Datasheet > LP5900

LP5900

更新时间： 2024-11-27 22:31:07

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器射频
页数	文件大小	规格书
10页	644K
描述
Ultra Low Noise, 100 mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor

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LP5900 数据手册

July 2005

LP5900

Ultra Low Noise, 100 mA Linear Regulator for RF/Analog

Circuits Requires No Bypass Capacitor

General Description

Key Specifications

n Input voltage range

n Output voltage range

n Output current

n Low output voltage noise

n PSRR

n Output voltage tolerance

n Virtually zero I_Q(disabled)

n Very low I_Q(enabled)

n Start-up time

2.5V to 5.5V

1.5V to 3.3V

100 mA

6.5 µV_RMS

85 dB at 1 kHz

The LP5900 is a linear regulator capable of supplying 100

mA output current. Designed to meet the requirements of

RF/Analog circuits, the LP5900 device provides low noise,

high PSRR, low quiescent current, and low line transient

response figures. Using new innovative design techniques

the LP5900 offers class-leading device noise performance

without a noise bypass capacitor.

1 µA

The device is designed to work with 0.47 µF input and output

ceramic capacitors. (No Bypass Capacitor is required)

25 µA

150 µs

80 mV typ.

This device is available with 1.5V, 1.8V, 2.0V, 2.2V, 2.5V,

2.8V, 3.0V, and 3.3V outputs. Please contact your local sales

office for any other voltage options.

n Low dropout

Package

4-Bump micro SMD

Features

1.057 mm x 1.083 mm

n Stable with 0.47 µF Ceramic Input and Output

Capacitors

(lead free)

n No Noise Bypass Capacitor Required

n Logic Controlled Enable

n Thermal-overload and short-circuit protection

n −40˚C to +125˚C junction temperature range for

operation

Applications

n Cellular phones

n PDA handsets

n Wireless LAN devices

Typical Application Circuit

20144101

DS201441

www.national.com

12 3 4 5 6 7...10

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LP5900SD-2.5	TI	获取价格	LP5900 Ultra Low Noise, 150 mA Linear Regulator for RF/Analog Circuits Requires No Bypass