LTC4440AHMS8E-5#TRPBF

Overview

The LTC4440AHMS8E-5#TRPBF is a high-speed, high-voltage N-channel MOSFET gate driver designed for high-side switching applications. It operates with an input supply voltage range of 4V to 15V and supports bootstrap voltages up to 80V. The device features non-inverting logic inputs compatible with 1.3V and 1.6V thresholds. It provides peak output currents of 2.4A source and sink, with typical rise and fall times of 10ns and 7ns respectively. Operating temperature ranges from -40°C to 85°C in an 8-pin MSOP package.

Feature Summary

• High-side gate driver optimized for driving N-channel MOSFETs in high-voltage environments
• Capable of supporting bootstrap operation up to 80V for floating high-side control
• Features fast switching performance with low propagation delay for high-frequency applications
• Includes robust protection mechanisms against shoot-through and latch-up conditions

Applications

• High-side switching in DC-DC buck converters
• Motor control circuits requiring high-side drive
• Power management systems utilizing bootstrap topologies
• Industrial automation power stages

Procurement Notes

Verify the specific suffix E-5 corresponds to the intended electrical characteristics and pinout configuration before integration. Confirm that the AMS8E package variant matches your PCB footprint requirements. Ensure the operating temperature grade aligns with your system's thermal design constraints. Cross-reference the datasheet revision date to ensure compatibility with existing reference designs.

Selection Notes

Select this component when a compact high-side driver is required for N-channel MOSFETs with bootstrap supplies exceeding standard levels. The 80V bootstrap rating allows for higher bus voltages compared to lower-rated drivers. Consider the 2.4A peak current capability for driving larger gate charges efficiently. Verify input logic voltage compatibility with your microcontroller or controller IC.

Part Context

This part belongs to the LTC4440 family of high-voltage gate drivers from Analog Devices. It is functionally similar to the LTC4440AIMS8E-5#PBF but differs in packaging and tape-and-reel format. The series is designed for applications requiring reliable high-side switching with minimal external components. It complements other Analog Devices power management solutions like the LTC7068 and LT8418.

Replacement Considerations

The LTC4440AIMS8E-5#PBF is a documented alternative within the same family, offering identical electrical specifications in a tube package. Verify pin-to-pin compatibility and package dimensions before substitution. No other direct cross-model replacements are confirmed in public documentation.