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LM1086-3.3 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
LM1086-3.3 1.5A Low Dropout Positive Regulators National-Semiconductor
National ->Texas Instruments National-Semiconductor
LM1086-3.3 Datasheet PDF : 15 Pages
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June 2005
LM1086
1.5A Low Dropout Positive Regulators
General Description
The LM1086 is a series of low dropout positive voltage
regulators with a maximum dropout of 1.5V at 1.5A of load
current. It has the same pin-out as National Semiconductor’s
industry standard LM317.
The LM1086 is available in an adjustable version, which can
set the output voltage with only two external resistors. It is
also available in six fixed voltages: 1.8V, 2.5V, 2.85V, 3.3V,
3.45V and 5.0V. The fixed versions integrate the adjust
resistors.
The LM1086 circuit includes a zener trimmed bandgap ref-
erence, current limiting and thermal shutdown.
The LM1086 series is available in TO-220, TO-263, and LLP
packages. Refer to the LM1084 for the 5A version, and the
LM1085 for the 3A version.
Features
n Available in 1.8V, 2.5V, 2.85V, 3.3V, 3.45V, 5V and
Adjustable Versions
n Current Limiting and Thermal Protection
n Output Current
1.5A
n Line Regulation
0.015% (typical)
n Load Regulation
0.1% (typical)
Applications
n SCSI-2 Active Terminator
n High Efficiency Linear Regulators
n Battery Charger
n Post Regulation for Switching Supplies
n Constant Current Regulator
n Microprocessor Supply
Connection Diagrams
TO-220
TO-263
LLP
Top View
10094802
10094804
Top View
Basic Functional Diagram, Adjustable Version
10094866
Pins 6, 7, and 8 must be tied together.
Top View
Application Circuit
10094865
© 2005 National Semiconductor Corporation DS100948
10094852
1.2V to 15V Adjustable Regulator
www.national.com
Direct download click here
 

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