MAX809SQ308T1G Description

The MAX809SQ308T1G is a low-cost system supervisor circuit that monitors VCC in digital systems and, when necessary, sends a reset signal to the host CPU. There are no external components required. On the VCC line, the MAX809SQ308T1G is tuned to reject quick transient errors. MAX809SQ308T1G is suitable for battery-powered applications due to its low supply current of 0.5 A (VCC = 3.2 V).

MAX809SQ308T1G Features

• Precision VCC Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies

• Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps

• Four Guaranteed Minimum Power?On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms)

• RESET Output Guaranteed to VCC = 1.0 V.

• Low Supply Current

• Compatible with Hot Plug Applications

• VCC Transient Immunity

• No External Components

• Wide Operating Temperature: ?40°C to 105°C

• These Devices are Pb?Free and are RoHS Compliant

MAX809SQ308T1G Applications

• Computers

• Embedded Systems

• Battery-Powered Equipment

• Critical Microprocessor Power Supply Monitoring