LTC4444EMS8E#PBF

Overview

The LTC4444EMS8E-5#PBF is a high-voltage synchronous N-channel MOSFET driver manufactured by Analog Devices Inc. It features two drivers in an MSOP-E-8 package, supporting input voltages up to 100 V with a supply range of 7.2 V to 13.5 V. The device delivers 3 A output current with rise and fall times of 80 ns and 50 ns respectively. Operating temperatures span from -40°C to +125°C, and quiescent current is 350 µA.

Feature Summary

• Supports high-side and low-side driving for synchronous N-channel MOSFETs
• Integrated bootstrap diode for high-side gate drive generation
• Independent PWM inputs allow flexible control logic integration

Applications

• High voltage synchronous buck converters
• Industrial power supply stages
• Motor control bridge drivers

Procurement Notes

Verify the exact suffix against official Analog Devices documentation to confirm pinout and electrical specifications. Confirm RoHS compliance status through the manufacturer's latest environmental declaration. Ensure the MSOP-E-8 package thermal pad requirements are met during PCB layout to maintain reliability within the specified operating temperature range.

Selection Notes

Select this component when designing circuits requiring robust high-voltage gate driving capabilities. The integrated bootstrap diode simplifies bill of materials. Verify that the 100 V input rating aligns with the system bus voltage. Consider the 3 A peak drive current capability to ensure adequate switching speed for the target MOSFET load.

Part Context

This part belongs to the LTC4444 series of high-voltage MOSFET drivers. It is designed specifically for applications requiring reliable control of N-channel devices in high-side configurations. The series emphasizes simplicity and performance in compact surface-mount packages suitable for dense power electronics designs.

Replacement Considerations

LTC4444EMS8E-5#TRPBF is the tape and reel variant of this component.