LP3470IM5X-2.93/S4000050

Supervisors Overview

The LP3470IM5X-2.93/S4000050 is a voltage supervisor from Texas Instruments designed for power-on reset applications. It features an active-low open-drain output and monitors a single input channel. The device has a fixed reset threshold of 2.93 V with 1% accuracy. It operates within a supply voltage range up to 5.5 V and includes a programmable reset delay time of 2 ms. The component is housed in a SOT-23-5 package and supports surface-mount installation.

Supervisors Feature Summary

• Provides active-low reset signal generation based on monitored supply voltage levels
• Features a fixed reset threshold voltage with high precision tolerance
• Includes a programmable delay timer to manage reset assertion timing

Supervisors Applications

• Power-on reset circuits for microprocessors
• Voltage supervision for embedded systems
• Battery-powered device monitoring

Supervisors Procurement Notes

Verify the exact suffix designation against the manufacturer's official documentation to confirm pinout and electrical characteristics. Ensure the ordering information matches the specific variant required for your design, as minor suffix differences may indicate variations in packaging or temperature rating. Cross-reference the datasheet revision date to ensure compliance with current specifications.

Supervisors Selection Notes

Select this component when a fixed threshold voltage near 2.93 V is required for system supervision. Consider the SOT-23-5 package size for space-constrained designs. Evaluate the need for a programmable delay feature to handle ramp-up times. Confirm that the active-low output type aligns with the target controller's reset input requirements.

Supervisors Part Context

This part belongs to the LP3470 series of supervisory circuits from Texas Instruments. The series offers various fixed threshold options to accommodate different voltage rails. The IM5X suffix typically indicates a tape-and-reel packaging format suitable for automated assembly processes. The device is part of a broader family of power management solutions focused on system reliability.

Supervisors Replacement Considerations

Direct substitutes include other LP3470 variants with similar threshold voltages, such as the LP3470IM5-2.93/NOPB. Verify compatibility regarding package dimensions and electrical parameters before substitution.