MP38894 4.5A, 42V, 420kHz Step-Down Converter 4.5A, 42V, 420kHz Step-Down Converter
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/mps/MP38894.jpg?ext=.jpg&maxsidesize=400
The MP38894 is a monolithic step-down switch mode converter with a built in internal power MOSFET.
MP38894
MP38894
Monolithic Power Systems (MPS)
https://www.epsglobal.com/getmetafile/5919b031-ff1d-4f79-8c75-d15d466e323a/Monolithic Power Systems (MPS)