The recommended operating voltage range for the TLP621 is 4.5V to 30V.
To ensure proper biasing, connect a 1kΩ to 10kΩ resistor between the VCC pin and the anode of the optocoupler, and a 1kΩ to 10kΩ resistor between the cathode of the optocoupler and the GND pin.
The maximum current rating for the TLP621 is 50mA.
To ensure ESD protection, use a TVS diode or a zener diode with a voltage rating higher than the maximum operating voltage of the TLP621, and connect it between the VCC pin and the GND pin.
The typical propagation delay time for the TLP621 is 2μs.
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TLP621 Overview
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