AL8820SP-13 Integrated Circuits (ICs)

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The AL8820SP-13 is a highly efficient PMIC - LED Driver designed to drive backlight applications. It offers configurable brightness level switching and voltage step-down capabilities. It is designed to meet the most demanding performance requirements of the LED backlight market.

The AL8820SP-13 supports LED currents up to 2.5 Amps, and has a wide input voltage of 3.2-34 V. It can control up to 8 channels at 4A of LED current, with an adjustable source current of 10-50mA. This allows for single and multiple light-emitting diode (LED) applications in mobile phones, PDAs and other mobile devices.

It contains a synchronous rectification technique that utilizes a built-in low RDS (on) MOSFET, yielding high conversion efficiency and a low power dissipation. This enables it to provide excellent brightness levels with minimal input power consumption. The AL8820SP-13 also offers high accuracy current regulation, over-voltage protection, open LED protection and short-circuit protection.

The working principle of the AL8820SP-13 is as follows: It has an internal step-down switching converter that operates at a fixed frequency of up to 2MHz. It regulates current through the LEDs by comparing the voltage across the precision resistor with the internal reference. The current is then adjusted accordingly, resulting in high accuracy current regulation.

The AL8820SP-13 has multiple applications in the field of LED backlights. It is used in a wide range of products such as mobile phones, PDAs, LCD monitors, tablet PCs, e-readers, toys, watches and other consumer electronics. The high efficiency and low power consumption make it ideal for mobile applications. It is also ideal for powering multiple LEDs in series, in energy efficient applications.

In summary, the AL8820SP-13 is a PMIC - LED driver designed to meet the most demanding performance requirements of the LED backlight market. It is ideal for powering multiple LEDs and has configurable brightness level switching and voltage step down capabilities. It features high efficiency, low power dissipation and protection features such as over voltage protection, open LED protection and short-circuit protection. It has a wide range of applications in the field of LED backlighting.

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