TLP250HF(LF4,F)

Logic Output Optoisolators Overview

The TLP250HF(LF4,F) is a high-performance unidirectional optoisolator manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide light-emitting diode with an integrated photodetector IC to provide IGBT gate drive capabilities. The device features a push-pull output configuration capable of delivering a maximum continuous output current of 2.5 A. It offers a high isolation voltage of 3750 Vrms and operates within a supply voltage range of 10 V to 30 V. The component is housed in an 8-pin DIP package.

Logic Output Optoisolators Feature Summary

• Integrated push-pull output stage for direct IGBT and power MOSFET gate driving
• High insulation voltage rating of 3750 Vrms for robust signal isolation
• Fast switching characteristics with rise and fall times of 50 ns
• Compliant with international safety standards including UL and VDE certifications

Logic Output Optoisolators Applications

• IGBT gate driver circuits
• Power MOSFET gate driver circuits
• Inverter systems
• Air conditioner inverters

Logic Output Optoisolators Procurement Notes

Verify the specific suffix LF4 against the manufacturer's datasheet to confirm compliance with relevant safety certification requirements, such as VDE DIN EN 60747-5-2. Ensure the ordering part number matches the required package type and lead-free specifications. Cross-reference the manufacturer number with official Toshiba documentation to avoid confusion with similar variants in the TLP250H family.

Logic Output Optoisolators Selection Notes

Select this component when high-speed switching and high isolation voltage are required for power electronics applications. The integrated push-pull output eliminates the need for external pull-up resistors, simplifying circuit design. Consider the 3750 Vrms isolation rating for applications requiring strict galvanic isolation between control and power stages. Verify that the 2.5 A output current capability meets the gate charge requirements of the target IGBT or MOSFET.

Logic Output Optoisolators Part Context

This component belongs to the TLP250H series of logic output photocouplers designed specifically for driving high-power semiconductor switches. Unlike standard optocouplers, these devices integrate a dedicated output stage to handle higher currents and provide faster response times. The series is widely used in industrial motor drives and power conversion equipment where reliable isolation and fast switching are critical.

Logic Output Optoisolators Replacement Considerations

Direct replacements include other Toshiba TLP250H variants such as TLP250H(F) or TLP250H(TP1,F), provided the specific safety certification suffixes match the application requirements. Verify pinout compatibility and electrical parameters before substitution.

Logic Output Optoisolators FAQ

What is the maximum continuous output current of the TLP250HF(LF4,F)?

The maximum continuous output current is 2.5 A.

Does the TLP250HF(LF4,F) support VDE certification?

Yes, the LF4 suffix indicates compliance with VDE DIN EN 60747-5-2 standards.

What is the typical rise and fall time for this device?

The typical rise and fall times are both 50 ns.