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Part Number: SPX2903

 

 

 

 

Description: The SPX29300/01/02/03 are 3A, highly accurate voltage regulators with a low drop out voltage of 450mV ...


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SPX2903 General Description


The SPX29300/01/02/03 are 3A, highly accurate voltage regulators with a low drop out voltage of 450mV dropout (typical) @ 3A. 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 SPX29300/01/02/03 are offered in 3 & 5-pin TO-220 & TO-263 packages. For a 1.5A version, refer to the SPX29150 data sheet.

SPX2903 Maximum Ratings

Lead Temperature (soldering, 5 seconds) ....................260°C
Storage Temperature Range......................-65°C to +150°C
Operating Junction Temperature Range......-40°C to +125°C
Input Voltage (Note 1) .................................................... 16V

SPX2903 Features

Adjustable Output Down To 1.25V
1% Output Accuracy
Output Current of 3A
Low Dropout Voltage of 450mV @ 3A
Extremely Tight Load and Line Regulation
Extremely Fast Transient Response
Reverse-Battery Protection
Zero Current Shutdown (5 pin version)
Error Flag Signal Output for Out of Regulation State (5 pin version)
Standard TO-220 and TO-263 Packages

SPX2903 Typical Application

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

SPX2903 datasheet

SPX100
PDF/DataSheet Download

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