The PT6883A from Texas Instruments is a non-isolated point-of-load DC-DC converter module with 1 output at 5 V and 5 A, accepting a 15 V to 36 V input.
The PT6883C from Texas Instruments is a non-isolated point-of-load DC-DC converter module with 1 output at 5 V and 5 A, accepting a 15 V to 36 V input.