LTC3783 - PWM LED Driver and Boost, Flyback and SEPIC Converter; Package: DFN; Pins: 16; Temperature Range: -40°C to 85°C
LTC3418 - 8A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C

Sync Step Down DC-DC Conv, 0.8A, 2.5-5.5V In, 0.6-5.5V Out, 6-Pin TSOT-23

LTC3404 - 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C

Dual Switching Controller, Current-mode, 3A, 590kHz Switching Freq-Max, CMOS, PDSO28

LTC3412A - 3A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 16; Temperature Range: -40°C to 85°C