MP28275EL-LF-Z

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Introduction to MP28275EL-LF-Z
The MP28275EL-LF-Z is a Switching Regulator from the DC-DC Voltage Regulators family. Specifically, it’s an embedded power supply from the MP28275EL power IC series. It is built on the patented Multi-Phase Externally-Coupled Buck architecture which allows the regulator to obtain highest performances with the lowest complexity and cost for a given current limit (1.5 Amps).Application Field
The MP28275EL-LF-Z is designed for a wide range of applications since it can operate in a variety of conditions. Its embedded features and low system cost makes it suitable for low power applications that require efficient energy management.
It is mainly used in automotive, industrial, communications and wireless applications such as voltage regulation in data centers, DC-DC converters, and PoE (Power over Ethernet).Working Principle
The MP28275EL-LF-Z is built on a patented, externally-coupled, N-phase-N-level buck regulator architecture with digital power management featuring Synchronous Rectification (SR) and state-of-the-art compensation, modulation, and RDS(ON) selection for optimum loop response and performance.The regulator operates in an all-digital, Pulse-Width Modulation (PWM) mode. The PWM control output is the result of a user-defined Vout second-order Pole-Zero Compensator acting on the switching frequency loop and voltage level loop of the regulator.The Voltage-Regulator (VR) elements and all the circuit sub-blocks of the regulator like LDO, SR, E/A, etc. are optimized to achieve the desired performance results.Conclusion
In conclusion, the MP28275EL-LF-Z is a versatile and cost effective Switching Regulator from the DC-DC Voltage Regulators family with excellent performance for a wide range of applications. It is built on the patented Multi-Phase Externally-Coupled Buck architecture and is operated in a PWM mode with all-digital control. The Vout, compensation, modulation and RDS selection sub-blocks are optimized to achieve the desired performance.

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