ACPL-824-300E

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Optoisolators allow two different circuits to communicate while maintaining electrical isolation between them. They can be used in a variety of applications, and have many types with different output and input configurations. The ACPL-824-300E is a transistor with a photovoltaic output optoisolator. It is used for general purpose switching, and has a wide variety of applications where input to output isolation is required.

The ACPL-824-300E is in a special opto-coupler package, with multiple pins offering DC and AC input and output. Out of the two outputs, one is an open-collector output, and the other an inverted output. The output of the ACPL-824-300E can source and sink up to 30 mA of current with a maximum voltage of 30 V. The maximum frequency of the device is 200 kHz, and the typical fall time is 2 μs.

The working principle of the ACPL-824-300E can be understood by looking at its schematic. The device is made up of two main components, the input opto device and the output transistor. The input is an infrared LED (IRED) which emits light when bias current is applied. The output is an NPN phototransistor which turns on when exposed to the LED\'s light. The output circuit is designed to ensure electrical isolation between the input and output circuits.

The NPN transistor is the key component of the ACPL-824-300E. When light hits the phototransistor, it changes its resistivity and turns on. This allows current to flow from emitter to collector, allowing the output circuit to be activated. The NPN transistor also allows the optoisolator to switch between AC and DC inputs.

The ACPL-824-300E can be used in a wide range of applications, including driving a lamp, detecting the motion of IR beams, and switching relay coils. It is also well suited for isolation between AC and DC circuits, as well as for providing signal isolation between high and low potential source circuits. In addition, this optoisolator can be used as a level shifter due to its flexible input and output range.

In summary, the ACPL-824-300E is a transistor with a photovoltaic output optoisolator. It is used for general purpose switching and provides electrical isolation between the input and output circuits. The output of the optoisolator can source and sink up to 30 mA of current with a maximum voltage of 30 V. The ACPL-824-300E is well suited for a wide range of applications, including driving a lamp, detecting the motion of IR beams, and switching relay coils.

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