MP3397EF-LF

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MP3397EF-LF is a new-generation PMIC - LED Drivers which is featured with high-performance, fast switching, and rich scalability. It is suitable for demanding LED back-lighting applications and is specifically designed for dimming multiple channels of LEDs. The device is well suited for LED lighting systems in mobile products and audiovisual applications such as LCD display back-lighting, LED indicator lights, LED backlighting control, and home automation.

MP3397EF-LF features a high-efficiency, high-speed PWM converter. With its patented single-wire interface design, the device allows fast and easy integration into existing system designs. It also features a wide range of voltage input, current output, and onboard compensation. This makes it ideal for a variety of applications such as LCD displays and OLEDs. Furthermore, it supports dimming from 0~100% with a wide range of light colours.

MP3397EF-LF provides excellent thermal performance to ensure the highest efficiency possible for its applications. It is built with a 40 kHz switching frequency and a relatively small inductor size, which significantly reduces EMI (electromagnetic interference) and enhances system reliability. Moreover, its protection circuit can effectively protect the system from short circuit and overload conditions.

The working principle of MP3397EF-LF is based on Buck-Boost technology, which regulates the output voltage by adjusting the input current. The output voltage is then applied to the LEDs, which is regulated according to the brightness selected by the end user. The change of input current is controlled by the PWM signal, which is adjusted to convert the input power into the required output voltage.

MP3397EF-LF provides several advantages in terms of system efficiency and reliability. With its high efficiency and fast switching speed, it can drive multiple channels of LEDs while minimizing power consumption. Moreover, its wide input voltage range and low power consumption allows it to run safely in harsh environmental conditions and helps to reduce energy consumption in the long run. Its single-wire interface design also makes it an ideal choice for LED lighting applications.

In conclusion, MP3397EF-LF is a highly efficient and reliable PMIC - LED Drivers that can provide excellent performance in LED backlighting applications. It is characterized by high-efficiency, fast switching, and rich scalability, allowing it to be easily integrated into existing systems. Moreover, its working principle is based on Buck-Boost technology, which offers high efficiency and a wide range of voltage input, current output, and onboard compensation. Furthermore, it supports dimming from 0~100% with a wide range of light colours to meet the needs of any application.

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