LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Package: DFN; Pins: 8; Temperature Range: 0°C to 70°C
LT1676 - Wide Input Range, High Efficiency, Step-Down Switching Regulator; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

LT1676 - Wide Input Range, High Efficiency, Step-Down Switching Regulator; Package: PDIP; Pins: 8; Temperature Range: -40°C to 85°C