ALT80600KESJSR

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ALT80600KESJSR (hereinafter referred to as ALT) is a power management integrated circuit developed by American Advanced Linear Technologies. It is specifically designed to drive LEDs in various applications. ALT is a DC power management integrated circuit (PMIC) with an extended setback current setting range from 400mA to 10.5A, as well as a wide input voltage range from 4V to 80V. Its high-accuracy and wide-range current regulation make it an ideal choice for driving LEDs for automotive, industrial and consumer applications.

Automotive applications for ALT include interior lighting and exterior lighting for car, truck and off-road vehicles. It is specifically designed for LED applications in brake lights, turn indicators and other exterior lights. With its wide input voltage range, ALT can be used as a primary power supply or a replacement to bipolar regulators/toggle mode controllers/buck converters in automotive applications.

For industrial applications, ALT is suitable for driving LEDs in various commercial and industrial lighting fixtures. It is capable of driving multiple LEDs in series/parallel at constant, regulated levels while maintaining the dimming range and efficiency of the fixture. With its high lighting efficiency, ALT can provide energy efficiency without sacrificing light output, therefore reducing operating costs. Moreover, with its high load regulation, ALT ensures uniformity of LED light output and avoids the "closed loop" effect caused by inconsistent lighting levels.

The use of ALT for driving LEDs in consumer applications is becoming increasingly popular. It can be used in backlight applications for televisions and monitors. With its adjustable regulator output voltage, ALT can provide smooth regulated dimming to LCD panels. ALT also offers a static power-saving and power-saving dimming mode, which can help reduce power consumption and extend battery life in portable devices such as smartphones, tablets and laptops. In addition, the integrated temperature protection circuitry can protect LEDs from temperature-induced damages and extend the lifespan of the device.

The working principle of ALT is simple and easy to understand. When the input voltage is applied, the built-in regulator adjusts the adjust pin to the low impedance mode. Then, the adjust pin adjusts the resistor node, providing a constant output current, as well as a wide dimming range. Finally, the output voltage is adjusted for LEDs, providing the desired level of illumination. ALT also offers an over-current protection and a thermal protection feature, further enhancing device safety.

In conclusion, ALT is an ideal choice for driving LEDs in various applications. Its wide input voltage and high-accuracy current control make it the perfect solution for automotive, industrial and consumer applications. Moreover, its simple working principle makes it easy to understand and use. With its easy design, ALT is sure to be widely adopted in the coming years.

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