Switching Controller, Voltage-mode, 5A, 750kHz Switching Freq-Max, BICMOS, PDSO28

LTC1875 - 15µA Quiescent Current 1.5A Monolithic Synchronous Step-Down Regulator; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C

Switching Controller, Current-mode, 1A, 650kHz Switching Freq-Max, CMOS, PDSO16
LTC1872B - Constant Frequency Current Mode Step-Up DC/DC Controller in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

Switching Regulator, Current-mode, 1.5A, 605kHz Switching Freq-Max, CMOS, PDSO8

LTC1878 - High Efficiency Monolithic Synchronous Step-Down Regulator; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C