LTC3525 - 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect; Package: SC70; Pins: 6; Temperature Range: -40°C to 85°C

LTC3406B - 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C

Switching Controller, Current-mode, 5A, 620kHz Switching Freq-Max, PQCC38
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

Dual Switching Controller, Current-mode, 3A, 590kHz Switching Freq-Max, CMOS, PQCC32

Switched Capacitor Regulator, 0.65A, 2000kHz Switching Freq-Max, PDSO10
Adjustable Positive LDO Regulator, 0.4V Min, 2.6V Max, 0.25V Dropout, CMOS, PDSO10