TLP5751(D4-LF4,E

Isolators - Gate Drivers Overview

The TLP5751(D4-LF4,E is a single-channel optically isolated gate driver manufactured by Toshiba Semiconductor and Storage. It integrates an AlGaAs LED with a high-speed photodetector and output stage to drive IGBTs or MOSFETs. Key electrical parameters include a forward voltage of 1.55 V, reverse voltage of 5 V, and maximum forward current of 20 mA. The device offers 5000 Vrms insulation voltage and operates within a temperature range of -40°C to +110°C. Propagation delay is typically 150 ns, with rise and fall times of 15 ns and 8 ns respectively. Power dissipation is rated at 40 mW for the LF4 variant.

Isolators - Gate Drivers Feature Summary

• Provides high-voltage isolation between control circuits and power switching devices
• Integrates high-speed photodetection for rapid signal transmission
• Designed specifically for direct driving of IGBT and MOSFET gates

Isolators - Gate Drivers Applications

• IGBT gate drive circuits in industrial inverters
• MOSFET switching applications in power supplies
• Solid-state relay (SSR) output stages

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm pinout and electrical characteristics, as variations exist within the TLP5751 series. Ensure the ordering information matches the required package type and lead time requirements. Cross-reference the RoHS status and environmental compliance documents provided by Toshiba Semiconductor and Storage prior to final procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel gate driver with 5000 Vrms isolation is required. Compare propagation delay and peak output current specifications against system timing constraints. Consider the SOIC-6 package dimensions for PCB layout compatibility. Evaluate thermal performance based on the specified power dissipation limits under expected operating conditions.

Isolators - Gate Drivers Part Context

This part belongs to the TLP5751 series of optocouplers designed for gate driving applications. It shares the same functional architecture as other variants in the family but differs in specific electrical ratings and packaging options. The series is intended for use in environments requiring reliable electrical isolation between low-voltage control logic and high-voltage power stages.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs before considering alternative components from other manufacturers.