MAX6353UWUK+

Overview

The MAX6353UWUK+T is a dual-input voltage supervisory circuit manufactured by Analog Devices / Maxim Integrated. It operates within a supply voltage range of up to 5.5 V and features two monitored inputs with threshold voltages of 1.67 V and 2.78 V, and overvoltage thresholds of 1.7 V and 2.82 V. The device provides active low, push-pull outputs and includes a manual reset input. It has a reset delay time of 180 ms and an accuracy of 1.5%. Operating current is 20 uA, with a power dissipation of 571 mW. It functions between -40°C and +85°C in an SOT-23-5 package.

Feature Summary

• Dual-input voltage supervision with specified threshold levels for monitoring multiple power rails
• Manual reset capability allowing external control over the reset state
• Active low push-pull output configuration for direct interface with digital logic

Applications

• Monitoring dual voltage supplies in embedded systems
• Providing reset signals for microprocessors requiring manual intervention
• Power management in portable electronic devices operating at low currents

Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status via official documentation. Check current availability as supply may be limited or discontinued. Ensure packaging type matches requirements for surface mount assembly processes.

Selection Notes

Select this component when dual voltage monitoring with manual reset is required. Consider the specific threshold voltages of 1.67 V and 2.78 V against target supply rails. Evaluate the 20 uA operating current for battery-powered applications. Verify compatibility with the SOT-23-5 package footprint and -40°C to +85°C temperature range.

Part Context

This part belongs to the MAX6353U series of microprocessor supervisors. It is designed for applications requiring reliable voltage monitoring with manual reset functionality. The series offers various threshold options and packages to suit different design constraints.

Replacement Considerations

Check for MAX6353 variants with similar threshold voltages and package types. Verify pinout compatibility before substitution. Ensure electrical specifications such as operating current and reset delay meet system requirements.