LP3470IM5X-4.63

Supervisors Overview

The LP3470IM5X-4.63 is a voltage supervisory circuit manufactured by Texas Instruments, formerly National Semiconductor. It operates within a supply voltage range up to 5.5 V and features a fixed threshold voltage of 4.63 V for monitoring a single input. The device provides an active-low, open-drain reset output with a typical reset delay time of 2 ms. It is housed in a compact SOT-23-5 surface-mount package and is designed for operation across a temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Provides precise voltage supervision with a fixed 4.63 V threshold
• Delivers an active-low, open-drain reset signal
• Ensures reliable system initialization via a 2 ms reset delay
• Supports surface-mount integration in space-constrained designs

Supervisors Applications

• Portable electronic devices requiring power management
• Battery-powered systems needing voltage supervision
• Embedded controllers requiring power-on reset signals
• Industrial equipment operating in extreme temperatures

Supervisors Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the specific suffix indicates tape-and-reel packaging if required for automated assembly. Ensure the part number matches the exact 4.63 V threshold specification. Check for RoHS compliance status in official documentation. Validate that the SOT-23-5 package aligns with your PCB footprint requirements.

Supervisors Selection Notes

Select this component when a fixed 4.63 V threshold is necessary for system supervision. Consider the active-low open-drain output compatibility with downstream logic levels. Evaluate the 2 ms reset delay against microcontroller startup times. Verify that the SOT-23-5 package fits the available board space. Ensure the operating temperature range meets environmental conditions.

Supervisors Part Context

This component belongs to the LP3470 series of tiny power-on reset circuits. The series offers various threshold voltages to accommodate different supply rails. The IM5X suffix typically denotes a specific packaging variant, often tape-and-reel, suitable for high-volume manufacturing processes.

Supervisors Replacement Considerations

Direct substitutes include other LP3470 variants with compatible thresholds or packages. Verify pinout compatibility before substitution. Check electrical specifications such as threshold accuracy and reset delay. Ensure the replacement supports the same operating temperature range.