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LM1084ISX-5.0 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
LM1084ISX-5.0 5A Low Dropout Positive Regulators National-Semiconductor
National ->Texas Instruments National-Semiconductor
LM1084ISX-5.0 Datasheet PDF : 13 Pages
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June 2005
LM1084
5A Low Dropout Positive Regulators
General Description
The LM1084 is a series of low dropout voltage positive
regulators with a maximum dropout of 1.5V at 5A of load
current. It has the same pin-out as National Semiconductor’s
industry standard LM317.
The LM1084 is available in an adjustable version, which can
set the output voltage with only two external resistors. It is
also available in three fixed voltages: 3.3V, 5.0V and 12.0V.
The fixed versions intergrate the adjust resistors.
The LM1084 circuit includes a zener trimmed bandgap ref-
erence, current limiting and thermal shutdown.
The LM1084 series is available in TO-220 and TO-263 pack-
ages. Refer to the LM1085 for the 3A version, and the
LM1086 for the 1.5A version.
Features
n Available in 3.3V, 5.0V, 12V and Adjustable Versions
n Current Limiting and Thermal Protection
n Output Current
5A
n Industrial Temperature Range
−40˚C to 125˚C
n Line Regulation
0.015% (typical)
n Load Regulation
0.1% (typical)
Applications
n Post Regulator for Switching DC/DC Conveter
n High Efficiency Linear Regulators
n Battery Charger
Connection Diagrams
TO-220
Application Circuit
Top View
10094636
TO-263
10094635
Top View
Basic Functional Diagram, Adjustable Version
10094652
1.2V to 15V Adjustable Regulator
10094665
© 2005 National Semiconductor Corporation DS100946
www.national.com
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