HCPL-3760-360E

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Optoisolators are interfaces that help to electrically isolate two elements. By using a transfer of light pulses, optoisolators are able to increase immunity to electrical noise, reduce errors caused by common-mode voltages, and help to provide more reliable data transmissions. The HCPL- 3760- 360E is an optoisolator with transistor, photovoltaic output and offers high performance in hazardous environments.

The optoisolator contains a light emitting diode (LED), which is excited when a voltage is applied to the input. Along with the LED, an integrated phototransistor is contained within the package, but separated via a diode. This diode prevents current from passing between the two elements. Since there is no direct electrical connection between the LED and phototransistor, a high degree of galvanic isolation is provided. As a result, when power is applied to the LED, the diode blocks the current but the light output is transmitted across the gap, exciting the phototransistor. The phototransistor then tests the light output to see if it is sufficiently strong enough to switch on the transistor.

The HCPL- 3760- 360E has a low input current of 1.4mA, low input-to-output capacitance of 4pF, and a wide common-mode transient immunity range of up to 150 kV/µs. Additionally, the output transistor has a maximum collector current of 60 mA and a transfer ratio of 0.5 V/µA. The output transistor can be used to drive a number of devices, including MOSFETS, IGBTs, relays, buzzers, and solenoids. In addition to that, the HCPL- 3760- 360E offers protection against negative transients up to -20V and withstands soldering temperatures up to 260°C. Therefore, it is suitable for use in a wide range of applications, such as automotive, motor control, communications, and industrial automation applications.

In applications involving circuit protection, the HCPL- 3760- 360E has a built-in protection circuit that can protect up to a 5V input. This input-to-input isolation device features an SCR and self-compensating hysteresis circuitry to detect over-voltage conditions. The SCR provides Good clamping performance to protect electrics from hazardous voltages and currents, while the self-compensating hysteresis circuit helps to maintain the output signal even under severe conditions. As an added benefit, the HCPL- 3760- 360E also offers high common-mode transient immunity and protection against EFT/ESD.

The HCPL- 3760- 360E is an ideal solution for applications requiring high performance and protection from electrical disturbances. Its low input current, high input-to-output capacitance, reliable optoisolation, and built-in protection circuit make it well suited to a wide range of applications. In addition, its wide common-mode transient immunity range and withstanding temperature up to 260°C make it suitable for hazardous environments. Therefore, the HCPL- 3760- 360E is the perfect choice for applications requiring reliable data transmission in hazardous environments.

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