A1084
AiT Semiconductor Inc.
www.ait-ic.com
5A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
THERMAL SHUTDOWN AND CURRENT LIMIT FUNCTIONS
DESCRIPTION
FEATURES
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Provide Fixed Version and an Adjustable
Version, Output Value can be customized on
command.
The A1084 is a series of low dropout three terminal
regulators with a dropout of 1.4V at 5A load current.
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Maximum Output Current: 5A
Other than a fixed version (VOUT = 1.8V, 2.5V, 3.3V,
5V), The A1084 has an adjustable version, which
can set the output voltage with two external
resistors.
Range of Operation Input Voltage: Max 15V
Line Regulation: 0.2% (Typ.)
Load Regulation: 0.2% (Typ.)
Environment Temperature: 0oC to +80oC
Available in TO-252, TO-263-2 and TO-263-3
Package
The A1084 offers thermal shutdown and current limit
functions, to assure the stability of chip and power
system.
APPLICATION
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Power Management for Computer Mother
Board, Graphic Card
The A1084 is available in TO-252, TO-263-2 and
TO-263-3 package.
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Battery Charger
Microprocessor Supply
Post Regulators for Switching Supplies
ORDERING INFORMATION
TYPICAL APPLICATION
Package Type
TO-252
Part Number
A1084DR-XX
D
A1084DVR-XX
A1084S2R-XX
A1084S2VR-XX
A1084S3R-XX
A1084S3VR-XX
TO-263-2
TO-263-3
S2
S3
Adjustable Version
VOUT = VREF x (1 + R2 / R1) + IADJ x R2
XX: Output Voltage,
33 = 3.3V, 50 = 5V,
ADJ: Adjustable
Note
R : Tape & Reel
V: Green Package
Fixed Output Version
AiT provides all Pb free products
Suffix “ V “ means Green Package
REV1.2
- JUN 2007 RELEASED – SEP 2008 REVISED -
- 1 -
AITSEMI [ AiT Semiconductor ]
