AL3050FDC-7 Integrated Circuits (ICs)

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AL3050FDC-7 is a power management integrated circuit (PMIC) from Alpha, which is specifically designed as a high efficiency, high power factor, constant current source for driving LEDs. It offers multiple features and is suitable for a variety of applications.

The AL3050FDC-7 is a 3-channel, buck-boost converter with a sophisticated control system for driving high current LEDs and providing a wide range of output current adjustment. It has a wide input voltage range of 4.5V to 32V and provides efficient, constant-current output from 4 to 1000mA and up to 24W of power. The device is capable of supporting parallel and series LED configurations, as well as others, such as shift registers and multi-sequential LED arrays.

The AL3050FDC-7 has two main operating modes, PWM and clockeneration, which can be used to drive the LED load in a variety of ways. In PWM mode, the device operates in a pulse-width modulation (PWM) scheme, in which the output current is controlled by adjusting the pulse width of the output switching signal. In clockeneration mode, the output current is regulated by the frequency of the output switching signal. This allows for a more stable output current, allowing for better LED performance.

The AL3050FDC-7 also features dynamic current limit, which prevents it from overloading and burning out the LED or other circuitry. In addition, the device includes over voltage protection, under voltage lockout and input over current protection, as well as over temperature protection.

The device is packaged in an 8-pin SOIC package and is ideal for general purpose LED applications, such as TVs, clusters, panels, bar sets and point-of-sale displays. Being an integrated control solution for driving LEDs, the AL3050FDC-7 offers increased system efficiency and eliminates the need for multiple components such as linear regulators, MOSFETs, and resistors.

In summary, the AL3050FDC-7 is a highly efficient and robust power management integrated circuit designed as a constant current source for driving LEDs. With its wide input voltage range, multiple features, and small footprint, it is a perfect solution for general purpose LED applications such as TVs, clusters, panels, bar sets and point-of-sale displays.

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