LTC4440IS6#TRMPBF

Overview

The LTC4440IS6#TRMPBF is a high-speed, high-voltage N-channel MOSFET gate driver designed for demanding power conversion 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, ensuring reliable interfacing with various control signals. It delivers peak output currents of 2.4A for both sourcing and sinking, enabling fast switching transitions with typical rise and fall times of 10ns and 7ns respectively. Packaged in a compact TSOT-23-6 surface-mount format, it functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports high-side driving of N-channel MOSFETs with bootstrap voltages reaching 80V
• Delivers robust 2.4A peak source and sink current capability for rapid switching
• Features low-voltage compatible logic thresholds for flexible control integration

Applications

• High-frequency synchronous buck converters
• Isolated DC/DC converter topologies
• Motor drive gate drivers

Procurement Notes

Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free status. Ensure the ordering part number matches the exact electrical grade and package variant required for the design. Cross-reference the manufacturer datasheet for any recent updates regarding pinout configurations or thermal characteristics before finalizing procurement.

Selection Notes

Select this component when a single-channel high-side driver is required in a minimal footprint. It is suitable for designs needing fast switching speeds with moderate current drive capabilities. Consider the 80V bootstrap limit and 15V maximum VCC constraint during circuit planning. Evaluate thermal performance requirements given the small TSOT-23-6 package size for high-power applications.

Part Context

This part belongs to the LTC4440 family of high-voltage gate drivers from Analog Devices. It is specifically engineered for driving N-channel MOSFETs in high-side configurations where space is constrained. The IS6 designation indicates the industrial temperature range and the S6 package type. It complements other drivers in the portfolio by offering a balance of speed, voltage rating, and compact packaging for efficient power stage implementation.

Replacement Considerations

Direct substitutes include the LTC4440ES6-5#TRPBF, which shares similar functional characteristics but may differ in specific electrical tolerances or packaging details. Verify compatibility with existing PCB footprints and ensure that any alternative meets the same voltage and current specifications.