MP3387LGRT-Z Integrated Circuits (ICs)

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MP3387LGRT-Z is an LED driver from Monolith Power Systems, a leading provider of power management integrated circuits for LED illumination and other applications. It is designed to offer a simple, cost-effective solution for LED drivers in a wide range of products from the most basic single string LEDs to complex multi-string applications. The MP3387LGRT-Z is a high-efficiency, low-noise, low-ripple, high-current LED driver, with an optimized high efficiency mode.

The MP3387LGRT-Z is a highly integrated LED driver, with a wide range of features, such as an adjustable boost/buck topology, PWM dimming with dimming range up to 20kHz and an over-current limit. It also has an adjustable soft on/off ramp, over-voltage protection, an adjustable current regulation, over-temperature protection, and an adjustable shutdown delay.

The MP3387LGRT-Z is designed to be used in a variety of applications, such as automotive exterior lighting, industrial, commercial, architectural and residential applications. It can also be used in any application where high efficiency and low noise are required.

The working principle of the MP3387LGRT-Z is based on a Boost/Buck topology. In this topology, the system is driven by a step-up switching controller IC, which controls the whole system from start-up to shutdown. At the same time, a synchronous rectifier IC is used to provide high efficiency.

The MP3387LGRT-Z has two separate DC/DC converter channels, one is used for the Boost mode and the other is used for the Buck mode. During the buck mode, the synchronous rectifier is turned off and the PWM dimming control is used to adjust the LED current. In the boost mode, the LEDs are powered by a DC voltage, which is then regulated and dimmed with the PWM control.

The MP3387LGRT-Z also has the ability to detect an over-temperature condition and provide an adjustable shutdown delay. This feature is useful for applications where an over-temperature situation may arise and the system-level controller needs to be able to shut down the LED driver in time before any damage occurs.

In addition to the MP3387LGRT-Z, Monolith Power Systems also offers a wide range of LED drivers, such as the MP3389GTR-Z and MP3385LGRT-Z, for different applications. Each of these LED drivers has its own unique features and benefits, making them ideal for different LED lighting applications.

The MP3387LGRT-Z is a highly efficient, low noise, low ripple, high-current LED driver, which is suitable for a wide range of applications. Its adjustable boost/buck topology, PWM dimming, and adjustable soft on/off ramp make it the ideal choice for any application where high efficiency and low noise are required.

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