LT8640/LT8640-1 42V, 5A Synchronous Step-Down Sil.
LT8640-1 - 5A Synchronous Step-Down Silent Switcher
LT8640S - 6A Synchronous Step-Down Silent Switcher
LT8640 - 5A Synchronous Step-Down Silent Switcher
LT8640S - 6A Synchronous Step-Down Silent Switcher-2