LYT3315D

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LYT3315D is a unique product that fits in the PMIC – LED Drivers category. Despite its small size, this product packs a powerful punch when it comes to providing efficient control over a wide range of application fields. As an integrated voltage regulator with built-in external current sensing, LYT3315D features wide range (48V ~ 100V) of input voltage operation and its output can be configured for ideal current levels ranging from 10mA to 300mA with minimal or no external components.

LYT3315D is primarily designed for applications where external sensed current loop is needed for LED dimming. LED dimming can be achieved both using analog interface (through pulse-width modulation, or PWM) or digital interface (through I2C, serial ports, or other proprietary communication protocols). LYT3315D not only provides an accurate current loop sensing but also a precise current regulation with very low noise type AC ripple. In addition, LYT3315D also offers a wide range of protections and error handling capabilities that are essential for reliable operation.

The working principle behind the LYT3315D can be explained in terms of an integrated voltage regulator and external current sensing. The voltage regulator consists of a voltage reference, an error amplifier, and two power switches which are used to regulate the input voltage. The error amplifier receives a feedback signal from the output of the regulator, compares it with its reference voltage, and adjusts the output voltage accordingly. This process is then repeated until the desired output voltage is achieved.

The external current sensing requires additional access to the load which is connected to the output of the regulator. Here, a sense resistor is inserted in the load path and its resistance is then translated into an equivalent voltage. This sensed voltage is fed back to the error amplifier and, when a set threshold is reached, the voltage regulator adjusts its output to keep the current steady.

With such flexibility and advanced features, LYT3315D is suitable for a wide variety of application fields. It can be used in applications such as LED lighting systems, automotive lighting systems, industrial lighting systems, and many more. LYT3315D also offers a wide range of protection and operating modes that help to ensure reliable operation, resulting in increased safety and system reliability.

In conclusion, the LYT3315D is an ideal PMIC LED Driver for applications where external current sensing and accurate regulation are required. It features a wide range of input voltage operation, adjustable current levels, and provides precise current regulation and an extensive range of protection and error handling capabilities. All these features make the LYT3315D a perfect choice for applications in LED lighting systems, automotive lighting systems, industrial lighting systems, and many more.

The specific data is subject to PDF, and the above content is for reference