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LP2989AIMMX-2.5 PDF预览

LP2989AIMMX-2.5

更新时间: 2024-11-22 22:57:35
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器电容器
页数 文件大小 规格书
19页 614K
描述
Micropower/Low Noise, 500 mA Ultra Low-Dropout Regulator For Use with Ceramic Output Capacitors

LP2989AIMMX-2.5 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:MSOP-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11可调性:FIXED
最大回动电压 1:0.65 V标称回动电压 1:0.31 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:3.5 VJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
最大电网调整率:0.01%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最大输出电流 1:0.5 A
最大输出电压 1:2.5625 V最小输出电压 1:2.4 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:SQUARE封装形式:SMALL OUTLINE, THIN 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:1.09 mm子类别:Other Regulators
表面贴装:YES技术:BIPOLAR
端子面层:Tin/Lead (Sn/Pb)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:40最大电压容差:4%
宽度:3 mmBase Number Matches:1

LP2989AIMMX-2.5 数据手册

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June 2002  
LP2989  
Micropower/Low Noise, 500 mA Ultra Low-Dropout  
Regulator  
For Use with Ceramic Output Capacitors  
General Description  
Features  
n Ultra low dropout voltage  
The LP2989 is a fixed-output 500 mA precision LDO regu-  
lator designed for use with ceramic output capacitors.  
n Guaranteed 500 mA continuous output current  
n Very low output noise with external capacitor  
n SO-8, Mini SO-8, 8 Lead LLP surface mount packages  
Output noise can be reduced to 18µV (typical) by connecting  
an external 10 nF capacitor to the bypass pin.  
<
n
0.8 µA quiescent current when shutdown  
Using an optimized VIP (Vertically Integrated PNP) pro-  
cess, the LP2989 delivers superior performance:  
n Low ground pin current at all loads  
n 0.75% output voltage accuracy (“A” grade)  
n High peak current capability (800 mA typical)  
n Wide supply voltage range (16V max)  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
@
Dropout Voltage: Typically 310 mV 500 mA load, and 1  
@
mV 100 µA load.  
@
Ground Pin Current: Typically 3 mA 500 mA load, and  
@
110 µA 100 µA load.  
Sleep Mode: The LP2989 draws less than 0.8 µA quiescent  
current when shutdown pin is pulled low.  
Applications  
Error Flag: The built-in error flag goes low when the output  
drops approximately 5% below nominal.  
n Notebook/Desktop PC  
n PDA/Palmtop Computer  
n Wireless Communication Terminals  
n SMPS Post-Regulator  
Precision Output: Guaranteed output voltage accuracy is  
0.75% (“A” grade) and 1.25% (standard grade) at room  
temperature.  
<
For output voltages 2V, see LP2989LV datasheet.  
Block Diagram  
10133901  
VIP is a trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS101339  
www.national.com  

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