LP3470IM5X-3.65

Supervisors Overview

The LP3470IM5X-3.65/NOPB is a voltage supervisory circuit manufactured by Texas Instruments, formerly National Semiconductor. It monitors a single input voltage and provides an active-low, open-drain reset signal when the supply drops below the 3.65 V threshold. The device operates within a supply voltage range up to 5.5 V and features a typical reset delay time of 2 ms. It is housed in a SOT-23-5 surface-mount package and supports operation across an industrial temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Monitors a single power rail for under-voltage conditions
• Provides an active-low open-drain reset output
• Operates with a maximum supply voltage of 5.5 V

Supervisors Applications

• Portable electronic devices requiring power supervision
• Embedded systems monitoring microcontroller supply rails
• Battery-powered equipment ensuring stable operation voltages

Supervisors Procurement Notes

Verify the specific suffix (e.g., /NOPB) against the manufacturer's current datasheet to confirm RoHS compliance and pinout compatibility. Ensure the selected variant matches the required 3.65 V threshold and SOT-23-5 package dimensions for your PCB layout. Cross-reference the part number with official Texas Instruments documentation to avoid obsolete or non-compliant substitutions.

Supervisors Selection Notes

Select this component when a fixed 3.65 V threshold is required for a single-channel power monitor. The SOT-23-5 package is suitable for space-constrained designs. Consider the 2 ms reset delay and open-drain output characteristics when designing the downstream logic interface. Verify that the operating voltage range covers the system's minimum and maximum supply levels.

Supervisors Part Context

This part belongs to the LP3470 family of simple reset circuits originally developed by National Semiconductor and now managed by Texas Instruments. The family offers various fixed voltage thresholds to accommodate different logic families and battery chemistries. The IM5X designation indicates a specific tape-and-reel packaging format for automated assembly.

Supervisors Replacement Considerations

Direct substitutes include other LP3470 variants with different voltage thresholds if the 3.65 V level is adjustable in the design. Check for LP3470A series equivalents which may offer updated manufacturing processes while maintaining functional compatibility.