MAX6306UK29D3-T

Supervisors Overview

The MAX6306UK29D3-T is a CMOS microprocessor supervisory circuit designed to monitor multiple power supplies. It asserts a system reset if any monitored supply falls outside the programmed threshold, making it suitable for personal computer systems monitoring both 5V and 3.3V rails. The device features a small 5-pin SOT-23 package and low supply current of 8µA. It includes a manual reset input and guarantees RESET valid down to VCC = 1V. Factory-set reset thresholds are available in 0.1V increments from 2.5V to 5V, with the UK29 variant set at 2.9V.

Supervisors Feature Summary

• Monitors more than one power supply and asserts system reset when voltage drops below the programmed threshold
• Immune to short VCC transients and guarantees RESET valid down to VCC = 1V
• Includes a manual reset input and requires no external components

Supervisors Applications

• Portable computers
• Controllers
• Intelligent instruments
• Multivoltage systems (e.g., 3V/5V, 5V/12V)
• Embedded control systems

Supervisors Procurement Notes

Verify the exact suffix against official Analog Devices documentation, as variations like +T or -T indicate specific packaging or revision states. Confirm lead times and availability directly with authorized distributors, as stock levels fluctuate. Ensure the component meets RoHS compliance requirements for your specific manufacturing process before finalizing procurement orders.

Supervisors Selection Notes

Select this IC for applications requiring precise monitoring of multiple voltage rails within a compact footprint. The factory-set threshold eliminates the need for external resistors, simplifying the design. Consider the 8µA supply current for battery-powered devices and ensure the manual reset functionality aligns with the system's recovery logic requirements.

Supervisors Part Context

Part of the MAX6305–MAX6313 series of 5-pin, multiple-input programmable reset ICs. Designed specifically for portable and embedded applications where space and power consumption are critical constraints while maintaining reliable supervision of complex multi-voltage architectures.

Supervisors Replacement Considerations

Check for direct cross-reference part numbers within the MAX6305–MAX6313 family that match the required threshold voltage and package type. Verify pinout compatibility and electrical specifications before substituting.