TLP250H(LF1,F)

Logic Output Optoisolators Overview

The TLP250H(LF1,F) is a logic output photocoupler manufactured by Toshiba Semiconductor and Storage. It features a GaAlAs infrared LED optically coupled to an integrated high-gain, high-speed photodiode array with a push-pull output stage. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum propagation delay of 500 ns, rise and fall times of 50 ns each, and a continuous output current capability of 2.5 A. It operates within a temperature range of -40°C to +125°C and is housed in an 8-pin DIP SMD package.

Logic Output Optoisolators Feature Summary

• Integrated push-pull output stage for direct gate driving
• High common-mode transient immunity of 40 kV/µs
• Wide operating temperature range up to 125°C
• Certified safety standards including UL, CSA, and VDE

Logic Output Optoisolators Applications

• IGBT gate drivers
• MOSFET gate drivers
• Inverter circuits
• Power supply feedback loops

Logic Output Optoisolators Procurement Notes

Verify the specific suffix LF1 against the manufacturer's datasheet to confirm pin configuration and packaging details. Ensure the component meets required safety certifications such as UL 1577 or VDE EN60747-5-5 for your application. Cross-reference the 8-SMD gull-wing package dimensions with your PCB footprint library to guarantee mechanical compatibility before finalizing procurement.

Logic Output Optoisolators Selection Notes

Select this component when high-speed switching and robust noise immunity are required for power electronics. The 2.5 A peak output current supports direct driving of medium-power IGBTs and MOSFETs without additional buffer stages. Consider the 3750 Vrms isolation rating for applications requiring significant potential difference between control and power circuits. Evaluate the 50 ns transition speeds against system timing constraints.

Logic Output Optoisolators Part Context

This part belongs to the TLP250H series of high-speed logic output photocouplers. It is designed to replace older discrete optocoupler solutions by integrating the driver circuitry on-chip. The series is widely used in industrial motor drives and renewable energy inverters where reliability and fast response times are critical for efficient power conversion and system protection.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.