LTST-S220UBKT Optoelectronics

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LED Indication - Discrete

The LTST-S220UBKT is a discrete LED powered device, typically used for visual indication. It features an internal IC for improved performance, an ultra-bright orange diffused lens and a yellow surface mount device (SMD) package. The device is designed for board level mounting and is widely used in consumer and industrial electronics, from appliances to computers.

Application

The LTST-S220UBKT LED has been designed to provide reliable and consistent illumination for a variety of applications. It can be used for visual notifications or for task illumination. It can also provide an intuitive interface in applications such as machines, where a flashing LED can indicate a certain type of operation. The LED can also be programmed to operate in a cyclic mode with a programmable ‘OOFF’ cycle. This can be used to indicate power status, system alerts and provide feedback to the user.

Working Principle

The LTST-S220UBKT LED uses an internally integrated driver circuit which provides the device with a wide current range. This allows the LED to operate in a variety of applications, with an adjustable current range of 15mA–350mA. The built-in driver circuit also gives the device better power efficiency, allowing it to operate at a wide range of input voltages from 4.5V to 20V.

When power is applied to the device, its internal driver circuit offers two main functions. It converts the input voltage to a suitable current to achieve a consistent and even illumination. It also features an inrush control circuit that protects the device from low input voltage and/or sudden high current spikes.

The LTST-S220UBKT LED is designed for use with high-powered resistors. The built-in driver circuit reduces the voltage drop across the resistor, resulting in more stable operation. The LED is also designed to automatically dim in proportion to the current flowing through the resistor. This ensures that the LED will not have any extra power consumption with increasing current.

Conclusion

In conclusion, the LTST-S220UBKT LED is an excellent choice for visual indication applications. Its integrated driver circuit offers improved reliability and efficiency, resulting in a wide range of input voltages and adjustable current levels. Its wide range of applications and intuitive design make it a great choice for a variety of applications.

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