LTC4440AIMS8E-5#TRPBF

Overview

The LTC4440AIMS8E-5#TRPBF is a high-speed, high-voltage N-channel MOSFET high-side gate driver manufactured by Analog Devices Inc. It operates with an input voltage range of 6.5V to 80V and supports supply voltages from 4V to 15V. The device delivers peak output currents of 2.4A for both sourcing and sinking. Typical switching characteristics include rise and fall times of 10ns and 7ns respectively. It functions within an ambient temperature range of -40°C to +85°C and is housed in an MSOP-E-8 package.

Feature Summary

• Provides high-side driving capability for N-channel MOSFETs with support for input voltages up to 80V.
• Features fast switching performance with typical rise and fall times of 10ns and 7ns.
• Includes internal bootstrap diode to simplify external component count and board space requirements.

Applications

• High-side switching in DC-DC buck converters
• Motor control circuits requiring high-side drive
• Power management systems utilizing N-channel MOSFETs

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm that the A-grade designation meets the required operating temperature range of -40°C to +85°C for your application environment. Ensure compatibility with the MSOP-E-8 footprint during PCB layout. Cross-reference the datasheet for any recent pinout or electrical specification updates before finalizing procurement.

Selection Notes

Select this component when driving N-channel MOSFETs in high-side configurations with input voltages exceeding standard logic levels. The device is suitable for applications requiring fast switching speeds and high peak current drive capabilities. Consider the MSOP-E-8 package size constraints and thermal dissipation requirements relative to the expected duty cycle and ambient conditions.

Part Context

This part belongs to the LTC4440 family of high-side gate drivers designed for efficient power switching. It integrates necessary bootstrapping circuitry to drive the gate above the source potential. The series is commonly used in industrial and automotive power supplies where reliable high-side control of N-channel devices is required.

Replacement Considerations

Direct substitutes may include other parts from the LTC4440 family such as the LTC4440EMS8E-5#TRPBF or LTC4440IS6 variants, depending on package and temperature grade requirements. Verify pin compatibility and electrical specifications before substitution.