MAX4420ESA+T

Overview

The MAX4420ESA+T is a high-speed, low-side MOSFET gate driver manufactured by Analog Devices Inc./Maxim Integrated. It features a non-inverting configuration with a single driver channel and two outputs capable of sourcing and sinking 6A peak current. The device operates on a supply voltage range of 4.5V to 18V. Typical rise and fall times are 25ns each. It supports logic input levels with VIL of 0.8V and VIH of 2.4V. The component is housed in an 8-SOIC package (0.154" width) and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides high-current drive capability for efficient switching of N-channel and P-channel MOSFETs.
• Features fast propagation characteristics with typical 25ns rise and fall times for high-speed applications.
• Operates with a wide supply voltage range from 4.5V to 18V.

Applications

• Power management systems requiring efficient MOSFET control
• DC-DC converter circuits
• Motor control interfaces

Procurement Notes

Verify the specific suffix '+T' indicates tape-and-reel packaging when ordering. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Ensure the 8-SOIC footprint matches the PCB design. Check RoHS compliance documentation for regulatory requirements. Validate that the non-inverting logic level aligns with the system's microcontroller or driver output.

Selection Notes

Select this component for applications requiring robust low-side driving with high peak current capability. The non-inverting configuration simplifies logic interfacing compared to dual-output inverters. Consider the 8-SOIC package constraints for thermal dissipation and board space. Verify that the 4.5V minimum supply voltage meets the system's power rail specifications. Evaluate the 25ns switching speed against the required PWM frequency and efficiency targets.

Part Context

The MAX4420 belongs to Maxim Integrated's family of high-speed MOSFET drivers designed for power conversion efficiency. It serves as a bridge between low-voltage logic controllers and power switches. The ESA+ variant denotes the standard commercial grade with lead-free packaging. This series is commonly utilized in industrial and consumer power supplies where compact size and reliable switching performance are critical.

FAQ

Is the MAX4420ESA+T an inverting or non-inverting driver?

It is a non-inverting driver, meaning the output state follows the input signal state directly.

What is the maximum supply voltage for the MAX4420?

The maximum supply voltage is 18V.