MP1484 PDF Datenblatt
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Beschreibung
This is 340KHz Synchronous Rectified Step-Down Converter.
MP1484
3A, 23V, 340KH- Synchronous Rectified Step-Down Converter
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE INTERNAL USE ONLY
The Future of Analog IC Technology
DESCRIPTION
The MP1484 is a monolithic synchronous buck regulator. The device integrates top and bottom 85mΩ MOSFETS that provide 3A of continuous load current over a wide operating input voltage of 4.75V to 23V. Current mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on and in shutdown mode, the supply current drops below 1 A. The MP1484 is PIN compatible to the MP1482 2A, 23V, Synchronous Step-Down Converter.
FEATURES
3A Continuous Output Current Wide 4.75V to 23V Operating Input Range Integrated 85mΩ Power MOSFET Switches Output Adjustable from 0.925V to 20V Up to 95% Efficiency Programmable Soft-Start Stable with Low ESR Ceramic Output Capacitors Fixed 340KH- Frequency Cycle-by-Cyc.