LM809M3-3.08/NOPB

Supervisors Overview

The LM809M3-3.08/NOPB is a voltage supervisory circuit manufactured by Texas Instruments, designed to monitor a single input voltage line. It operates within a supply voltage range of up to 5.5 V and features a fixed threshold voltage of 3.08 V. The device provides an active-low, push-pull output signal with a reset delay time of 240 ms. It is housed in a compact SOT-23-3 surface-mount package and supports operation across an extended temperature range from -40°C to +105°C.

Supervisors Feature Summary

• Provides precise voltage supervision with a fixed 3.08 V threshold for reliable system monitoring
• Features an active-low, push-pull output configuration for direct interface with digital logic
• Operates over an extended industrial temperature range suitable for harsh environments

Supervisors Applications

• Microprocessor reset circuits
• Portable equipment power management
• Battery-powered systems supervision

Supervisors Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance as per manufacturer standards. Confirm the package type matches the design footprint requirements. Ensure the operating voltage remains within the specified maximum limits to maintain accuracy and reliability during procurement validation.

Supervisors Selection Notes

Select this component when a fixed threshold supervisor is required without manual reset or watchdog functionality. The SOT-23-3 package offers space efficiency for compact designs. Consider the 240 ms reset delay and active-low output polarity to ensure compatibility with the target microcontroller or logic interface requirements.

Supervisors Part Context

This part belongs to the LM809 family of simple reset supervisors. It shares functional similarities with other variants in the series that offer different threshold voltages or output types. The LM809 series is widely used for basic power-on reset applications where high precision or complex timing features are not necessary.

Supervisors Replacement Considerations

LM809M3-2.63/NOPB

Supervisors FAQ

Does the LM809M3-3.08/NOPB include a manual reset button?

No, this specific variant does not support manual reset functionality.

What is the output type of the LM809M3-3.08/NOPB?

It features an active-low, push-pull output.