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LND4809

Description
400mA Low Dropout Voltage Regulators
File Size110KB,4 Pages
ManufacturerETC
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LND4809 Overview

400mA Low Dropout Voltage Regulators

DATA SHEET
LND48XX
400mA Low Dropout Voltage Regulators
GENERAL DESCRIPTION
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.
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.
APPLICATIONS
High-efficiency linear regulator
Battery powered systems
Portable/palm top/ notebook
Computers
Portable consumer equipment
Portable instrumentation
Automotive Electronics
SMPS Post Regulator
PIN DIAGRAM
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

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Description 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators 400mA Low Dropout Voltage Regulators
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