TLP2767(E

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The TLP2767 optoisolator is part of Toshiba’s isolator series and is classified as a logic output optoisolator. It has an integrated LED and a phototransistor that are isolated from each other by an electrical insulator. The LED is driven by externally supplied voltage, while the current to the phototransistor output is regulated to enhance opto-coupler performance and quality.

This optoisolator works by using the current and voltage that are supplied to the LED to create a small current in the phototransistor which then feeds back, outputting a logic signal based on the current. The current is regulated using a control input on the device. The LED is activated by an external voltage, and the output from the optoisolator provides a signal with an on/off ratio of about 160-200V.

Applications for the TLP2787 optoisolator include supplying isolated logic signals to gate and logic drivers, monitoring the levels of logic signals, isolating logic signals from ground potential differences, and providing an interface between low voltage and high voltage circuits. It is also used for data communication, instrumentation, and industrial automation, and to provide a signal conditioner for various transmitters.

TLP2767 optoisolator is a reliable and cost effective solution for data transmission, circuit protection and isolation. Its high isolation voltage of 5000 VRMS provides an added layer of protection against overvoltage and other environmental conditions. Plus, the LED drive voltage can be set to as low as 1V, so there’s no need for complex external power supplies. The TLP2787 also features a low pulled in current of only 5µA, enabling low quiescent power.

The optoisolator also features an output driver current of 200mA, bandwidth of 3kHz, and a rise/fall time of 15µs. This makes it suitable for high-speed communication applications. In addition, the LED life and isolation are rated for 500V/µs, meaning the device is built to last.

The TLP2787 optoisolator can be used as an interface between circuits with different potentials and logic levels, and to isolate signals for safety and performance reasons. It is also frequently used in instrumentation, industrial automation, and data communication, due to its low jitter and bandwidth. Plus, its low quiescent power enables it to be used in battery-powered applications. All in all, the TLP2787 optoisolator provides a reliable and cost-effective solution for data transmission, circuit protection, and isolation.

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