MAX16930BAGLS/VY+

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The MAX16930BAGLS/VY+ is a universal input, multi-topology, fully integrated power-factor corrected DC-DC controller IC. It requires minimal external components, and features an onboard 4-switch synchronous buck topology for step-down (buck) conversion. This IC is appropriate for a wide range of SB-LED lighting applications such as small panel display or decorative lighting.

The current-mode synchronous-buck topology is one of the most popular topologies used in DC-DC converters. It works through a process of voltage stepping-down, where a larger input voltage is converted into a lower voltage at the output. This is achieved by utilizing two transistors—a high-side and a low-side—to form a complete switch (H-bridge configuration) that is capable of regulating a clock signal with a given frequency. The switching frequency of the synchronous-buck topology is typically in the range of 1MHz to 4MHz. The current-mode operation of the MAX16930BAGLS/VY+ makes it highly efficient and it is designed to provide excellent load and line regulation, even at very low load currents.

The main benefits of using the MAX16930BAGLS/VY+ for DC-DC conversion are its high efficiency and small form factor. The IC has an integrated 6-channel LED driver circuit which supports up to 30mA per channel and is capable of driving up to 26 LEDs (depending on the application). Additionally, it features a pre-programmed 150kHz, 200kHz, and 400kHz switching frequency, making it suitable for low power LED lighting applications. The onboard PFC circuitry provides a constant voltage output, even in the presence of varying line, load, and temperature changes.

The MAX16930BAGLS/VY+ is a versatile and cost-effective solution for a variety of DC-DC conversion and LED lighting applications. Its wide range of features, such as adjustable current-mode operations and the integrated 6-channel LED driver circuit, make it an ideal choice for designers looking to develop high power and efficient DC-DC converters. Additionally, its compact size makes it suitable for implementation in space-constrained applications.

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