•
•
Cellular Phones  
•
Output Tolerance of  
Palmtop and Laptop Computers  
Personal Digital Assistants (PDAs)  
Digital Cameras and Camcorders  
CD Players  
– 1% (A Grade)  
– 1.5% (Standard Grade)  
Ultra-Low Dropout, Typically  
– 280 mV at Full Load of 150 mA  
– 7 mV at 1 mA  
•
MP3 Players  
•
•
•
•
Wide VIN Range…16 V Max  
Low IQ . . . 850 µA at Full Load at 150 mA  
Shutdown Current . . . 0.01 µA Typ  
DBV (SOT-23) PACKAGE  
(TOP VIEW)  
1
2
3
5
4
V
GND  
V
OUT  
IN  
Low Noise . . . 30 µVRMS With 10-nF Bypass  
Capacitor  
ON/OFF  
BYPASS  
•
Stable With Low-ESR Capacitors, Including  
Ceramic  
•
•
Overcurrent and Thermal Protection  
High Peak-Current Capability  
DESCRIPTION/ORDERING INFORMATION  
The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both  
portable and nonportable applications. Available in voltages of 1.8 V, 2.8 V, 2.9 V, 3 V, 3.3 V and 5 V, the family  
has an output tolerance of 1% for the A version (1.5% for the non-A version) and is capable of delivering 150-mA  
continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are  
included.  
The LP2985 has a host of features that makes the regulator an ideal candidate for a variety of portable  
applications:  
•
•
•
•
•
•
Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-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.  
Low-ESR-capacitor friendly: The regulator is stable with low-ESR capacitors, allowing the use of small,  
inexpensive, ceramic capacitors in cost-sensitive applications.  
Low noise: A BYPASS pin allows for low-noise operation, with a typical output noise of 30 µVRMS, with the  
use of a 10-nF bypass capacitor.  
Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 package.  
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 © 2004–2005, Texas Instruments Incorporated  
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