Description

The CAT812T is an electronic component that belongs to the supervisors category. It is a µP supervisory circuit designed to monitor power supplies in digital systems. The CAT812T is a direct replacement for the MAX811 and MAX812 models and can be used in applications operating over the industrial temperature range. It features a manual reset input for easy operation.

Specifications and 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 two output configurations: CAT811 (Active LOW reset) and CAT812 (Active HIGH reset)
• Manual reset input for easy operation
• Reset valid down to VCC = 1.0 V
• Low power consumption: 6 µA power supply current
• Power supply transient immunity
• Compact 4-pin SOT143 package for space-saving installation
• Industrial temperature range: -40˚C to +85˚C

Application Scenarios

The CAT812T is commonly used in various electronic devices and systems, including:

• Computers
• Servers
• Laptops
• Cable modems
• Wireless communications
• Embedded control systems
• White goods
• Power meters
• Intelligent instruments
• PDAs and handheld equipment

Comparison

• Precision monitoring of multiple voltage levels for versatile power supply compatibility
• Manual reset input for convenient control
• Wide industrial temperature range for reliable operation in various environments

• None identified