MAX4420EPA+

Overview

The MAX4420EPA+ is a low-side MOSFET gate driver manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 4.5 V to 18 V and delivers a peak output current of 6 A for both sourcing and sinking. The device features non-inverting logic inputs compatible with CMOS and TTL standards, ensuring reliable signal interfacing. Designed for surface-mount or through-hole applications in an 8-PDIP package, it supports switching frequencies up to 300 kHz with typical rise and fall times of 25 ns. The component functions reliably across an extended industrial temperature range from -40°C to +85°C.

Feature Summary

• Provides high-current 6 A drive capability for efficient N-channel and P-channel MOSFET switching
• Features non-inverting input configuration for direct logic interface compatibility
• Supports fast switching speeds with symmetric 25 ns rise and fall times
• Operates on single supply voltages ranging from 4.5 V to 18 V

Applications

• DC-DC converter power stages
• Motor control circuits
• High-speed switching power supplies

Procurement Notes

Verify the specific suffix 'EPA+' against official Analog Devices documentation to confirm the PDIP-8 through-hole package variant. Ensure the part number matches the exact manufacturer designation to avoid confusion with surface-mount equivalents like the ESA series. Confirm RoHS compliance status directly with the supplier or manufacturer datasheet prior to procurement.

Selection Notes

Select this component when a through-hole mounting solution is required for low-side MOSFET driving applications. The 6 A peak current rating suits moderate-power switching tasks, while the wide supply voltage range accommodates various logic levels. Consider thermal dissipation requirements given the 471 mW power dissipation limit in the PDIP-8 package during high-frequency operation.

Part Context

The MAX4420 belongs to the Maxim Integrated family of high-speed MOSFET drivers designed for robust power management. This specific model emphasizes simplicity and reliability for basic low-side switching needs. It serves as a bridge between low-power logic controllers and higher-power semiconductor switches, facilitating efficient energy conversion in compact electronic systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.