LM2852YMXA-1.3

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LM2852YMXA-1.3 is a DC/DC switching voltage regulator which is categorized in the PMIC (Power Management Integrated Circuit) family of Components. It is a three-phase synchronous buck (step-down) converter initially designed to provide up to 3.3V output voltage for high-speed both-side-cooled servers, data center storage equipment, and related applications.The LM2852YMXA-1.3 comes with a wide input voltage range from 8V to 20V and is capable of delivering 3A output current. Additionally, it features a hysteretic current limit and various protections, such as short-circuit protection, under-voltage lockout, over-voltage protection, and thermal shutdown.

The LM2852YMXA-1.3 is built on ST Microelectronics’ Nitride-Oxide-Silicon (NOS) process, this has given it a compact footprint, high-efficiency, and low-noise operation, as well as its wide operational temperature range. This DC/DC regulator consists of power conversion, gate drive, current sense, high-speed OVP (output voltage protection) and thermal shutdown blocks. This DC/DC regulator belongs to the ‘Understanding Technology of High Efficiency Voltage Regulator Modules (VRMs)’ family, which provides the best combination of power conversion and efficient performance.

The efficiency of the LM2852YMXA-1.3 is high and its noise is low due to its synchronous buck topology. It is able to deliver a wide range of output current. The LM2852YMXA-1.3 exhibits an excellent transient response, which helps to filter out high-frequency signals and helps to minimize noise interference. This DC/DC regulator also features a current-mode control circuit which offers improved load regulation and reduced output voltage ripple.

The LM2852YMXA-1.3 offers designers a wide range of features and flexibility. It is capable of providing high-efficiency and low noise operation because of its synchronous buck topology, and its 3-phase synchronous buck topology makes it suitable for high-current applications. It also provides protection from over-voltage and under-voltage and incorporates a hysteretic current limit circuit. Plus, its wide input voltage range, temperature range and its low component count makes it suitable for various applications.

In terms of its application field, the LM2852YMXA-1.3 is suitable for a wide range of consumer, communications and industrial applications, including but not limited to point of load (PoL) converters, voltage regulators and server applications. It is also suitable for many green energy applications owing to its high efficiency and low component count.

The working principle of the LM2852YMXA-1.3 is based on the following components: three phases of high-frequency synchronous buck converters, a driver, current sense, high-speed OVP, and thermal shutdown blocks. The three-phase synchronous buck converters are connected to the output voltage rail, and are driven by the driver when commanded to switch. The gates of the switches are also controlled by a control signal which adjusts the duty cycle of the output voltage. The current sense block monitors the current in order to protect the converter from overloads. The high-speed OVP block makes sure that the output voltage does not overshoot, and the thermal shutdown block is responsible for thermal protection.

To sum up, the LM2852YMXA-1.3 is an excellent DC/DC switching voltage regulator which is found in the PMIC family of components and falls under the category of DC DC Switching Regulators. It is capable of delivering up to 3A output current and features a hysteretic current limit and various protections. It features a synchronous buck topology which provides high-efficiency and low-noise operation, and its 3-phase synchronous buck topology makes it suitable for high-current applications. It has a wide range of applications and is suitable for various consumer, communications and industrial applications, as well as green energy applications. The working principle of the LM2852YMXA-1.3 is based on the three-phase synchronous buck Converter, driver, current sense, high-speed OVP, and thermal shutdown blocks.

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