TLP5751H(LF4,E

Isolators - Gate Drivers Overview

The TLP5751H(LF4,E is a single-channel optically isolated gate driver manufactured by Toshiba Semiconductor and Storage. It integrates an infrared LED with a high-gain, high-speed photodetector IC in a SO-6L stretched package. The device provides 5000 Vrms insulation voltage between input and output circuits. 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 and operates within a temperature range of -40°C to +125°C. The unit features rail-to-rail output capability and has a power dissipation rating of 810 mW.

Isolators - Gate Drivers Feature Summary

• Provides high-voltage isolation of 5000 Vrms between input and output channels for safe signal transmission.
• Integrates an infrared LED with a dedicated high-gain photodetector IC for optimized optical coupling efficiency.
• Features rail-to-rail output architecture to ensure robust drive signals for power switching devices.
• Designed for high-speed operation with low propagation delay and fast rise/fall times.

Isolators - Gate Drivers Applications

• Gate driving for IGBT modules in industrial motor drives
• Gate driving for MOSFETs in power supply converters
• Isolated control interfaces in inverter systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix LF4,E against the manufacturer's latest datasheet to confirm pinout compatibility and packaging specifications. Ensure that the required operating temperature range up to 125°C aligns with the thermal design of the target application. Confirm that the 5000 Vrms isolation rating meets the safety standards required for the intended circuit topology. Cross-reference the SO-6L package dimensions with PCB layout constraints prior to finalizing component selection.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation with rail-to-rail output is required for driving power semiconductors. The integrated photodetector IC offers superior performance compared to discrete phototransistor solutions. Consider the 150 ns maximum propagation delay for timing-sensitive applications. The wide operating temperature range makes it suitable for demanding industrial environments where thermal stability is critical for reliable gate drive performance.

Isolators - Gate Drivers Part Context

This part belongs to the TLP5751H series of optically isolated gate drivers from Toshiba. It is distinct from the standard TLP5751 model primarily by its extended operating temperature range and specific packaging configuration. The series is designed to replace traditional discrete optocoupler and driver combinations, offering a compact solution for modern power electronics. It falls under the category of PMIC and Optocouplers in Toshiba's product portfolio.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify direct replacements only through official Toshiba cross-reference lists or authorized distributor substitution tools. Do not assume functional equivalence with other models in the TLP57xx family without explicit datasheet confirmation regarding pinout and electrical characteristics.