MP4569GN-Z Switching Regulator 75V 0.3A Sync Step Down Converter

DESCRIPTION The MP4569 is a step-down switching regulator with integrated high-side/low-side, high-voltage power MOSFETs. It provides a highly efficient output of up to 0.3A. The wide 4.5V to 75V input range accommodates a variety of step-down applications in automotive environment. A 3.5μA shutdown mode quiescent current is good for battery-powered applications. It allows for high power conversion efficiency over a wide load range by scaling down the switching frequency under light-load condition to reduce the switching and gate driver losses. The switching frequency during start-up and short circuit also can be scaled down to prevent inductor current runaway. Thermal shutdown provides reliable, fault-tolerant operation. The MP4569 is available in QFN-10 (3mmx3mm) and SOIC-8 EP packages

2.FEATURES • 20μA Quiescent Current (Active mode) • Wide 4.5V to 75V Operating Input Range • 1.2Ω/0.45Ω Internal Power MOSFETs • Programmable Soft-Start • FB-Tolerance: 1% at Room Temperature; 2% at Full Temperature. • Adjustable Output • 1V Reference Voltage Output for QFN Package • Low Shutdown Mode Current: 3.5μA • Available in QFN-10 (3mmx3mm) and SOIC-8 EP Packages
APPLICATIONS • Automotive Systems • Industrial Power Systems • Distributed Power Systems • Battery Powered Systems

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