PRODUCT DESCRIPTION

The SPX431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate 0.5 bandgap reference. SPX431 acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431 thermal stability, wide operating current (150mA) and temperature range (0°C to 105°C) makes it suitable for all variety of application that are looking for a low cost solution with high performance. SPX431 tolerance of 0.5 is proven to be sufficient to overcome all of the other errors in the system to virtually eliminate the need for trimming in the power supply manufactures assembly line and contribute a significant cost savings.

The output voltage may be adjusted to any value between VREF and 36 volts with two external resistors. The SPX431 is operating an extended temperature range of 0°C to 105°C. The SPX431 is available in TO-92, SO-8, SOT-89, and SOT-23-5 packages.

FEATURES

• Trimmed Bandgap to 0.5

• Wide Operating Current..........................1mA to 150mA

• Extended Temperature Range....................0°C to 105°C

• Low Temperature Coefficient ............................30 ppm/°C

• Offered in TO-92, SOIC, SOT-89, SOT-23-5

• Improved Replacement in Performance for TL431

• Low Cost Solution

APPLICATIONS

• Battery Operating Equipments

• Adjustable Supplies

• Switching Power Supplies

• Error Amplifiers

• Single Supply Amplifier

• Monitors / VCR / TV

• Personal Computers