MIC4422AZT

Overview

The MIC4422AZT is a low-side, single-channel MOSFET gate driver manufactured by Microchip Technology. It features a non-inverting configuration with a peak output current of 9 A for both sourcing and sinking. The device operates within a supply voltage range of 4.5 V to 18 V and supports through-hole mounting in a TO-220-5 package. Key electrical characteristics include a rise time and fall time of 25 ns, a quiescent supply current of 450 µA, and an operating temperature range from 0°C to +70°C.

Feature Summary

• Provides high-speed switching capability with 25 ns rise and fall times for efficient MOSFET control.
• Delivers a robust 9 A peak output current to drive capacitive loads effectively.
• Features a non-inverting logic interface for straightforward signal integration.

Applications

• High-frequency DC-DC converter circuits
• Motor control systems requiring fast switching
• Power supply designs utilizing low-side N-channel MOSFETs

Procurement Notes

Verify the specific suffix 'ZT' corresponds to the TO-220-5 through-hole package variant when ordering. Confirm RoHS compliance status as indicated in the official datasheet. Ensure the procurement channel provides valid traceability documentation for the Microchip Technology component batch.

Selection Notes

Select this component for applications requiring a single low-side driver with moderate speed and high current capacity. The TO-220-5 package is suitable for through-hole assembly processes. Consider thermal management requirements due to the 9 A output capability and ensure the input logic levels are compatible with the 4.5 V minimum supply voltage.

Part Context

This part belongs to the MIC4422 series of high-speed MOSFET drivers. It shares functional similarities with other variants like the MIC4422ZM (SOIC-8) but differs in packaging and mounting style. The series is designed for general-purpose power switching applications where reliable gate drive performance is critical.

Replacement Considerations

Direct pin-compatible alternatives may include other Microchip low-side drivers such as the MIC4422ZM if surface mount is acceptable. Verify that substitute components match the 9 A current rating and 25 ns switching speeds to maintain circuit performance integrity.

FAQ

Is the MIC4422AZT an inverting or non-inverting driver?

The MIC4422AZT is a non-inverting gate driver, meaning the output follows the state of the input signal.

What is the maximum supply voltage for this device?

The maximum supply voltage (VDD) for the MIC4422AZT is 18 V.