LTC4444MPMS8E

Overview

The LTC4444MPMS8E is a high-voltage synchronous N-channel MOSFET driver designed for high-side and low-side applications. It operates with a supply voltage range of 7.2 V to 13.5 V and supports input voltages up to 100 V. The device features two drivers with a peak output current of 3 A. Electrical characteristics include a maximum propagation delay of 60 ns, an rise time of 80 ns, and a fall time of 50 ns. It functions within a temperature range of -55°C to +150°C and utilizes CMOS logic.

Feature Summary

• Supports high-side and low-side N-channel MOSFET driving with integrated bootstrap functionality
• Provides independent control inputs for precise timing management in power conversion circuits
• Features robust protection mechanisms including under-voltage lockout and shoot-through prevention

Applications

• High-frequency DC-DC converters
• Synchronous rectification in power supplies
• Motor control systems requiring high-side switching

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required military-grade specifications. Request official datasheets and test reports to validate performance against industry standards before integration into critical systems.

Selection Notes

Select this component when designing circuits requiring high-voltage isolation and fast switching speeds. Ensure the operating environment stays within the specified -55°C to +150°C range. Verify that the input signal levels are compatible with the CMOS logic interface and that the bootstrap capacitor values support the required duty cycle.

Part Context

This part belongs to the LTC4444 series of gate drivers from Analog Devices. It is specifically engineered for demanding power electronics applications where reliability and speed are paramount. The MSOP-8 package provides a compact solution for space-constrained designs while maintaining thermal performance.

Replacement Considerations

LTC4444IMS8E#PBF is a commercial grade alternative with similar electrical characteristics but a different operating temperature range.