LP3984 datasheet(1/8 Pages) POWER

tên linh kiện	LP3984

Giải thích chi tiết về linh kiện	300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator

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Preliminary Datasheet

LP3984

LP3984 – 01 Ver. 1.1 Datasheet

Jul.-2008

Page 1 of 8

300mA,Ultra-low noise, Small Package

Ultra-Fast CMOS LDO Regulator

General Description

The LP3984 is designed for portable RF and

wireless applications with demanding performance

and space requirements. The LP3984 performance

is optimized for battery-powered systems to deliver

ultra low noise and low quiescent current. A noise

bypass pin is available for further reduction of

output noise. Regulator ground current increases

only slightly in dropout, further prolonging the

battery life. The LP3984 also works with low-ESR

ceramic capacitors, reducing the amount of board

space necessary for power applications, critical in

hand-held wireless devices. The LP3984 consumes

less than 0.01µA 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. Available in the 5-lead of

SOT23-5 packages.

Ordering Information

LP3984 - □ □ □ □

□

F: Pb-Free

Package Type

B5: SOT23-5

Output Voltage Type

12: 1.2V

15: 1.5V

18: 1.8V

25: 2.5V

28: 2.8V

2H: 2.85V

30: 3.0V

33: 3.3V

Typical Application Circuit

Features

Ultra-Low-Noise for RF Application

2V- 6.5V Input Voltage Range

Low Dropout : 220mV @ 300mA

1.2V, 1.5V, 1.8V, 2.5V, 2.8V 3.0V and 3.3V Fixed

300mA Output Current, 550mA Peak Current

High PSSR:-73dB at 1KHz 

< 0.01uA Standby Current When Shutdown

Available in SOT23-5 Package 　

TTL-Logic-Controlled Shutdown Input

Ultra-Fast Response in Line/Load transient

Current Limiting and Thermal Shutdown

Protection

Quick start-up (typically 50uS)

Applications

Portable Media Players/MP3 players

Cellular and Smart mobile phone

LCD

DSC Sensor

Wireless Card

Pin Configurations

Marking Information

Please see website.

SOT23-5(Top View)

Số phần tương tự - LP3984

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LP3984	293Kb / 11P	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package
Texas Instruments	LP3984	1Mb / 19P	Micropower 150 mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature
National Semiconductor ...	LP3984IBP-1.5	293Kb / 11P	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package
	LP3984IBP-1.8	293Kb / 11P	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package
	LP3984IBP-2.0	293Kb / 11P	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package

More results

Mô tả tương tự - LP3984

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Richtek Technology Corp...	RT9193	208Kb / 12P	300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
Power IC Ltd.	PL0301	406Kb / 12P	300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
Richtek Technology Corp...	RT9193	191Kb / 14P	300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
Lowpower Semiconductor ...	LP3981	348Kb / 8P	300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator
Lowpower Semiconductor ...	LP3982	378Kb / 8P	300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator
Leshan Radio Company	LR9193	802Kb / 9P	300mA Ultra-low Noise, Ultra-Fast CMOS LDO Regulator
Leshan Radio Company	LR9198	734Kb / 12P	300mA Ultra-low Noise, Ultra-Fast CMOS LDO Regulator
Lowpower Semiconductor ...	LP3983S	511Kb / 8P	300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator
SHANGHAI BELLING CO., L...	BL9193	911Kb / 14P	300mA Ultra-low Noise, Ultra-Fast CMOS LDO Regulator
SHANGHAI BELLING CO., L...	BL9198	1Mb / 14P	300mA Ultra-low Noise, Ultra-Fast CMOS LDO Regulator

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