PRODUCT DESCRIPTION

The SPX1583 is a 1.5A Low Dropout Regulator with extremely low dropout voltage. The adjustable version requires only two external resistors to set the output voltage. The fixed version has a preset output of 3.3V, 2.8V or 2.5V and does not require any external resistors.

FEATURES

• Low Dropout Voltage 500mV at 1.5A Full Load Current

• Adjustable Output Down to 1.2V from ATX Power Supply

• Fixed Output Voltages of 3.3V, 2.8V, 2.5V, and 1.5V

• Extremely Tight Voltage and Line Regulation

• Standard 5-Terminal Low Cost TO-220 & TO-263

APPLICATIONS

• 3.3V to 2.8V ATX Power Supplies

• 3.3V to 2.9V for Portable PENTIUM Processor

• 5V to 3.5V VRE Supply

• High Efficiency “Green” Computer Systems