DESCRIPTION
The SPX3940 is a 1A, accurate voltage regulators with a low drop out voltage of 280mV(typical) at 1A. 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.

FEATURES
■1% Output Accuracy SPX3940A
■Guaranteed 1.5A Peak Current
■Low Quiescent Current
■Low Dropout Voltage of 280mV at 1A
■Extremely Tight Load and Line Regulation
■Extremely Fast Transient Response
■Reverse-battery Protection
■Internal Thermal Protection
■Internal Short Circuit Current Limit
■Replacement for LM3940
■Standard SOT-223, TO-220 and TO-263 packages

APPLICATIONS
■Powering VGA & Sound Card
■Automotive Electronics
■LCD Monitors
■Cordless Telephones
■Power PC^TM Supplies
■SMPS Post-Regulator
■Laptop, Palmtop, and Note book Computer
■High Efficiency Linear Power Supplies
■Portable Instrumentation
■Constant Current Regulators