LM3502ITL-16/NOPB

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LED lighting is a popular choice for a wide variety of applications due to its energy efficiency and long lifespan. An LED driver is the key to achieving a reliable, consistent, and efficient LED lighting system. LM3502ITL-16/NOPB is an application field and working principle of PMIC – LED Drivers. It is a high performance, low-cost, and high control solution with high efficiency and power factor correction.

This device is a constant current/voltage, step-down/up driver that is optimized for driving LEDs with linear or PWM dimming control. It can be used to drive LEDs of different colors with different current levels. The device can directly drive low voltage LEDs and maintain high efficiency up to 85%. It provides up to 0.1% accuracy on the constant current level, which makes it suitable for driving multiple LEDs with different colors in an efficient manner.

The application field of LM3502ITL-16/NOPB is for powering LEDs in backlighting applications, such as in laptop screens and liquid crystal displays. It can be used to drive many types of LEDs, including white, blue, green, and red LEDs. It has a switching frequency of up to 1.6 MHz, which allows the device to reduce system cost by using smaller inductors and capacitors.

The working principle of LM3502ITL-16/NOPB is based on a Buck-Boost conversion architecture. The device uses a combination of inductors, MOSFETs and capacitors in order to step-down or step-up a voltage supply to drive the LED string. It has a wide input voltage range of up to 60 V and can output up to 5 V. It can also be configured for a constant current source or a constant voltage source. With a built-in thermal shutdown feature, the device can protect itself from over-temperature conditions.

The device also features integrated over-voltage, under-voltage, over-current, and reverse current protection for better reliability and long-term operation. The device has a high efficiency, up to 85%, across the entire load range to reduce the power expense in the system. It also provides short circuit protection that prevents damage caused by accidental short-circuits. Additionally, LM3502ITL-16/NOPB has a low quiescent current that helps save power in stand-by or no-load conditions.

Overall, LM3502ITL-16/NOPB is an efficient and cost-effective application field and working principle of PMIC – LED Drivers. It offers improved performance and reliability for LED lighting applications, and it is well suited for use in any space-constrained environment. With its high-efficiency power factor correction, integrated over-voltage, under-voltage, over-current, and reverse current protection, it is a great choice for LED lighting applications.

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