LP3470IM5-3.65

Supervisors Overview

The LP3470IM5-3.65/NOPB is a voltage supervisory circuit manufactured by Texas Instruments, designed for monitoring power supply integrity in electronic systems. It operates within a maximum supply voltage of 5.5 V and features a precise reset threshold of 3.65 V with 1% accuracy. The device utilizes an active-low, open-drain output configuration and provides a fixed reset delay time of 2 ms. It is housed in a compact SOT-23-5 surface-mount package, suitable for space-constrained applications. The component supports operation across a temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Provides accurate voltage supervision with a 1% reset threshold tolerance
• Features an active-low open-drain output for direct interface with digital logic
• Includes a fixed 2 ms reset delay to ensure stable power-up sequencing

Supervisors Applications

• Portable battery-powered devices requiring low quiescent current
• Embedded systems needing reliable power-on reset signals
• Microcontroller and FPGA power management circuits

Supervisors Procurement Notes

Verify the specific suffix (e.g., NOPB) against the datasheet to confirm lead-free compliance and exact threshold voltage. Confirm availability status as some variants may be marked as Not Recommended for New Designs (NRND). Ensure the operating temperature range meets system requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Supervisors Selection Notes

Select this component when a fixed 3.65 V threshold is required for single-input voltage monitoring. Consider the 2 ms fixed delay if external capacitor programming is not desired. Evaluate the SOT-23-5 package size against board space constraints. Compare against the LP3470A series if higher input voltage ranges or programmable delays are needed instead.

Supervisors Part Context

This part belongs to the LP3470 family of tiny power-on reset circuits from Texas Instruments. It is functionally compatible with other LP3470 variants differing primarily in reset threshold voltage. The IM5 suffix indicates the specific package type and thermal performance characteristics. It serves as a fundamental building block for ensuring system stability during power transitions.

Supervisors Replacement Considerations

LP3470IM5-3.65/NOPB is directly interchangeable with other LP3470 variants sharing the same 3.65 V threshold and SOT-23-5 package. Verify pinout compatibility before substituting with different package types. Check if alternative thresholds meet the design requirements if exact 3.65 V is not critical.