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LP8900TLX_AACB

更新时间： 2024-09-25 11:39:11

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
14页	338K
描述
Ultra Low Noise, Dual 200mA Linear Regulator for RF/Analog Circuits

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LP8900TLX_AACB 数据手册

February 11, 2009

LP8900

Ultra Low Noise, Dual 200mA Linear Regulator for RF/

Analog Circuits

General Description

Features

The LP8900 is a dual linear regulator capable of supplying

200mA output current per regulator. Designed to meet the

requirements of RF/Analog circuits, the LP8900 provides low

device noise, High PSRR, low quiescent current and superior

line transient response figures.

Operation from 1.8V to 5.5V Input

■

1% accuracy Over Temperature

Output Voltage from 1.2V to 3.6V

6µV_RMSOutput Voltage Noise

PSRR 75dB at 1kHz

Using new innovative design techniques the LP8900 offers

class-leading device noise performance without a noise by-

pass capacitor.

110mV Dropout at 200mA load

48µA Quiescent Current per regulator

The LP8900 is designed to be stable with space saving

ceramic capacitors as small as 0402 case size, enabling a

solution size <4mm ².

80µs Start-Up time

Stable with Ceramic Capacitors as small as 0402

■

Thermal-Overload and Short-Circuit Protection

Performance is specified for a -40°C to 125°C junction

temperature range.

Package

Output voltage options are available between 1.2V and 3.6V,

for availability please contact your local NSC sales office.

6 pin micro SMD (1.5mm x 1.1mm)

■

Applications

Battery Operated Devices

■

Hand-Held Information Appliances

Noise Sensitive RF Applications

DC/DC Convertor Post Regulation/Filter

Typical Application Circuit

30039302

300393

www.national.com

12 3 4 5 6 7...14

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