MAX4925ELT+T

Specialized ICS Overview

The MAX4925ELT+T is an overvoltage protection controller designed to safeguard low-voltage systems from high-voltage faults up to +28V. It operates with an external pFET, turning it off when the input voltage exceeds the typical 5.65V overvoltage lockout (OVLO) threshold or falls below the 2.44V undervoltage lockout (UVLO) threshold. The device features a ±2.5% accurate trip level, a 20ms adapter debounce time, and a fault flag indicator. It draws a typical supply current of 13µA and is housed in a compact 6-pin µDFN package.

Specialized ICS Feature Summary

• Overvoltage protection up to +28V with preset 5.65V OVLO threshold
• Fixed 2.44V typical undervoltage lockout (UVLO) level
• ±2.5% accuracy for both overvoltage and undervoltage trip levels
• Low 13µA typical supply current consumption

Specialized ICS Applications

• Cell Phones
• Digital Cameras
• Media Players

Specialized ICS Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and lead-free status. Ensure the component meets RoHS compliance requirements for the intended application. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Specialized ICS Selection Notes

Select the MAX4925ELT+T when the system requires protection against input voltages exceeding approximately 5.65V. This model is suitable for applications where the operating voltage range typically sits between the 2.44V UVLO and 5.65V OVLO thresholds. Consider the external pFET selection based on the -30V VDS rating and on-resistance requirements specified in the datasheet.

Specialized ICS Part Context

The MAX4925ELT+T belongs to the MAX4923–MAX4926 family of overvoltage protectors. These devices share a common architecture and pinout but differ in their preset overvoltage trip levels. The MAX4925 specifically targets systems requiring a 5.65V protection threshold, distinguishing it from the MAX4923 (7.18V), MAX4924 (6.16V), and MAX4926 (4.46V).

Specialized ICS Replacement Considerations

Direct replacements within the same series include the MAX4923ELT+, MAX4924ELT+, and MAX4926ELT+. Note that these alternatives have different overvoltage trip levels (7.18V, 6.16V, and 4.46V respectively). Ensure the new part's trip level aligns with the protected circuit's maximum allowable input voltage.