MAX1846EUB+T

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The MAX1846EUB+T is a progressive DC-DC switching controller with integrated 4-switch synchronous buck regulator from Maxim Integrated. It is part of the company\'s family of PMIC - Voltage Regulators - DC DC Switching Controllers. Ideal for networking and communications applications, this device is designed to provide energy-efficient power management for applications requiring a high-precision output. 

The MAX1846EUB+T is designed to provide extremely flexible and efficient power conversion and regulation over a wide range of operating conditions. The device features a full buck-converter power topology, with synchronous rectification and a low-side gate driver to maximize efficiency. It also includes a current-mode control loop with hysteretic control and dual input voltages, for easy integration into a variety of systems. 

The key feature of the MAX1846EUB+T is its high-efficiency power conversion and integration of a 4-switch synchronous buck regulator with integrated gate-drivers. This can significantly reduce the external component count and the overall size of the power system. The device also provides continuous over-current protection (OCP) to ensure the system is operating safely at all times. Additionally, the device features a low-noise switching frequency foldback feature to minimize audible noise. 

Another key feature of the MAX1846EUB+T is its integrated switching frequency selector. This feature allows the system designer to choose a desired switching frequency, from 65 to 570KHz, allowing the system to be optimized to meet the power and performance needs of the application. The device also features a digital phase-locked loop (DPLL) to maintain synchronization between switching cycles and minimize switching glitches and noise. 

The MAX1846EUB+T is ideal for a wide range of power management applications, including networking and communications systems, industrial automation, renewable energy and automotive systems. The device provides an efficient, low-cost solution for low-power applications, as well as high-power applications up to 20A. It also provides fast transient response and small output voltage ripple, and is tested to ensure successful start-up, even at high and low temperatures.

The device is available in a 4mm x 4mm, 20-pin TQFN package and supports a -40℃ to +125℃ temperature range. It is designed to meet stringent safety and compliance requirements, including over-voltage protection of up to 23V and short-circuit protection. The MAX1846EUB+T also features a programmable power-good indicator, allowing system designers to Monitor the system’s power-up sequencing.

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