Datasheet > LND4809

LND4809

更新时间： 2024-10-19 05:42:27

品牌	Logo	应用领域
LINEAR_DIMENSIONS		稳压器
页数	文件大小	规格书
4页	115K
描述
400mA Low Dropout Voltage Regulators

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LND4809 数据手册

DATA SHEET

LND48XX

400mA Low Dropout Voltage Regulators

GENERAL DESCRIPTION

FEATURES

•

400mA output within 2% over

temperature

Very low quiescent current

Low dropout voltage (420mV Typ)

Extremely tight load and line regulation

Very low temperature coefficient

Current and thermal limiting

Unregulated DC input can withstand –

20V reverse battery and +60V positive

transients

Direct replacement for SGS-Thomson-

L48XX Series, but has lower ground

current, higher accuracy of output

voltage and extremely tight load and

line regulation. The 5 pin version

(adjust model) and 4 pin version (fixed

model) have a shutdown input.

This series of fixed-voltage monolithic

micropower voltage regulators is designed for a

wide range of applications. This device is an

excellent choice for use in battery-powered

application. Furthermore, the quiescent current

increases only slightly at dropout, which

prolongs battery life.

•

This series of fixed-voltage regulators features

very low quiescent current(100mA Typ.) and

very low drop output voltage (Typ. 60mV at light

load and 420mV at 400mA). This includes a

tight initial tolerance of 0.5%typ. Extremely good

load and line regulation of 0.05% typ., and very

low output temperature coefficient. This series

of fixed-voltage regulators is offered in 3-pin TO-

220 package compatible with other fixed voltage

regulators. Adjust model is offered in 5-pin TO-

220 package and fixed model with shutdown

input is offered in 4-pin TO-220 package.

•

APPLICATIONS

•

High-efficiency linear regulator

Battery powered systems

Portable/palm top/ notebook

Computers

PIN DIAGRAM

•

Portable consumer equipment

Portable instrumentation

Automotive Electronics

SMPS Post Regulator

Output

Common

Input

TO – 220 Package

• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •

12 3 4

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