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SPX29500

5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response Time

Signal Processing Technologies 

®

SPX29500/01/02/03

5A Low Dropout Voltage Regulator

Adjustable & Fixed Output, Fast Response Time

FEATURES

■ Adjustable Output Down to 1.25V

■ 1% Output Accuracy

■ Output Current of 5A

■ Low Dropout Voltage: 370mV @ 5A

■ Tight Line Regulation: 0.06%

■ Load Regulation: 0.2%

■ Fast Transient Response

■ Reverse-Battery Protection

■ Current Limit and Thermal Protection

SPX29502

5 Pin TO-263

1 23

SP29500

3 Pin TO-220

1 23

APPLICATIONS

■ Powering VGA & Sound Card

■ Power PC™ Supplies

■ SMPS Post Regulator

■ High Efficiency “Green” Computer

Systems

■ High Efficiency Linear Power Supplies

■ Constant Current Regulators

■ Adjustable Power Supplies

■ Battery Charger

VIN GND VOUT

DESCRIPTION

The SPX29500/01/02/03 are 5A highly accurate voltage regulators with a low dropout voltage of 370mV

@ 5A. These regulators are specifically designed for low voltage applications that require a low dropout

voltage and a fast transient response. They are fully fault protected against over-current, reverse

battery, and positive and negative voltage transients. On-Chip trimming adjusts the reference voltage

to 1% initial accuracy. Other features in the 5 pin versions include Enable, and Error Flag.

The SPX29500/01/02/03 are offered in 3 & 5-pin TO-220 & TO-263 packages. For a 1.5A version, refer

to the SPX29150 data sheet. For a 3A version, refer to the SPX29300 datasheet.

TYPICAL APPLICATION CIRCUITS

VIN

+

6.8µF

1 SPX29500 3

2

VOUT

+ 22µF

VIN

+

6.8µF

1 SPX29502 4

2

3

GND

5

ADJ

VOUT

R1+ 22µF

R2

Figure 1. Fixed Output Linear Regulator

Figure 2. Adjustable Output Linear Regulator

Rev:A Date: 3/8/04

SPX29500/01/02/03 5A Low Dropout Voltage Regulator

1

© Copyright 2004 Sipex Corporation

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