AL5809-20S1-7 Integrated Circuits (ICs)

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AL5809-20S1-7 is an LED driver which belongs to the highly efficient, cost-effective and feature-rich PMIC (Power Management IC) family. It is mainly used for driving LEDs in a variety of applications. It can provide up to 20V operating voltage and 200mA load current. It is suitable for powering LED lamps and bulbs and driving LED signs.

AL5809-20S1-7 Application Field

The AL5809-20S1-7 LED driver is most commonly used for automotive lighting and LED displays. It is also suitable for lighting applications such as household lighting, outdoor lighting, and industrial lighting. The device has many advantages over conventional LED drivers, including its small size and wide operating voltage range. In addition, its low power consumption and low noise operation make it ideal for applications where cost efficiencies are sought.

AL5809-20S1-7 Working Principle

The AL5809-20S1-7 LED driver implements a constant-current output modulation technique. This technique keeps the outputcurrent in the optoelectronic system within a specified range by varying the input voltage. This technique also reduces power consumption, as the current level is lowered when the voltage is increased, and the reverse happens when the voltage is decreased. In addition, the voltage across the load is also kept within a safe range to protect the LED device.

The LED driver features various protection features such as short-circuit protection, over-voltage protection and over-temperature protection. These features ensure that the LED device does not malfunction or get damaged due to excessive current or temperature. The device also has a thermal shutdown feature, which cuts off the output current in case the temperature reaches beyond its specified limit. The device also recognizes negative power transitions, which helps it to stay off during power-down cycles.

Overall, the AL5809-20S1-7 LED driver is a highly efficient, cost-effective and feature-rich PMIC. It is suitable for powering LED lamps, lighting applications and also driving LED signs. Its wide operating voltage range, low power consumption and high reliability make it an ideal choice for many applications.

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