MAX6805US31D3+T

The MAX6805US31D3+T is a low power, microprocessor (µP) reset circuit with manual reset in 4 pin SOT143 package. This low cost µP supervisory circuit monitors the power supplies and digital systems. It increase circuit reliability and reduce cost by eliminating external components and adjustments. They also feature a debounced manual-reset input. IC perform a single function that it assert a reset signal whenever the VCC supply voltage declines below a preset threshold or whenever manual reset is asserted. Reset remains asserted for a preset timeout period after VCC has risen above the reset threshold or after manual reset is deasserted. Typical applications include computers, controllers, intelligent instruments, critical µP/µC power monitoring and portable/battery-powered equipment.

• Supply voltage range from 1V to 5.5V at TA = 0°C to +125°C
• Operating temperature range from -40°C to +125°C
• Supply Current of 4μA at VCC = 3V, 5μA at VCC = 5V
• Precision monitoring of 2.85V to 5.0V power supply voltages
• Open-drain RESET (active low) output stage
• 3.08V reset threshold
• 100ms minimum reset timeout
• Debounced manual-reset input, power supply transient immunity
• Fully specified over temperature, no external components required
• Guaranteed RESET (active low) valid to VCC = 0.7V

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System Monitoring, Portable Devices

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