The TLP666LF is a high-speed, logic gate photocoupler from Toshiba Semiconductor and Storage. It incorporates a GaAlAs infrared light-emitting diode (LED) and a high-speed photodetector. It offers enhanced isolation and high-speed data transmission capabilities.

Applications

• Programmable Logic Controllers (PLCs)
• Inverter Circuits
• High-Speed Digital Interfacing
• Measurement and Control Equipment
• Power Supplies

Features

• High-speed operation: 10 Mbps (typical)
• Guaranteed performance from temperature: -40 to 100°C
• Low input current: IF = 5 mA (max)
• Supply Voltage: 3 to 5.5 V
• Common-mode transient immunity: ±20 kV/μs (typical)
• Creepage distance: 8.0 mm (min)
• Clearance: 8.0 mm (min)
• Insulation thickness: 0.4 mm (min)

Benefits

• Facilitates high-speed data transfer with minimal signal distortion.
• Ensures reliable operation in industrial environments with a wide temperature range.
• Reduces power consumption in the input circuit.
• Offers compatibility with various digital logic systems.
• Provides excellent noise immunity, preventing spurious signals from affecting data transmission.
• Enhances safety and electrical insulation in high-voltage applications.

Additional Details

The TLP666LF is available in an SO6 package. It is compliant with UL, cUL, and VDE safety standards. The internal insulation thickness ensures reinforced insulation. The isolation voltage is 5000 Vrms. The typical propagation delay time is approximately 7 ns. This photocoupler is suitable for applications requiring high speed, high reliability, and reinforced isolation. It is used to isolate sensitive control circuits from high-voltage power circuits in industrial equipment and power supplies.