LTC4444IMS8E#PBF

Overview

The LTC4444IMS8E#PBF is a high-voltage synchronous N-channel MOSFET driver manufactured by Analog Devices. It integrates two independent drivers for high-side and low-side control within an MSOP-8 package. The device supports input voltages up to 100 V and operates on a supply voltage range of 7.2 V to 13.5 V. Key electrical parameters include a maximum output current of 3 A, propagation delay of 60 ns, rise time of 80 ns, and fall time of 50 ns. It functions with CMOS logic inputs and maintains operation across a temperature range of -40°C to +125°C.

Feature Summary

• Integrates dual high-side and low-side gate drivers for synchronous rectification applications
• Supports high-voltage inputs up to 100 V for driving external N-channel MOSFETs
• Features fast switching characteristics with defined rise and fall times for efficient power management

Applications

• High-voltage synchronous buck converters
• Power management integrated circuits (PMIC)
• Industrial motor control systems

Procurement Notes

Verify the specific suffix E in the part number against official Analog Devices documentation to confirm pinout or functional variations. Confirm RoHS compliance status through the manufacturer's datasheet. Ensure the MSOP-E-8 package dimensions match your PCB footprint requirements before procurement.

Selection Notes

Select this component when designing circuits requiring high-voltage isolation between control logic and power stages. The dual-driver architecture simplifies layout for half-bridge configurations. Consider the 3 A peak drive current capability relative to the total gate charge of the target MOSFETs to ensure adequate switching speed.

Part Context

This component belongs to the LTC4444 series of high-voltage MOSFET drivers. It is designed to replace discrete bootstrap and level-shifting solutions in compact power designs. The MSOP-E-8 package provides a small form factor suitable for space-constrained industrial and consumer electronics applications.

Replacement Considerations

LTC4444EMS8E-5#PBF is a documented variant within the same family.