MAX6730UTLD3+T

MAX6730 is a single voltage μP supervisory circuit with independent watchdog timer and manual reset capability. It offers factory-set reset threshold for monitoring voltages from +0.9V to +5V and an adjustable reset input for monitoring voltages down to +0.63V. The combination of these features significantly improves system reliability and accuracy when compared to separate ICs or discrete components. The active-low reset output asserts and remains asserted for the reset timeout period after all the monitored voltages exceed their respective thresholds. Multiple factory-set reset threshold combinations reduce the number of external components required. Typical applications include multivoltage systems, telecom/networking equipment, computers/servers, portable/battery-operated equipment, industrial equipment, printer/fax, set-top boxes and automotive.

• VCC1 (primary supply) reset threshold voltages from 4.5V to +4.75V
• Six reset timeout options
• Watchdog timer with independent watchdog output, 35s (min) initial watchdog start-up period
• 1.12s (min) normal watchdog timeout period
• Manual reset input
• Guaranteed reset valid down to VCC1 or VCC2 = +0.8V
• Immune to short VCC transients
• Low supply current ICC1 is 28μA (max) and ICC2 is 9μA max at +3.6V
• 6 lead SOT23 package
• Operating temperature range from -40°C to +85°C

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