LM27222MX

Overview

The LM27222MX is a high-speed synchronous MOSFET gate driver designed for push-pull configurations in synchronous buck regulators. It features a peak output current of 4.5 A and operates with a supply voltage range up to 30 V. The device exhibits an 8 ns propagation delay and typically 10 ns of dead time, ensuring precise switching control. It is housed in an 8-SOIC package and supports operating temperatures from -40 °C to 125 °C.

Feature Summary

• High-speed operation with 8 ns propagation delay for fast response
• Capable of delivering 4.5 A peak output current for robust MOSFET driving
• Optimized for synchronous buck regulator applications with minimal dead time

Applications

• Synchronous buck DC-DC converters
• High-frequency power supply designs
• Push-pull MOSFET gate drive circuits

Procurement Notes

Verify the complete part number including suffixes such as NOPB when sourcing. Confirm RoHS compliance status and packaging details against official Texas Instruments documentation. Ensure the supplier provides valid traceability for automotive or industrial grade requirements if applicable.

Selection Notes

Select this component for applications requiring rapid switching speeds and high current drive capability. Evaluate thermal performance within the SOIC package constraints. Consider input voltage compatibility and load requirements to ensure stable operation within the specified temperature range.

Part Context

This device belongs to the LM2722x family of high-speed gate drivers. It serves as a specialized interface between logic controllers and power MOSFETs, enabling efficient energy conversion in modern power electronics systems through optimized timing characteristics.

Replacement Considerations

Check for LM27222M/NOPB as a direct equivalent variant. Verify pinout and electrical specifications match before substitution.