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LP2988AIM-2.7 PDF预览

LP2988AIM-2.7

更新时间: 2024-02-01 05:05:50
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
24页 562K
描述
Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset Delay; Low Noise Version Available (LP2988)

LP2988AIM-2.7 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.65
最大回动电压 1:0.35 V最大输入电压:16 V
最小输入电压:3.7 VJESD-30 代码:R-PDSO-G8
长度:4.9 mm功能数量:1
端子数量:8工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最大输出电流 1:0.2 A
最大输出电压 1:2.7486 V最小输出电压 1:2.6514 V
标称输出电压 1:2.7 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP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:1.75 mm表面贴装:YES
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

LP2988AIM-2.7 数据手册

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February 2002  
LP2987/LP2988  
Micropower, 200 mA Ultra Low-Dropout Voltage  
Regulator with Programmable Power-On Reset Delay;  
Low Noise Version Available (LP2988)  
General Description  
The LP2987/8 are fixed-output 200 mA precision LDO volt-  
age regulators with power-ON reset delay which can be  
implemented using a single external capacitor.  
Features  
n Ultra low dropout voltage  
n Power-ON reset delay requires only one component  
n Bypass pin for reduced output noise (LP2988)  
n Guaranteed continuous output current 200 mA  
n Guaranteed peak output current 250 mA  
n SO-8 and mini SO-8 surface mount packages  
The LP2988 is specifically designed for noise-critical appli-  
cations. A single external capacitor connected to the Bypass  
pin reduces regulator output noise.  
>
Using an optimized VIP (Vertically Integrated PNP) pro-  
<
n
2 µA quiescent current when shutdown  
cess, these regulators deliver superior performance:  
n Low ground pin current at all loads  
@
@
Dropout Voltage: 180 mV 200 mA load, and 1 mV 1 mA  
load (typical).  
n 0.5% output voltage accuracy (“A” grade)  
n Wide supply voltage range (16V max)  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
@
@
Ground Pin Current: 1 mA 200 mA load, and 200 µA  
10 mA load (typical).  
Sleep Mode: The LP2987/8 draws less than 2 µA quiescent  
current when shutdown pin is held low.  
Applications  
Error Flag/Reset: The error flag goes low when the output  
drops approximately 5% below nominal. This pin also pro-  
vides a power-ON reset signal if a capacitor is connected to  
the DELAY pin.  
n Cellular Phone  
n Palmtop/Laptop Computer  
n Camcorder, Personal Stereo, Camera  
Precision Output: Standard product versions of the LP2987  
and LP2988 are available with output voltages of 5.0V, 3.8V,  
3.3V, 3.2V, 3.0V, or 2.8V, with guaranteed accuracy of 0.5%  
(“A” grade) and 1% (standard grade) at room temperature.  
Block Diagrams  
10001701  
10001702  
VIP is a trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS100017  
www.national.com  

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