HCPL-5230

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HCPL-5230 is an optoisolator designed to provide an isolated logic output in response to a logic level input signal.It is the first optoisolator to provide both galvanic isolation and protection against voltage transients up to 7000 V DC. The device uses solid-state optoelectronic technology, which provides excellent input-output isolation. It has a low on/off threshold of 1.5 V and will tolerate input voltages up to 28 V. In addition, the HCPL-5230 features an internal output transistor that provides a logic output when the logic input is “high”. It is available in a compact SOP package with either a 5 or 6 pin configuration.

The HCPL-5230 is ideal for a wide variety of applications, including communications, industrial control, and medical instrumentation. It can be used as an input logic buffer or to provide input isolation for logic circuits. The logic input is capable of driving transformer coupled inputs. The device also provides voltage transient protection for digital signal lines and can be used to provide isolation between multiple grounds.

The working principle of the HCPL-5230 is based on a common optoisolator configuration, where a light-emitting diode (LED) is used to sense a logic signal and an integrated photoreceiver is used to provide a logic output signal. The LED is biased through a current limiting resistor and is triggered by an external logic signal. When the LED is activated, it triggers the photodetector, which in turn controls the output transistor. This configuration provides excellent voltage and transient isolation, as well as overall performance.

The HCPL-5230 is protected against input overvoltages up to ±30 V DC. The device also features an integral output transistor, which ensures that the logic output is driven to a “high” state when the logic input is “high”. The output transistor provides a low-impedance output which can be used to drive a wide variety of external circuits. The device also solves potential ground loop problems between isolated grounds.

The HCPL-5230 is the perfect optoisolator for applications requiring an isolated logic output in response to a logic level input signal. It provides both galvanic isolation and protection against voltage transients. The device is available in a compact SOP package with either 5 or 6 pins. It is the ideal choice for applications where space is limited and performance is critical.

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