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

LTC3729 - 550kHz, PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulator

LTC3200 - Low Noise, Regulated Charge Pump DC/DC Converters; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C
IC 0.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8, 2 X 3 MM, PLASTIC, DFN-8, Switching Regulator or Controller