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Fabricante

SP1085

3A Low Dropout Linear Regulator

Signal Processing Technologies 

Solved by

SP1085

TM

3A Low Dropout Linear Regulator

features

g Low Dropout Voltage: Typical 1.3V at 3A

g Current Limiting and Thermal Protection

g Output Current: 3A

g Current Limit: 4.5A

g Operating Junction Temperature: 0 to 125oC

g Line Regulation: 0.015% (Typical)

g Load Regulation: 0.1% (Typical)

g Available in RoHS Compliant, Lead Free

Packaging

TO-220

3

2

1

INPUT

OUTPUT

ADJ/GND

Applications

g High Efficiency Linear Regulators

g Battery Charger

g Post Regulation for Switching Supplies

g Microprocessor Supply

g Mother Board Power Supplies

g DVD - Video Player

g Telecom Equipment

g Set Top Boxes and Web Box Modular Supplies

general Description

The SP1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load

current. The series features on-chip thermal shutdown. It also includes a bandgap reference and a current limiting circuit.

The SP1085 is available in 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V and adjustable versions. The fixed versions integrate

the adjust resistors. The adjustable version can set the output voltage with two external resistors. The SP1085 series is

available in standard packages of TO-263-3L, TO-220 and TO-252.

TO-263-3L

TO-252

TO-220

Figure . Package Types of SP085

Date: 7/24/06 Rev H

SP1085 3A Low Dropout Linear Regulator



© 2006 Sipex Corporation

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