LTV-715FM

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The LTV-715FM optoisolator is a transistor, photovoltaic output device designed to optically couple a control signal into the base circuit of an NPN transistor. The LTV-715FM consists of an infrared emitting diode (IRED) coupled with a photo-voltaic cell. The optoisolator provides electrical isolation between two circuits operating at different voltages while providing highly reliable signal transmission.

The optoisolator offers direct electrical isolation between the input and output manifolds. The input side of the optoisolator requires an externally applied voltage, referred to as the input line voltage. The output side of the optoisolator is coupled to an NPN transistor with a collector to emitter saturation voltage (Vce(cl)) of 1.5V or less. The collector and emitter of the NPN transistor are electrically isolated from each other by the photo-voltaic cells.

The working principle of the optoisolator consists of the emission of photons from the IRED which are then detected by the photo-voltaic cell. The photo-voltaic cell generates an electrical signal which is then coupled to the base circuit of the NPN transistor. The output transistor then amplifies the signal and switches the device. The output transistor is biased in the saturation region by providing a reverse bias to the base-emitter junction.

The optoisolator can be used in a variety of applications including digital logic levels, semiconductor switching circuits, signal delay circuits, current sensing circuits, and relay drivers. The optoisolator is also used as a voltage detector, transformer and relay protection device, as well as for powering LED lighting. The LTV-715FM is an efficient and highly reliable optoisolator that can significantly reduce the risk of damaging sensitive electronics.

The optoisolator is ideal for applications where noise immunity, isolation, and low power consumption are needed. The device operates at a temperature range from -40° to +85°C which makes it suitable for a wide range of applications, indoors or outdoors. Furthermore, the device is compact and features fast response time which makes it a perfect fit for space-constrained applications. And since the LTV-715FM operates at low voltage, the device is highly suitable for use in telecommunication systems, robotics, automotive and medical equipment.

In conclusion, the LTV-715FM optoisolator is a practical device for a wide range of applications due to its excellent noise immunity, electrical isolation, fast response time, low power consumption, and low voltage operation. The device provides an efficient and reliable way of optically coupling a control signal into the base circuit of an NPN transistor, while also offering a host of other advantages. The optoisolator is guaranteed to be an effective tool for any type of circuitry involved in digital logic, semiconductor switching, signal delay, transformer and relay protection, LED lighting, and more.

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