General Description

The MAX803/MAX809/MAX810 are microprocessor (μP) supervisory circuits used to monitor the power supplies in μP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.

特性 Features

? Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages

? Fully Specified Over Temperature

? Available in Three Output Configurations

?? Open-Drain RESET Output (MAX803)

?? Push-Pull RESET Output (MAX809)

?? Push-Pull RESET Output (MAX810)

? 140ms min Power-On Reset Pulse Width

? 12μA Supply Current

? Guaranteed Reset Valid to VCC = +1V

? Power Supply Transient Immunity

? No External Components

? 3-Pin SC70 and SOT23 Packages

Applications

?? Computers

?? Controllers

?? Intelligent Instruments

?? Critical μP and μC Power Monitoring

?? Portable/Battery-Powered Equipment

?? Automotive