DEVICE DESCRIPTION
The ZH431 is a three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 30mA. The output voltage may be set to any chosen voltage between 2.5 and 36 volts by selection of two external divider resistors.

FEATURES
• Surface mount SO8, SOT223,SOT23 and SOT89 packages
• TO92 package
• 2% and 1% tolerance
• Maximum temperature coefficient 55 ppm/°C
• Temperature compensated for operation over the full temperature range
• Programmable output voltage
• 50µA to 30mA current sink capability
• Low output noise

APPLICATIONS
• Shunt regulator
• Series regulator
• Voltage monitor
• Over voltage/ under voltage protection
• Switch mode power supplies