LED7708 Application Field and Working Principle

PMIC - LED Drivers

LED7708 is a high-efficiency LED driver integrated circuit (IC) designed for driving light-emitting diodes (LEDs). It is a high-efficiency and cost-effective LED driver solution which offers a wide range of features and high performance, making it suitable to drive various types of LEDs. It is an easy-to-use and flexible product, especially suitable for multiple applications.

Application Field

LED7708 is an ideal solution for driving high power LEDs in applications such as automotive and general lighting, television background lighting and traffic signals. It can also be used in LED-based decorative lighting, electronic signs, and other LED-based display systems. LED7708 is energy efficient and provides continual brightness of LED without need of fluctuation.

Working Principle

The LED7708 works by controlling the on and off times of the current flowing through the LED. This is achieved by using a Pulse Width Modulation (PWM) control, which utilizes the existing voltage supply in the system, thus providing higher efficiency and better brightness control. The internal control circuit of the LED7708 is designed to ensure that the current is coming from the voltage supply. This ensures that the current is delivered constantly and evenly over the lifetime of the device.

The LED7708 is further equipped with an adjustable PWM frequency, which is adjustable from 50 Hz to 5 kHz, and adjustable output current limits. This makes it suitable for driving more than one LED in parallel, thus providing more brightness and better light uniformity. It also supports voltage feedback control and a variety of thermal protection functions to ensure the best performance.

Conclusion

The LED7708 is an sophisticated, energy efficient and cost effective IC that provides an excellent solution for driving LEDs in various applications. With many features like adjustable PWM frequency, adjustable output current limits, voltage feedback control and a variety of thermal protection functions, it can be used in a wide range of applications. It is an ideal solution for applications requiring high power LED driving.