LTC4444EMS8E-5#PBF

Overview

The LTC4444EMS8E-5#PBF is a high-voltage synchronous N-channel MOSFET driver manufactured by Analog Devices Inc. It integrates high-side and low-side drivers in an MSOP-E-8 package, supporting input voltages up to 100 V. The device operates on a supply voltage range of 7.2 V to 13.5 V with a typical quiescent current of 350 uA. It delivers a peak output current of 3 A per channel, featuring rise and fall times of 80 ns and 50 ns respectively. The component functions within a temperature range of -40°C to +125°C and utilizes CMOS logic inputs.

Feature Summary

• Integrates high-side and low-side gate drivers for synchronous rectification applications
• Supports high-voltage operation with input capabilities up to 100 V
• Provides independent control inputs for precise timing management
• Operates with standard CMOS logic levels for interface compatibility

Applications

• High-voltage synchronous rectification in DC-DC converters
• Power management systems requiring isolated or floating gate drive
• Industrial motor control circuits utilizing N-channel MOSFETs

Procurement Notes

Verify the specific suffix E-5 against official Analog Devices documentation to confirm the exact electrical characteristics and pinout configuration. Ensure the MSOP-E-8 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest certification records before finalizing procurement specifications.

Selection Notes

Select this component when designing circuits that require driving N-channel MOSFETs at voltages exceeding standard logic levels. The integrated high-side driver eliminates the need for external bootstrap circuits in certain topologies. Evaluate the 3 A output current capability against the total gate charge of the target MOSFETs to ensure adequate switching performance without excessive thermal dissipation.

Part Context

This part belongs to the LTC4444 series of high-voltage MOSFET drivers from Analog Devices. The series is designed to simplify the implementation of synchronous rectifiers in power supplies. The EMS8E-5 variant specifically denotes the MSOP-E-8 package and the associated electrical parameters defined in the product datasheet.

Replacement Considerations

Consult the Analog Devices cross-reference guide for verified substitute part numbers. Ensure any replacement maintains the 100 V input rating and compatible MSOP-E-8 footprint.