Maxim Integrated MAX6733UTSVD3-T Microprocessor Reset Circuit

The Maxim Integrated MAX6733UTSVD3-T is a highly reliable microprocessor (µP) supervisory circuit designed to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with a single 3.3V power-supply voltage.

This compact device is essential for maintaining system integrity during power-up, power-down, and brown-out conditions. The MAX6733UTSVD3-T ensures that the microprocessor is reset to a known state during power failures or whenever the voltage supplied to the processor drops below a safe threshold.

Key Features:

• Power Supply Monitoring: Precision monitoring of 3.3V power supplies with a factory-set reset threshold voltage, ensuring reliable operation.
• Low Power Consumption: With its low supply current of 1.6µA, it is suitable for battery-operated equipment, contributing to longer battery life.
• Manual Reset: A manual reset input is provided, allowing the user to initiate a system reset.
• Reset Timeout: The device includes a 140ms min reset timeout delay, ensuring the system has sufficient time to stabilize during power-up.
• High Reset Output Accuracy: Reset threshold accuracy is maintained over temperature at ±1.5%.
• Immune to Short VCC Transients: The circuit ignores short transients on VCC, which prevents false resets from occurring.
• Operating Temperature Range: The device operates over a wide temperature range of -40°C to +85°C, making it suitable for industrial applications.
• Small Package: Available in a space-saving SOT23-6 package, it is ideal for use in space-constrained applications.

The MAX6733UTSVD3-T is a versatile solution for system management and is particularly well-suited for portable devices, computers, controllers, and intelligent instruments. Its robust design and feature set ensure that digital systems operate reliably and are protected from the dangers of unpredictable power supply conditions.

With Maxim Integrated's commitment to quality, the MAX6733UTSVD3-T is a superb choice for designers looking to enhance the operational stability of their digital systems.