Datasheet > LP3980S

LP3980S

更新时间： 2024-11-16 17:02:03

品牌	Logo	应用领域
微源半导体 - LOWPOWER		/
页数	文件大小	规格书
8页	423K
描述
Shutdown,High PSRR,Large current,High Accuracy

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LP3980S 数据手册

Preliminary Datasheet

LP3980S

500mA,Ultra-low noise, Small Package

Ultra-Fast CMOS LDO Regulator

General Description

Features

The LP3980S is designed for portable RF and wireless

applications demanding performance and space

requirements. The LP3980S performance is optimized

for battery-powered systems to deliver ultra low noise

and low quiescent current. Regulator ground current

increases only slightly in dropout, further prolonging

the battery life. The LP3980S also works with low-ESR

ceramic capacitors, reducing the amount of board

space necessary for power applications, critical in

hand-held wireless devices. The LP3980S consumes

less than 0.03µA in shutdown mode and has fast

turn-on time less than 50µs. The other features include

ultra low dropout voltage, high output accuracy,

current limiting protection, and high ripple rejection

ratio.

 1.6V- 5.5V Input Voltage Range

 Low Dropout : 240mV @ 300mA

 500mA Output Current

 High PSRR: -76dB at 1KHz

 ＜1uA Standby Current When Shutdown

 Ultra-Fast Response in Line/Load transient

 Current Limiting

 Thermal Shutdown Protection

 Available in SOT23-5 Package

Order Information

LP3980S

F: Pb-Free

Applications

Package Type

B5 : SOT23-5



Portable Media Players/MP3 players

Cellular and Smart mobile phone

LCD

Output Voltage Type

: 3.3V

DSC Sensor

Marking Information

Device

Marking

LP3980

33YWX

Shipping

3K/REEL

Wireless Card

LP3980S-33B5F

Marking indication:

Y:Year code .W: W is week code. X: X is series number.

LP3980S-02

Sep.-2021

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

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