AL9910S-13 Integrated Circuits (ICs)

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The AL9910S-13 is a member of the Power Management IC (PMIC) - LED Drivers family. It is used to control the brightness and color of LED arrays, making it perfect for backlighting and display applications. The device features low-ripple current control, low-ripple voltage control, low-ripple load current, low-ripple switching frequency, low-ripple dim curve, and low-ripple PWM dimming. The AL9910S-13 also features a regulated output voltage that is adjustable with external resistors.

The AL9910S-13 is designed to provide high-efficiency, low-power consumption and low-noise operation for LED dimming applications. It has a wide operating voltage range, from 3.0V to 20V, and can be used for a variety of applications, including backlighting, displays, and architectural lighting.

The AL9910S-13 works by using a pulse-width modulation (PWM) dimming control circuit. In this circuit, the brightness of the LED array is regulated according to the quantity of the current pulses that can be controlled by the external resistor. The operating frequency of the PWM dimmer is set by an external capacitor, and the frequency is converted into an analog voltage. This voltage is compared with the voltage of an external resistor to determine the duty cycle of the current pulses.

The AL9910S-13 can be used to drive up to 16 LED strings in parallel. It supports both High-Power LED and Medium-Power LED strings. With its high efficiency and low ripple voltage of 6mVpp, the AL9910S-13 is a great choice for driving LED strings for backlighting and display applications.

The AL9910S-13 also features a built-in temperature compensation function. This function allows it to automatically adjust the LED current output in order to maintain consistent brightness levels regardless of the ambient temperature. This helps to maintain the desired color saturation and brightness while extending the lifetime of the LED array.

The AL9910S-13 is an ideal choice for those looking for a reliable and efficient way to control the brightness and color of LED arrays in their backlighting and display applications. It features low-ripple current control, low-ripple voltage control, and low-ripple load current, as well as a temperature compensation function, making it perfect for a variety of applications.

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