TLP5754H(LF4,E

Overview

The TLP5754H(LF4,E is a single-channel optically isolated gate driver manufactured by Toshiba Semiconductor and Storage. It integrates an infrared LED with a high-speed photodetector IC in a compact SO-6 Stretched package. The device provides robust electrical isolation with a rated insulation voltage of 5000 Vrms, enabling safe operation between low-voltage control circuits and high-power switching loads. Key electrical parameters include a maximum propagation delay of 150 ns, a rise time of 15 ns, and a fall time of 8 ns. It supports a forward current of 10 mA with a typical forward voltage of 1.55 V. The component operates within a temperature range of -40°C to +125°C and has a power dissipation rating of 810 mW.

Feature Summary

• Integrates an infrared LED and a high-speed photodetector IC for rapid signal transmission
• Provides high-voltage isolation capability suitable for demanding industrial environments
• Features a compact six-pin stretched SOIC package design

Applications

• IGBT gate drive applications
• MOSFET gate drive applications
• Industrial equipment control systems
• Home appliance motor drives

Procurement Notes

Verify the specific suffix LF4 against the manufacturer's official documentation to confirm pinout compatibility and environmental compliance status. Ensure that the required operating temperature range aligns with the specified -40°C to +125°C limit for your application environment. Confirm that the input current requirements do not exceed the 10 mA maximum rating to prevent device degradation or failure during operation.

Selection Notes

Select this component when high-speed switching performance is required alongside significant voltage isolation barriers. The narrow pulse width capability and fast rise/fall times make it suitable for high-frequency inverter circuits. Consider the thermal management requirements given the 810 mW power dissipation rating and the specific packaging constraints of the SO-6 Stretched form factor for PCB layout optimization.

Part Context

This device belongs to the TLP5754H series of gate drive couplers from Toshiba. These components are engineered specifically to replace traditional transformer-based isolation methods in power electronics. The series offers a balance of speed and isolation strength, targeting modern power conversion architectures where size reduction and reliability are critical design priorities for manufacturers.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-references directly with Toshiba Semiconductor and Storage technical support before implementation.