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LMS8117AMPX-1.8

更新时间： 2024-11-18 22:39:07

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
16页	774K
描述
1A Low-Dropout Linear Regulator

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LMS8117AMPX-1.8 数据手册

April 2005

LMS8117A

1A Low-Dropout Linear Regulator

General Description

Features

n Available in 1.8V, 3.3V, and Adjustable Versions

The LMS8117A is a series of low dropout voltage regulators

with a dropout of 1.2V at 1A of load current. It has the same

pin-out as National Semiconductor’s industry standard

LM317.

n Space Saving SOT-223 and TO-252 Packages

n Current Limiting and Thermal Protection

n Output Current

The LMS8117A is available in an adjustable version, which

can set the output voltage from 1.25V to 13.8V with only two

external resistors. In addition, it is also available in two fixed

voltages, 1.8V and 3.3V.

n Temperature Range

n Line Regulation

n Load Regulation

0˚C to 125˚C

0.2% (Max)

0.4% (Max)

The LMS8117A offers current limiting and thermal shutdown.

Its circuit includes a zener trimmed bandgap reference to

assure output voltage accuracy to within 1%.

Applications

n Post Regulator for Switching DC/DC Converter

n High Efficiency Linear Regulators

n Battery Charger

The LMS8117A series is available in SOT-223 and TO-252

D-PAK packages. A minimum of 10µF tantalum capacitor is

required at the output to improve the transient response and

stability.

n Battery Powered Instrumentation

Typical Application

Fixed Output Regulator

10119628

DS101196

www.national.com

12 3 4 5 6 7...16

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