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LP2979IBPX-2828 PDF预览

LP2979IBPX-2828

更新时间: 2024-01-11 19:06:36
品牌 Logo 应用领域
德州仪器 - TI 输出元件调节器
页数 文件大小 规格书
9页 137K
描述
2.8V FIXED POSITIVE LDO REGULATOR, 0.32V DROPOUT, PBGA8, MICRO, SMD-8

LP2979IBPX-2828 技术参数

生命周期:Obsolete包装说明:FBGA,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
最大回动电压 1:0.32 V最大输入电压:16 V
最小输入电压:3.8 VJESD-30 代码:R-PBGA-B8
长度:1.946 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 1:0.15 A
最大输出电压 1:2.884 V最小输出电压 1:2.716 V
标称输出电压 1:2.8 V封装主体材料:PLASTIC/EPOXY
封装代码:FBGA封装形状:RECTANGULAR
封装形式:GRID ARRAY, FINE PITCH认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR表面贴装:YES
端子形式:BALL端子节距:0.5 mm
端子位置:BOTTOM宽度:1.412 mm
Base Number Matches:1

LP2979IBPX-2828 数据手册

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December 1999  
LP2979  
Micro-power Ultra Low-Dropout Regulator in micro SMD  
Package  
General Description  
The LP2979 is a 150 mA, fixed output voltage regulator de-  
signed to provide ultra low-dropout and low noise in battery  
powered applications.  
Features  
n Ultra low dropout voltage  
n Guaranteed 150mA output current, 500 mA peak  
n Smallest possible size (micro SMD package)  
n Requires minimum external components  
n Stable with low ESR output capacitor  
Using an optimized VIP (Vertically Integrated PNP) process,  
the LP2979 delivers unequalled performance in all specifica-  
tions critical to battery powered designs:  
±
n Output voltage accuracy 1%  
Dropout Voltage: Typically 180 mV at 150 mA load, and  
5 mV at 1mA load.  
<
n
2 µA quiescent current when shut down  
n 1% output voltage accuracy  
Ground Pin Current: Typically 850 µA at 300 mA load, and  
75 µA at 1mA load.  
n Wide supply voltage range (16V max.)  
n Low ZOUT: 0.3typical (10 Hz to 1 MHz)  
n Over temperature/over current protection  
n −40˚C to +125˚C junction temperature range  
n Custom voltages available  
Enhanced Stability: The LP2979 is stable with an output  
capacitor ESR as low as 5 m, which allows the use of ce-  
ramic capacitors on the output.  
Sleep Mode: Less than 2 µA quiescent current when SD pin  
is pulled low.  
Applications  
n Cellular Phone  
Smallest Possible Size: micro SMD package uses absolute  
minimum board space.  
n Palmtop/Laptop Computer  
n Personal Digital Assistance (PDA)  
n Camcorder, Personal Stereo and Camera  
n Set top box, Game console  
Precision Output: 1% tolerance output voltages available.  
Low Noise: By adding a 10 nF bypass capacitor, output  
noise can be reduced to 30 µV (typical).  
Multiple voltage options, from 1.8V to 5.0V, are available.  
Consult factory for custom voltages.  
Block Diagram  
DS101191-1  
© 1999 National Semiconductor Corporation  
DS101191  
www.national.com  

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