SUS62412BP

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DC DC converters allow for the conversion of direct current (DC) from one voltage level to another. DC DC converters are essential components in nearly all electronic systems, as they facilitate the reliable transfer and regulation of power between different voltage levels. The SUS62412BP is a synchronous buck DC DC step-down converter, with integrated power FETs, operating over a wide input voltage range. This versatile converter is ideal for space-constrained applications, as it features a compact QFN package and differential current sensing.

Features

The SUS62412BP is designed to meet the highest engineering standards and deliver an efficient, reliable solution. It features a high switching frequency (1 MHz), low component count, a wide input voltage range (3.6V to 36V) and output voltages of 1.5V to 20V. The internal 0.5A high-side power N-FET and 5A low-side power N-FET are capable of providing up to 12 W of output power, making it the ideal choice for high-power applications. Other features include a 4.5A peak load current limit, programmable soft-start, over-temperature and over-voltage protection, and adjustable switching frequency. This versatile device is also equipped with differential sensing and current sharing capabilities, enabling stable and accurate current control across multiple modules.

Application Field and Working Principle

Due to its robust features and wide operating parameters, the SUS62412BP DC-DC converter can be used in a variety of applications. It is ideal for high-power industrial, automotive, converters for automotive, mining, military, power supplies or wireless communications applications. Its wide input voltage range makes it particularly suitable for applications in harsh environments, where input voltage can vary significantly.

The SUS62412BP converter follows the basic topology of a buck converter, which is a type of switching converter that steps down the input voltage to a programmable output. It works by regulating an inductor current to make sure that the output voltage is regulated properly. The input voltage is fed to an inductor, which is in turn connected to a power transistor. The transistor switches between a high-side and low-side connection to regulate the current in the inductor. A control circuit then monitors the output voltage and adjusts the input voltage to maintain the output voltage regulation.

The internal components of the SUS62412BP are capable of providing a fast (1MHz) and accurate voltage regulation. It is designed to meet a wide range of EMI, stability and accuracy standards. The feedback topology allows the SUS62412BP to provide a clean and low-noise DC output. Moreover, its current sensing capabilities allow for precise current limits, protecting the device and the system from overloading or short-circuiting.

Benefits

The SUS62412BP DC-DC converter offers several key advantages over traditional solutions. Its small size and wide input voltage range make it suitable for a variety of applications, including automotive, mining, and military applications. Its fast switching frequency and high current handling capabilities reduce component size and simplify overall system design. The internal current sensing allows for precise current control and protection when operating at higher power levels. Furthermore, its wide range of adjustable operating parameters make it easy to customize a solution to fit nearly any application.

The SUS62412BP DC-DC converter is a highly versatile component that has the necessary features to meet the needs of a wide variety of applications. Its compact size, wide input voltage range, high switching frequency, fast current sensing, and adjustable operating parameters all make it an ideal candidate for high power applications.

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