Description
The CAT803, CAT809, and CAT810 are supervisory circuits that monitor power supplies in digital systems. The CAT803, CAT809, and CAT810 are direct replacements for the MAX803, MAX809 and MAX810 in applications operating over the industrial temperature range.

Features
• Precision Monitoring of
    +5.0 V (−5%, −10%, −20%),
    +3.3 V (−5%, −10%),
    +3.0 V (−10%) and
    +2.5 V (−5%) Power Supplies
• Offered in Three Output Configurations:
    − CAT803: Open−Drain Active LOW Reset
    − CAT809: Push−Pull Active LOW Reset
    − CAT810: Push−Pull Active HIGH Reset
• Direct Replacements for the MAX803, MAX809 and MAX810 in Applications Operating over the Industrial Temperature Range
• Reset Valid down to VCC = 1.0 V
• 6 A Power Supply Current
• Power Supply Transient Immunity
• Industrial Temperature Range: −40°C to +85°C
• Available in SOT−23 and SC−70 Packages
• These Devices are Pb−Free and are RoHS Compliant

Applications
• Computers, Servers, Laptops, Cable Modems
• Wireless Communications
• Embedded Control Systems
• White Goods, Power Meters
• Intelligent Instruments
• PDAs and Handheld Equipment