NCV78763DQ0AR2G

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NCV78763DQ0AR2G LED driver is a buck LED driver from ON Semiconductor that is a fixed frequency, current-mode PWM controller. The device has an adjustable operating frequency and current protection. It is capable of operating from a wide input voltage range and offers output current regulation over a wide range of input voltage transients. NCV78763DQ0AR2G LED driver also features an Adaptive Maximum Peak Current (AMPC) Loop that ensures constant light output power and a soft start current limit feature that prevents inrush current problems.

NCV78763DQ0AR2G LED driver is a PMIC - LED drivers, specifically designed for driving LED strings. It typically works in two stages. In the first stage, the device senses the input power and regulates the current flow to the LEDs through its internal power switch. During this stage current is adjusted until it is within a specified range as per the input voltage. In the second stage, the device increases the current further up to a certain level depending on the environmental conditions, such as temperature and humidity. Output voltage is then regulated by the voltage reference.

From the application point of view, NCV78763DQ0AR2G LED driver can be used for a variety of lighting applications, including general illumination, backlighting, and automotive lighting. In automotive lighting applications, the device can be used for daytime running lights, signal lights, rear view mirrors, and dashboards. In addition, it can be used in automotive headlight systems and tail lights.

The working principle of NCV78763DQ0AR2G LED drivers involves a combination of constant current regulation, adaptive peak current regulation, and constant voltage regulation. It uses a feedback loop to regulate the LED current to ensure consistent lighting. The device also features over-current protection and thermal protection. Thermal protection prevents the LED drivers from over heating and prolongs their life time.

NCV78763DQ0AR2G LED driver also features a wide range of protection features, making them suitable for a wide range of applications. It incorporates a short-circuit protection, open- and short-circuit protections, over-current protection, over-temperature protection, and an over-voltage reset protection. The device also features a soft-start feature to protect the LED driver when it is first powered on. Furthermore, it offers low standby current consumption and improved EMI performance.

In conclusion, NCV78763DQ0AR2G LED driver is a PMIC - LED Drivers specifically designed for driving LED strings. It combines constant current regulation, adaptive peak current regulation, and constant voltage regulation in a feedback loop to ensure consistent lighting. The device also features a wide range of protection features and is suitable for a wide range of applications. It offers low standby current consumption, improved EMI performance and thermal protection.

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