LDU5660S600

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LED drivers are devices mainly used in lighting applications. They provide precise control and protection of the LED at the various stages of powering the LED. In this article, we will explore the application field and working principle of LDU5660S600 – a type of LED driver.

Applications
LDU5660S600 is a specialized LED driver with a high integration for two output channels. It supports single-current-mode constant current and constant voltage output at two different voltage levels. The main applications of LDU5660S600 include indoor lighting, outdoor lighting and photosensitive lighting. The two output channels are commonly used in applications requiring multiple LED current sources with different voltage levels. It is also suitable for applications with dimmable and adjustable luminance.

Working Principle
LDU5660S600 operates in a constant current mode in which the LED driver adjusts the LED current level by varying the LED voltage according to the LED current feedback. The LED current and voltage are adjusted by controlling the duty cycle of the pulse width modulation (PWM) signal that is used to drive the LEDs. In addition, this LED driver supports a dimmable feature in which the LED current level can be adjusted using the external control signal. The external control signal can be either an analog input signal or digital signal.

Besides these adjustable and dimmable features, LDU5660S600 also provides a number of protections for the LED. These protection features include LED short-circuit protection, LED open-circuit protection, LED over-temperature protection, LED overvoltage protection, LED undervoltage protection, LED overcurrent protection, LED power-on reset and LED thermal-shutdown protection.

In summary, LDU5660S600 is a high-performance LED driver specifically designed for two-channel applications with varying voltage levels. The two output channels enable the applications with dimmable and adjustable luminance. The design also integrates numerous protection features for the LED. It is a cost-efficient solution for various lighting applications.

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