LM3724IM5X-3.08

Supervisors Overview

The LM3724IM5X-3.08 is a processor supervisor circuit manufactured by Texas Instruments, designed to monitor system voltage levels and generate reset signals for microprocessors. It features a single monitored input with an active-low/open-drain output configuration housed in a 5-pin SOT-23 package. The device operates within a supply voltage range up to 5.5 V and includes a fixed reset delay time of 2 ms. It supports a threshold voltage of 3.08 V and functions reliably across an extended temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Provides reliable power supervision through a dedicated voltage monitoring input channel.
• Generates active-low reset signals via an open-drain output interface for direct microprocessor integration.
• Ensures stable operation under varying thermal conditions with an extended industrial temperature rating.

Supervisors Applications

• Microprocessor reset circuits requiring precise voltage supervision
• Portable electronic devices needing low-power monitoring solutions
• Industrial control systems operating in harsh thermal environments

Supervisors Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm pinout compatibility and electrical specifications. Ensure that the ordering information matches the specific revision level required for your design. Cross-reference datasheet parameters such as threshold voltage and package type before finalizing procurement decisions to avoid integration errors.

Supervisors Selection Notes

Select this component when a simple, cost-effective solution for single-channel voltage monitoring is required. Consider the open-drain output capability if interfacing with logic families requiring pull-up resistors. Evaluate the thermal performance requirements to ensure the SOT-23 package meets the application's heat dissipation needs within the specified operating temperature range.

Supervisors Part Context

This component belongs to the LM3724 family of supervisory circuits, which are widely used in embedded systems for power management. It serves as a critical element in ensuring system stability by detecting brown-out conditions and initiating appropriate reset sequences. The family is known for its simplicity and reliability in consumer and industrial electronics applications.

Supervisors Replacement Considerations

Check for direct substitutes like the LM3724EM5-3.08/NOPB or SM72240MFX-3.08/NOPB, ensuring identical threshold voltages and package types. Verify functional equivalence regarding output drive strength and reset timing characteristics before substitution.

Supervisors FAQ

What is the output configuration of the LM3724IM5X-3.08?

The device features an active-low/open-drain output configuration, requiring an external pull-up resistor for proper operation.

Does the LM3724IM5X-3.08 include a watchdog timer?

No, this specific variant does not include a built-in watchdog timer; it functions solely as a voltage supervisor with a fixed reset delay.