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LP3982IMMX-2.5 PDF预览

LP3982IMMX-2.5

更新时间： 2024-09-28 12:19:07
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
23页 950K
描述
LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300 mA CMOS Regulator

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LP3982IMMX-2.5 数据手册

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LP3982  
www.ti.com  
SNVS185D –FEBRUARY 2002–REVISED APRIL 2013  
LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300 mA CMOS Regulator  
Check for Samples: LP3982  
1
FEATURES  
DESCRIPTION  
The LP3982 low-dropout (LDO) CMOS linear  
regulator is available in 1.8V, 2.5V, 2.77V, 2.82V,  
3.0V, 3.3V, and adjustable versions. They deliver 300  
mA of output current. Packaged in an 8-Pin VSSOP,  
the LP3982 is pin and package compatible with  
Maxim's MAX8860. The LM3982 is also available in  
the small footprint WSON package.  
2
•
MAX8860 Pin, Package and Spec. Compatible  
WSON Space Saving Package  
300 mA Output Current  
•
•
•
•
•
•
•
•
•
•
120 mV Typical Dropout @ 300 mA  
90 μA Typical Quiescent Current  
1 nA Typical Shutdown Mode  
60 dB Typical PSRR  
The LP3982 suits battery-powered applications  
because of its shutdown mode (1nA typ), low  
quiescent current (90 μA typ), and LDO voltage (120  
mV typ). The low dropout voltage allows for more  
utilization of a battery’s available energy by operating  
closer to its end-of-life voltage. The LP3982's PMOS  
output transistor consumes relatively no drive current  
compared to PNP LDO regulators.  
2.5V to 6V Input Range  
120μs Typical Turn-on Time  
Stable with Small Ceramic Output Capacitors  
37 μV RMS Output Voltage Noise (10 Hz to 100  
kHz)  
•
•
Over-Temperature/Over-Current Protection  
±2% Output Voltage Tolerance  
This PMOS regulator is stable with small ceramic  
capacitive loads (2.2 μF typ).  
These devices also include regulation fault detection,  
a bandgap voltage reference, constant current limiting  
and thermal overload protection.  
APPLICATIONS  
•
•
•
•
Wireless Handsets  
DSP Core Power  
Battery Powered Electronics  
Portable Information Appliances  
Application Circuit  
V
O
V
IN  
OUT  
IN  
2.2PF  
2.2PF  
CERAMIC  
100k  
SHDN  
FAULT  
CC  
GND  
33n  
F
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.  
All trademarks are the property of their respective owners.  
2
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 © 2002–2013, Texas Instruments Incorporated  
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LP3982IMMX-2.5 替代型号

型号 品牌 替代类型 描述 数据表
LP3982IMMX-2.5/NOPB TI

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