MIC4429BN

Overview

The MIC4429BN is a low-side MOSFET gate driver manufactured by Microchip Technology. It features an inverting input configuration and delivers a peak output current of 6A for both sourcing and sinking operations. Typical switching performance includes a rise time of 12ns and a fall time of 13ns. The device operates within a junction temperature range of -40°C to 150°C and is housed in an 8-pin PDIP package.

Feature Summary

• Provides high peak output current capability for driving large MOSFETs
• Features inverting logic input configuration
• Supports fast switching speeds with nanosecond rise and fall times
• Operates across an extended industrial temperature range

Applications

• Low-side MOSFET gate driving
• Power supply control circuits
• Motor drive applications

Procurement Notes

Verify the manufacturer marking matches Microchip Technology or Micrel Inc. Confirm the package type is 8-PDIP. Check datasheet revisions for electrical parameter consistency. Ensure the part number suffix BN corresponds to the specified package variant. Validate authenticity through authorized distribution channels.

Selection Notes

Select this component when a low-side, inverting gate driver with 6A peak current is required. Consider the 12ns/13ns switching speeds for high-frequency applications. Verify compatibility with the target MOSFET's gate charge requirements. Ensure the operating temperature range meets system thermal constraints.

Part Context

This component belongs to the MIC4429/MIC429 series of gate drivers. It shares functional similarities with the non-inverting MIC4420 but differs in input logic. The series is designed for driving power MOSFETs in various switching applications requiring robust output current capabilities.