MAX1561ETA+T

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The MAX1561ETA+T is a state-of-the-art, integrated field effect transistor (FET) and transformer-based, off-line high-power, boost current regulator. It is part of the MAX1561 family of ICs, which are classified as PMIC - LED Drivers.

The MAX1561ETA+T combines a cascaded Buck-Boost topology with a highly efficient FET-based current regulator to provide nominal input voltage regulation, improved system power factor and tight regulation of the output current. It operates at high switching frequencies, allowing for smaller lightning elements and higher power density for a given output current.

The device features an on-board FET with tight tolerance on the current ratings, minimising part count and increasing system reliability. This FET can be switched on and off using either a slow-switched or fast-switched pulse-width modulation (PWM) scheme. The FET can also be used to regulate the output voltage, to provide both the boost and buck characteristics of the device.

The MAX1561ETA+T includes a flyback transformer to help shape and control the current flow, providing high efficiency and improved regulation of the current. This transformer is connected to the output, to ensure efficient power transfer. The transformer also provides isolation between the input and output, minimising EMI noise, and helps protect the system from any transient voltage spikes.

The MAX1561ETA+T can operate in a range of operating conditions, including continuous conduction mode (CCM), discontinuous conduction mode (DCM), and voltage and current mode. Additionally, the device has a variety of external pins and protection features that enable it to be used with a variety of power levels and applications. These include over-voltage, over-temperature, over-current and under-voltage protection.

The MAX1561ETA+T is ideal for a variety of LED application fields, ranging from LED lighting, LED billboards, LED decorative lighting, and LED automotive and motorcycle lighting. It can also be used for LED displays, LED signs, LED floodlighting, and many other applications.

Overall, the MAX1561ETA+T is an ideal choice for high-power applications requiring tight and reliable control of current in both boost and buck applications, while maintaining high efficiency and power factor. Its FET-based current regulation and flyback transformer ensure high efficiency and reliable performance. The device’s protection features further ensure maximum safety and enhanced system performance and reliability.

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