HCPL-2503#320

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Optoisolators, also commonly referred to as opto-couplers or opto-isolators, provide electrical isolation between two or more circuits while allowing information to be transferred from one to another. Such isolation prevents electrical ground loops and high voltage surges from damaging the system. Among all the optoisolators, the HCPL-2503#320 optoisolator series is especially applicable for protecting low to medium power I/O interfaces.

The HCPL-2503#320 optoisolator belongs to the Transistor, Photovoltaic Output category. It features a surface mount compact 5-pin package to provide high reliability and good thermal performance. Its low input current/ voltage and fast response time makes it a great choice for remote switching and power runs applications. The HCPL-2503#320 also offers high isolation voltage of 3kVrms for 1 minute.

The working principle of the HCPL-2503#320 optoisolator involves two separate devices, one an input diode, and the other an output transistor. When an electrical signal is sent through the input diode, it converts the signal into a light energy. The light energy is then converted back to electrical energy by the output transistor, which creates the electrical isolation between the input source and the output. The diode and transistor are mounted at a proper distance within the same optoisolator package and oriented such that the light emitted by the diode strikes the base of the transistor.

The HCPL-2503#320 optoisolator features wide operating temperature range from -55°C to +125°C, making it suitable for various environmental applications. It has a total power dissipation capacity of 300mW maximum, an electrical isolation of 3kVrms, and a dc forward current of 5mA. The maximum output voltage swing is specified as ± 20V. This optoisolator has a solid-state switching speed of 4µs typical.

In the field of industrial automation, the HCPL-2503#320 optoisolator is used for motor speed control and reversing. Additionally, because of its ability to provide a secure electrical isolation, it is suitable for I/O expansion applications in collaborative robots or safety systems. In medical equipment applications, the HCPL-2503#320 is used to reduce noises in patient monitoring system and for other signal isolation applications in medical imaging and diagnostic devices. Moreover, it can also be used in printing control and power control applications.

The HCPL-2503#320 optoisolator is an ideal solution to protect low to medium power I/O peripherals from electrical destortions. Its fast response time and wide operating temperature range make it well-suited for industrial automation, medical equipment and printing control applications.

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