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

Switching Regulator, Current-mode, 2.1A, 1500kHz Switching Freq-Max, PDSO12

LTC3406B - 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C
LTC3405A - 1.5MHz, 300mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
LTC3404 - 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C

LINEAR TECHNOLOGY LTC3490ES8#PBF Led Driver, 1 Output, Boost (Step Up), 1V-3.2V in, 1.3MHz switch, 4.7V/350mA out, SOIC-8