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SPX29302A

3A High Current, Low Dropout Voltage Regulator Adjustable, Fast Response Time

Signal Processing Technologies 

®

SPX29302A

3A High Current, Low Dropout Voltage Regulator

Adjustable, Fast Response Time

FEATURES

■ Adjustable Output Down To 1.25V

■ 1% Output Accuracy

■ Output Current of 3A

■ Low Dropout Voltage of 370mV @ 3A

■ Extremely Fast Transient Response

■ Reverse-Battery Protection

■ Zero Current Shutdown (5 pin version)

■ Standard TO-220 and TO-263

Packages

APPLICATIONS

■ Powering VGA & Sound Card

■ PowerPC™ Supplies

■ SMPS Post Regulator

■ High Efficiency “Green” Computer

Systems

■ High Efficiency Linear Power Supplies

■ Constant Current Regulators

■ Adjustable Power Supplies

■ Battery Charger

Refer to page 7 for pinouts.

Now Available in Lead Free Packaging

DESCRIPTION

The SPX29302A is a 3A, highly accurate voltage regulator with a low drop out voltage of

370mV (typical) @ 3A. These regulators are specifically designed for low voltage applications

that require a low dropout voltage and a fast transient response. Fault protection features

include over-current, reverse battery, and positive and negative voltage transients. On-Chip

trimming adjusts the reference voltage to 1% initial accuracy.

The SPX29302A is offered in 5-pin TO-220 & TO-263 packages.

TYPICAL APPLICATION S CIRCUIT

VIN

+

6.8µF

1 SPX29302A 4

2

3

GND

5

ADJ

VOUT

R1+ 10µF

R2

Figure 1. Adjustable Output Linear Regulator

Date: 5/25/04

SPX29302A 3Amp LDO Low Dropout Voltage Regulator

1

© Copyright 2004 Sipex Corporation

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