LTC4444IMS8E-5#PBF

Overview

The LTC4444IMS8E-5#PBF is a high-voltage synchronous N-channel MOSFET driver manufactured by Analog Devices. It integrates two drivers in an MSOP-E-8 package, supporting high-side and low-side configurations with a maximum input voltage of 100 V. The device operates on a supply voltage range of 7.2 V to 13.5 V, delivering a peak output current of 3 A. Key electrical parameters include a propagation delay of 60 ns, rise time of 80 ns, and fall time of 50 ns. It functions within a temperature range of -40°C to +125°C and consumes 320 µA of quiescent current.

Feature Summary

• Integrates high-side and low-side gate drivers for synchronous N-channel MOSFET control
• Supports high-voltage inputs up to 100 V for robust switching applications
• Features fast switching characteristics with minimal propagation delay
• Operates with low quiescent current for efficient power management

Applications

• High-voltage synchronous rectification circuits
• Power factor correction (PFC) stages
• DC-DC converter topologies requiring isolated or floating gate drive
• Industrial motor control systems

Procurement Notes

Verify the specific suffix E-5 against official Analog Devices documentation to confirm pinout and functional compatibility. Ensure the MSOP-E-8 package footprint matches the target PCB design. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Selection Notes

Select this component when designing circuits requiring integrated high-side and low-side driving for N-channel MOSFETs under high-voltage conditions. The 3 A output capability suits moderate-power applications. Consider the 100 V input rating for systems exceeding standard logic levels. Evaluate thermal performance within the specified -40°C to +125°C operating range for industrial environments.

Part Context

This part belongs to the LTC4444 series of high-voltage MOSFET drivers from Analog Devices. It is designed to simplify the implementation of synchronous rectifiers and high-side switches. The IMS8E-5 designation indicates the specific package variant and internal configuration within the broader product family.

Replacement Considerations

Consult Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains the 100 V input rating and MSOP-E-8 package compatibility.